-
Notifications
You must be signed in to change notification settings - Fork 6
/
Copy pathexp_fearcloud_stereotype.m
1134 lines (1078 loc) · 50.7 KB
/
exp_fearcloud_stereotype.m
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
function [p]=exp_fearcloud_stereotype(subject,counterbal)
%
% Used for 'revision' (SO LK) of fearcloud_eyelab (MSc LK), based on the FearAmy code.
% Not scannerproof, minimal logging.
%
debug = 1;%debug mode
%set some formerly needed inputs to an arbitrary value, so we don't have to
%change it all in SetParams
phase = 1;
csp = 1;
%replace parallel port function with a dummy function
if ismac
% outp = @(x,y) fprintf('[%i %i]\n',x,y);
end
if nargin ~= 2
fprintf('Wrong number of inputs\n');
keyboard;
end
csn = mod( csp + 8/2-1, 8)+1;
commandwindow;
%clear everything
clear mex global functions
if ~ismac
cgshut;
global cogent;
end
%%%%%%%%%%%load the GETSECS mex files so call them at least once
GetSecs;
WaitSecs(0.001);
%
el = [];
p = [];
SetParams;
SetPTB;
%
%init all the variables
t = [];
nTrial = 0;
%%
%Time Storage
TimeEndStim = [];
TimeStartShock = [];
TimeTrackerOff = [];
TimeCrossOn = [];
p.var.event_count = 0;
%%
% InitEyeLink;
WaitSecs(2);
KbQueueStop(p.ptb.device);
KbQueueRelease(p.ptb.device);
%save again the parameter file
save(p.path.path_param,'p');
if phase == 1
%
p.var.ExpPhase = phase;%set this after the calibration;
ShowInstruction(0,1)
order = [3 1 4 2 3 1 4 2; 3 2 4 1 3 2 4 1];
for cond = order(counterbal,:)
AskDetectionSelectable(cond);
end
ShowInstruction(14,0,10);
end
%get the eyelink file back to this computer
% StopEyelink(p.path.edf);
%trim the log file and save
p.out.log = p.out.log(sum(isnan(p.out.log),2) ~= size(p.out.log,2),:);
%shift the time so that the first timestamp is equal to zero
p.out.log(:,1) = p.out.log(:,1) - p.out.log(1);
p.out.log = p.out.log;%copy it to the output variable.
save(p.path.path_param,'p');
%
%move the file to its final location.
movefile(p.path.subject,p.path.finalsubject);
%close everything down
cleanup;
function AskDetectionSelectable(cond)
%asks subjects to select the face that was associated with a shocks
positions = circshift(1:8,[1 PsychRandSample(1:8,[1 1])]);%position of the marker
p.var.ExpPhase = 4;
ShowInstruction(cond,1);
%%
increment([p.keys.increase p.keys.decrease]) = [1 -1];%key to increment mapping
%%
ok = 1;
ii = Shuffle(1:8);
p.stim.circle_file_id = p.stim.circle_file_id(ii);
p.stim.circle_order = p.stim.circle_order(ii);
while ok
DrawCircle;
Screen('FrameOval', p.ptb.w, [1 1 0], p.stim.circle_rect(positions(1),:), 2);%draw the marker circle somewhere random initially.
Screen('Flip',p.ptb.w);
[~, keyCode, ~] = KbStrokeWait(p.ptb.device);%observe key presses
keyCode = find(keyCode);
if length(keyCode) == 1%this loop avoids crashes to accidential presses of meta keys
if (keyCode == p.keys.increase) || (keyCode == p.keys.decrease)
positions = circshift(positions,[0 increment(keyCode)]);
elseif keyCode == p.keys.confirm
WaitSecs(0.1);
ok = 0;
end
end
end
%%
Screen('FillRect', p.ptb.w , p.stim.bg, p.ptb.imrect );
Screen('Flip',p.ptb.w);
p.out.selectedface = [p.out.selectedface p.stim.circle_order(positions(1))];
p.out.cond = [p.out.cond cond];
fprintf('Subject chose face... %g \n',p.out.selectedface(end));
end
function DrawCircle
for npos = 1:p.stim.tFace
Screen('DrawTexture', p.ptb.w, p.ptb.stim_sprites_cut(p.stim.circle_file_id(npos)),[],p.stim.circle_rect(npos,:));
Screen('DrawText', p.ptb.w, sprintf('%i_%i_%i',p.stim.circle_order(npos),p.stim.circle_file_id(npos),npos),mean(p.stim.circle_rect(npos,[1 3])) ,mean(p.stim.circle_rect(npos,[2 4])));
end
end
function [myrect]=angle2rect(A)
radius = 430;
factor = 3.1;%1.9;%factor resize the images
[x y] = pol2cart(A./180*pi,radius);%randomly shift the circle
left = x+p.ptb.midpoint(1)-p.stim.width/2/factor;
top = y+p.ptb.midpoint(2)-p.stim.height/2/factor;
right = left+p.stim.width/factor;
bottom = top+p.stim.height/factor;
myrect = [left top right bottom];
end
function AskDetection
%
p.var.ExpPhase = 3;
ShowInstruction(801,1);
%% show a fixation cross
fix = [p.ptb.CrossPosition_x p.ptb.CrossPosition_y(1)];%show the fixation cross at the lip position to ease the subsequent drift correction.
FixCross = [fix(1)-1,fix(2)-p.ptb.fc_size,fix(1)+1,fix(2)+p.ptb.fc_size;fix(1)-p.ptb.fc_size,fix(2)-1,fix(1)+p.ptb.fc_size,fix(2)+1];
Screen('FillRect', p.ptb.w , p.stim.bg, p.ptb.imrect ); %always create a gray background
Screen('FillRect', p.ptb.w, [255,255,255], FixCross');%draw the prestimus cross atop
Screen('DrawingFinished',p.ptb.w,0);
Screen('Flip',p.ptb.w);
StartEyelinkRecording(1,0,p.var.ExpPhase,0,0,0,fix,0);
WaitSecs(1.5);
%%
DrawCircle;
%Stimulus onset
Screen('Flip',p.ptb.w);
Eyelink('Message', 'Stim Onset');
Eyelink('Message', 'SYNCTIME');
%%
WaitSecs(30);
Screen('Flip',p.ptb.w);
Eyelink('Message', 'Stim Offset');
Eyelink('Message', 'BLANK_SCREEN');
StopEyelinkRecording;
end
function ConfirmIntensity
%Compute the intensity we want to deliver to the subject.
p.var.ShockIntensity = p.out.PainThreshold*p.out.ShockFactor;
%
ShowInstruction(9,1);
%
fprintf([repmat('=',1,50) '\n']);
fprintf('TEST SHOCK:\n');
fprintf('!!! ADJUST THE SHOCK INTENSITY ON THE DIGITIMER !!!\n');
fprintf(' The intensity is now: %g mA\n',p.var.ShockIntensity);
fprintf(' Experimenter: Press any key to deliver a shock.\n');
fprintf([repmat('=',1,50) '\n']);
%
[secs, keyCode, deltaSecs] = KbStrokeWait(p.ptb.device);
ShowInstruction(10,0,1+rand(1));%shock is coming message...
t = GetSecs + p.duration.shock;
while GetSecs < t;
Buzz;
end
%
message = 'Bewege den "Zeiger" mit der rechten und linken Pfeiltaste\n und bestätige deine Einschätzung mit der mit der oberen Pfeiltaste.';
rect = [p.ptb.width*0.2 p.ptb.midpoint(2) p.ptb.width*0.6 100];
response = RatingSlider(rect,2,1,p.keys.increase,p.keys.decrease,p.keys.confirm,{ 'nicht\nerträglich' 'erträglich'},message,0);
if response == 2
fprintf('All is fine :)\n');
fprintf('Subject confirmed the shock intensity inside the scanner...\n');
fprintf('INTENSITY TO BE USED FOR THE MAIN EXPERIMENT: %g mA\n',p.var.ShockIntensity);
p.out.ShockIntensity = p.var.ShockIntensity;
return;
elseif response == 1
fprintf('Shit... :(, %g is too much for the subject\n',p.var.ShockIntensity);
fprintf('We will try a little milder intensity.\n');
p.out.ShockFactor = p.out.ShockFactor - 0.05;
ConfirmIntensity;
end
end
function PresentStimuli
%Enter the presentation loop and wait for the first pulse to
%arrive.
%wait for the dummy scans
[secs] = WaitPulse(p.keys.pulse,p.mrt.dummy_scan);%will log it
KbQueueStop(p.ptb.device);
WaitSecs(.05);
KbQueueCreate(p.ptb.device);
KbQueueStart(p.ptb.device);
%log the pulse timings.
mblock_jumps = logical([1 diff(p.presentation.mblock)]);
TimeEndStim = secs(end)- p.ptb.slack;%take the first valid pulse as the end of the last stimulus.
for nTrial = 1:p.presentation.tTrial;
%Get the variables that Trial function needs.
stim_id = p.presentation.stim_id(nTrial);
fix_y = p.presentation.CrossPosition(nTrial);
ISI = p.presentation.isi(nTrial);
ucs = p.presentation.ucs(nTrial);
oddball = p.presentation.oddball(nTrial);
prestimdur = p.duration.prestim+rand(1)*.25;
dist = p.presentation.dist(nTrial);
mblock_jump = mblock_jumps(nTrial);
block_id = p.presentation.mblock(nTrial);
%prestimdur = p_presentation_prestim_dur(nTrial);
%
OnsetTime = TimeEndStim + ISI-p.duration.stim - p.ptb.slack;
fprintf('%d of %d, S: %d, ISI: %d, UCS: %d, ODD: %d, OnsetTime: %05.8gs, ',nTrial,p.presentation.tTrial,stim_id,ISI,ucs,oddball, OnsetTime);
%Start with the trial, here is time-wise sensitive must be
%optimal
[TimeEndStim] = Trial(nTrial,OnsetTime, prestimdur, stim_id , ucs , fix_y, oddball,dist,mblock_jump,block_id);
%(nTrial,TimeStimOnset , prestimdur, stim_id , ucs , fix_i, oddball, dist )
fprintf('OffsetTime: %05.8gs, Difference of %05.8gs\n',TimeEndStim,TimeEndStim-OnsetTime-p.duration.stim);
%
%dump it
[keycode, secs] = KbQueueDump;%this contains both the pulses and keypresses.
%log everything but "pulse keys" as pulses, not as keypresses.
pulses = (keycode == p.keys.pulse);
if any(~pulses);%log keys presses if only there is one
Log(secs(~pulses),7,keycode(~pulses));
end
if any(pulses);%log pulses if only there is one
Log(secs(pulses),0,keycode(pulses));
end
%now we have to detect if the subject has pressed the CONFIRM
%key while the ODDBALL stimulus was on the screen.
if any((keycode == p.keys.confirm) & (secs > OnsetTime) & (secs <= TimeEndStim))
p.out.response(nTrial) = 1;
fprintf('Subject Pressed the Hit Key!!\n');
end
end
%wait 6 seconds for the BOLD signal to come back to the baseline...
KbQueueStop(p.ptb.device);
KbQueueRelease(p.ptb.device);
if p.var.ExpPhase > 0
WaitPulse(p.keys.pulse,p.mrt.dummy_scan);%
fprintf('OK!! Stop the Scanner\n');
end
%dump the final events
[keycode, secs] = KbQueueDump;%this contains both the pulses and keypresses.
%log everything but "pulse keys" as pulses, not as keypresses.
pulses = (keycode == p.keys.pulse);
if any(~pulses);%log keys presses if only there is one
Log(secs(~pulses),7,keycode(~pulses));
end
if any(pulses);%log pulses if only there is one
Log(secs(pulses),0,keycode(pulses));
end
%stop the queue
KbQueueStop(p.ptb.device);
KbQueueRelease(p.ptb.device);
WaitSecs(10);
end
function [TimeEndStim]=Trial(nTrial,TimeStimOnset , prestimdur, stim_id , ucs , fix_i, oddball, dist,microblock_jump,mblock_id)
%get all the times
TimeCrossOnset = TimeStimOnset - prestimdur;
TimeCrossJump = TimeStimOnset + p.duration.stim/2;
TimeEndStim = TimeStimOnset + p.duration.stim- p.ptb.slack;
TimeStartShock = TimeStimOnset + p.duration.onset2shock;
TimeTrackerOff = TimeStimOnset + p.duration.keep_recording;
%% Fixation Onset
fix = [p.ptb.CrossPosition_x p.ptb.CrossPosition_y(fix_i)];
FixCross = [fix(1)-1,fix(2)-p.ptb.fc_size,fix(1)+1,fix(2)+p.ptb.fc_size;fix(1)-p.ptb.fc_size,fix(2)-1,fix(1)+p.ptb.fc_size,fix(2)+1];
Screen('FillRect', p.ptb.w , p.stim.bg, p.ptb.imrect ); %always create a gray background
Screen('FillRect', p.ptb.w, [255,255,255], FixCross');%draw the prestimus cross atop
Screen('DrawingFinished',p.ptb.w,0);
TimeCrossOn = Screen('Flip',p.ptb.w,TimeCrossOnset,0);
Log(TimeCrossOn,1,fix_i);%cross onset.
%turn the eye tracker on
StartEyelinkRecording(nTrial,stim_id,p.var.ExpPhase,dist,oddball,ucs,fix,mblock_id);
%% Draw the stimulus to the buffer
if ~stim_id==0
Screen('DrawTexture', p.ptb.w, p.ptb.stim_sprites(stim_id));
end
%draw also the fixation cross
Screen('FillRect', p.ptb.w, [255,255,255], FixCross');
Screen('DrawingFinished',p.ptb.w,0);
%% STIMULUS ONSET
TimeStimOnset = Screen('Flip',p.ptb.w,TimeStimOnset,0);%asap and dont clear
%send eyelink and ced a marker asap
Eyelink('Message', 'Stim Onset');
Eyelink('Message', 'SYNCTIME');
MarkCED( p.com.lpt.address, p.com.lpt.StimOnset );
if oddball
MarkCED( p.com.lpt.address, p.com.lpt.oddball );
end
if ucs
MarkCED(p.com.lpt.address, p.com.lpt.ucs);
end
if microblock_jump
MarkCED( p.com.lpt.address, p.com.lpt.mBlock );
Log(TimeStimOnset,9,mblock_id)
end
Log(TimeStimOnset,3,dist);%log the stimulus onset
%% CROSS JUMPS (same as before but with a different fix position)
if ~stim_id==0
Screen('DrawTexture', p.ptb.w, p.ptb.stim_sprites(stim_id));
end
fix = [p.ptb.CrossPosition_x p.ptb.CrossPosition_y(setdiff(1:2,fix_i))];%take the other position
%draw also the fixation cross
FixCross = [fix(1)-1,fix(2)-p.ptb.fc_size,fix(1)+1,fix(2)+p.ptb.fc_size;fix(1)-p.ptb.fc_size,fix(2)-1,fix(1)+p.ptb.fc_size,fix(2)+1];
Screen('FillRect', p.ptb.w, [255,255,255], FixCross');
Screen('DrawingFinished',p.ptb.w,0);
TimeCrossJump = Screen('Flip',p.ptb.w,TimeCrossJump,0);%asap and dont clear
Log(TimeCrossJump,4,0);%log the stimulus onset
%%
if ucs == 1
%%%%%%%%%%%%%%%%%%%%%%%
%Deliver shock and stim off immediately
TimeStartShock = WaitSecs('UntilTime',TimeStartShock);
Eyelink('Message', 'UCS Onset');
while GetSecs < TimeEndStim;
Buzz;%this is anyway sent to CED.
end
end
%% STIM OFF immediately
TimeEndStim = Screen('Flip',p.ptb.w,TimeEndStim,0);
%send eyelink and ced a marker
Log(TimeEndStim,6,stim_id);%log the stimulus offset
%
%% record some more eye data after stimulus offset.
WaitSecs('UntilTime',TimeTrackerOff);
Eyelink('Message', 'Stim Offset');
Eyelink('Message', 'BLANK_SCREEN');
TimeTrackerOff = StopEyelinkRecording;
if oddball == 1
fprintf('This was an oddball trial!\n');
end
if ucs == 1
fprintf('This was a UCS trial!\n');
Log(TimeStartShock,5,NaN);%UCS delivery...This is done here to not waste time there
end
end
function SetParams
%mrt business
p.mrt.dummy_scan = 7;%this will wait until the 6th image is acquired.
p.mrt.LastScans = 5;%number of scans after the offset of the last stimulus
p.mrt.tr = 1;%in seconds.
%will count the number of events to be logged
p.var.event_count = 0;
%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% relative path to stim and experiments
%Path Business.
[~, hostname] = system('hostname');
p.hostname = deblank(hostname);
if strcmp(p.hostname,'triostim1')
p.path.baselocation = 'C:\USER\onat\Experiments\fearamy';
elseif strcmp(p.hostname,'etpc')
p.path.baselocation = 'C:\Users\onat\Documents\Experiments\';
elseif ismac
p.path.baselocation = '/Users/onat/Desktop/fearamy';
elseif ispc
p.path.baselocation = 'C:\Users\user\Documents\Experiments\FearCloud_Eyelab\stereotype\';
end
p.path.experiment = [p.path.baselocation filesep];
p.path.stim = [p.path.baselocation filesep 'stimuli' filesep];
p.path.stim24 = [p.path.stim '24bit' filesep];
p.path.stim_cut = [p.path.stim 'cut' filesep];
%
p.subID = sprintf('s%02d',subject);
timestamp = datestr(now,30);
p.path.subject = [p.path.experiment 'tmp' filesep p.subID '_' timestamp filesep ];
p.path.finalsubject = [p.path.experiment 'data' filesep p.subID '_' timestamp filesep ];
p.path.path_edf = [p.path.subject 'eye' filesep];
p.path.edf = sprintf([p.subID 'p%02d.edf' ],phase);
p.path.path_param = [p.path.subject 'stimulation' filesep 'data.mat'];
%create folder hierarchy
mkdir(p.path.subject);
mkdir([p.path.subject 'scr']);
mkdir([p.path.subject 'eye']);
mkdir([p.path.subject 'stimulation']);
mkdir([p.path.subject 'midlevel']);
%% %%%%%%%%%%%%%%%%%%%%%%%%%
%get stim files
[p.stim.files p.stim.label] = FileMatrix([p.path.stim '*.bmp']);
[p.stim.files_cut p.stim.label] = FileMatrix([p.path.stim_cut '*.bmp']);
p.stim.tFile = size(p.stim.files,1);%number of different files (including the UCS symbol)
p.stim.tFace = 8;%number of faces.
%
display([mat2str(p.stim.tFile) ' found in the destination.']);
%set the background gray according to the background of the stimuli
for i = 1:p.stim.tFace;
im = imread(p.stim.files(i,:));
bg(i) = im(1,1,1);
end
%is all the captured bg values the same?
if sum(diff(bg))==0;
%if so take it as the bg color
p.stim.bg = double([bg(1) bg(1) bg(1)]);
else
fprintf('background luminance was not successfully detected...\n')
keyboard;
end
%bg of the rating screen.
p.stim.bg_rating = p.stim.bg;
p.stim.white = [255 255 255];
%% font size and background gray level
p.text.fontname = 'Times New Roman';
p.text.fontsize = 18;%30;
p.text.fixsize = 60;
%rating business
p.rating.division = 10;%number of divisions for the rating slider
p.rating.repetition = 2;%how many times a given face has to be repeated...
%% get the actual stim size (assumes all the same)
info = imfinfo(p.stim.files(1,:));
p.stim.width = info.Width;
p.stim.height = info.Height;
%% keys to be used during the experiment
%1, 6 ==> Right
%2, 7 ==> Left
%3, 8 ==> Down
%4, 9 ==> Up (confirm)
%5 ==> Pulse from the scanner
p.keys.confirm = KbName('return');
p.keys.increase = KbName('left');
p.keys.decrease = KbName('right');
p.keys.pulse = KbName('5%');
p.keys.el_calib = KbName('v');
p.keys.el_valid = KbName('c');
if ismac
p.keys.escape = KbName('escape');
else
p.keys.escape = KbName('esc');
end
%% %%%%%%%%%%%%%%%%%%%%%%%%%
%Communication business
%parallel port
p.com.lpt.address = 888;
%codes for different events
p.com.lpt.digitimer = 12;%8
p.com.lpt.mBlock = 128;
p.com.lpt.StimOnset = 64;
p.com.lpt.oddball = 32;
p.com.lpt.ucs = 16;
%
%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%timing business
%these are the intervals of importance
%time2fixationcross->cross2onset->onset2shock->shock2offset
%these (duration.BLA) are average duration values:
p.duration.stim = 1.5;%2;%s
p.duration.shock = 0.1;%s;x
p.duration.shockpulse = 0.005;%ms; duration of each individual pulses
p.duration.intershockpulse = 0.01;%ms; and the time between each pulse
p.duration.onset2shock = p.duration.stim - p.duration.shock;
p.duration.crossmoves = p.duration.stim./2;
p.duration.keep_recording = 0.25;%this is the time we will keep recording (eye data) after stim offset.
p.duration.prestim = .85;
%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%stimulus sequence
if phase == 0
seq(subject,csp).cond_id = Shuffle([0 1 2 3 4 5 6 7 8 10]);
seq(subject,csp).tTrial = length(seq(subject,csp).cond_id);
seq(subject,csp).ucs = zeros(1,seq(subject,csp).tTrial);
seq(subject,csp).oddball = seq(subject,csp).cond_id == 10;
seq(subject,csp).isi = PsychRandSample([3 4.5],[1 seq(subject,csp).tTrial]);
seq(subject,csp).stim_id = seq(subject,csp).cond_id;
seq(subject,csp).stim_id(seq(subject,csp).cond_id == 10) = 9;
seq(subject,csp).dist = 1:10;
seq(subject,csp).CrossPosition = ones(1,seq(subject,csp).tTrial);
seq(subject,csp).mblock = ones(1,seq(subject,csp).tTrial);
elseif phase == 1
load([fileparts(which('exp_FearAmy.m')) '/bin/fearamy_seq.mat']);
end
%this will deal all the presentation sequence related information
p.presentation = seq(subject,csp);
clear seq
%% create the randomized design
p.stim.cs_plus = csp;%index of cs stimulus, this is the one paired to shock
p.stim.cs_neg = csn;
%Record which Phase are we going to run in this run.
p.stim.phase = phase;
p.out.rating = [];
p.out.log = zeros(1000000,4).*NaN;
p.out.response = zeros(p.presentation.tTrial,1);
p.out.ShockFactor = 2;
p.out.selectedface = [];
p.out.cond = [];
p.out.counterbal = counterbal;
%%
% p.out.PainThreshold = PainThreshold;
p.var.current_bg = p.stim.bg;%current background to be used.
%Save the stuff
save(p.path.path_param,'p');
%
function [FM labels] = FileMatrix(path)
%Takes a path with file extension associated to regexp (e.g.
%C:\blabl\bla\*.bmp) returns the file matrix
dummy = dir(path);
FM = [repmat([fileparts(path) filesep],length(dummy),1) vertcat(dummy(:).name)];
labels = {dummy(:).name};
end
end
function AskStimRating
p.var.ExpPhase = 5;
p.var.current_bg = p.stim.bg_rating;
%% create the order of presentation and balance the position of fixation cross
nseq = 0;
rating_seq = [];
pos1_seq = [];
idx = [];
face_order = 1:p.stim.tFace;
while nseq < p.rating.repetition
nseq = nseq + 1;
[dummy idx] = Shuffle( face_order );
rating_seq = [rating_seq dummy];
%this balances both directions
pos1_seq = [pos1_seq ones(1,p.stim.tFace)];%+1 to make [0 1] --> [1 2]
end
rating_seq = rating_seq(:);
pos1_seq = pos1_seq(:);
%%
message = GetText(11);
SliderTextL = GetText(13);
SliderTextR = GetText(12);
% set the background to different color
Screen('FillRect', p.ptb.w , p.var.current_bg );
Screen('Flip',p.ptb.w);
WaitSecs(2);
%
ShowInstruction(7,1);
rect = [p.ptb.width*0.2 p.ptb.midpoint(2) p.ptb.width*0.6 100];%for the rating slider
tRatend = length(rating_seq);
%save the rating sequence just for security
p.out.rating_seq = rating_seq;
p.out.pos1_seq = pos1_seq;
%run over all the pictures to be rated.
for nRatend = 1:tRatend;
%
%the variable that are used by Trial function
stim_id = rating_seq(nRatend);
fix_y = pos1_seq(nRatend);
%
next_stim_id = [];%this is a trick, otherwise a fixation cross appears right before the rating :(
next_pos1 = [];
%
%to send know the distance here, little dummy setup:
dummy = -135:45:180;
dist = dummy(stim_id);
% show the picture
%Trial(nTrial ,TimeStimOnset , prestimdur, stim_id , ucs , fix_i, oddball, dist,microblock_jump,mblock_id)
Trial(1000+nRatend,GetSecs+1,p.duration.prestim,stim_id,0,fix_y,0,dist,0,0);
% show the slider
rate(nRatend,1) = RatingSlider(rect, p.rating.division, Shuffle(1:p.rating.division,1), p.keys.increase, p.keys.decrease, p.keys.confirm, {SliderTextL{1} SliderTextR{1}},message,1);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%Verbose the rating of the subject
fprintf('============\nRating Results %d (%d/%d):\n', stim_id, nRatend, tRatend);
dummy = rating_seq(1:nRatend);%trials shown so far
for iii = 1:p.stim.tFace
r = round(mean(rate(dummy == iii)));
if isnan(r)
r = 0;
end
if iii == p.stim.cs_plus
fprintf('Stimulus %02d: * %s \n',iii,repmat('+',1,1+r));
else
fprintf('Stimulus %02d: %s \n',iii,repmat('+',1,1+r));
end
end
end
%sort the stim_ids and then sort the same the rates and make a
%matrix out of that to store
[~, i] = sort(rating_seq);
rate = reshape(rate(i),p.rating.repetition,p.stim.tFace)';
p.out.rating = rate;
save(p.path.path_param,'p');
Screen('FillRect',p.ptb.w,p.var.current_bg);
%
save(p.path.path_param,'p');
end
function [rating] = RatingSlider(rect,tSection,position,up,down,confirm,labels,message,numbersOn)
%
%Detect the bounding boxes of the labels.
for nlab = 1:2
[~ , ~, bb(nlab,:)]=DrawFormattedText(p.ptb.w,labels{nlab}, 'center', 'center', p.stim.white,[],[],[],2);
Screen('FillRect',p.ptb.w,p.var.current_bg);
end
bb = max(bb);
bb_size = bb(3)-bb(1);%vertical size of the bb.
%
DrawSkala;
ok = 1;
while ok == 1
[secs, keyCode, ~] = KbStrokeWait(p.ptb.device);
keyCode = find(keyCode);
Log(secs,7,keyCode);
if length(keyCode) == 1%this loop avoids crashes to accidential presses of meta keys
if (keyCode == up) || (keyCode == down)
next = position + increment(keyCode);
if next < (tSection+1) && next > 0
position = position + increment(keyCode);
end
DrawSkala;
elseif keyCode == confirm
WaitSecs(0.1);
ok = 0;
Screen('FillRect',p.ptb.w,p.var.current_bg);
t=Screen('Flip',p.ptb.w);
end
end
end
function DrawSkala
%rating = tSection - position + 1;
rating = position ;
increment([up down]) = [1 -1];%delta
tick_x = linspace(rect(1),rect(1)+rect(3),tSection+1);%tick positions
tick_size = rect(3)./tSection;
ss = tick_size/5*0.9;%slider size.
%
for tick = 1:length(tick_x)%draw ticks
Screen('DrawLine', p.ptb.w, [255 0 0], tick_x(tick), rect(2), tick_x(tick), rect(2)+rect(4) , 3);
if tick <= tSection && numbersOn
Screen('TextSize', p.ptb.w,p.text.fontsize);
DrawFormattedText(p.ptb.w, mat2str(tick) , tick_x(tick)+ss/2, rect(2)+rect(4), p.stim.white);
Screen('TextSize', p.ptb.w,p.text.fontsize);
end
if tick == 1
DrawFormattedText(p.ptb.w, labels{1},tick_x(tick)-bb_size*1.4,rect(2), p.stim.white);
elseif tick == tSection+1
DrawFormattedText(p.ptb.w, labels{2},tick_x(tick)+bb_size*0.4,rect(2), p.stim.white);
end
end
%slider coordinates
slider = [ tick_x(position)+tick_size*0.1 rect(2) tick_x(position)+tick_size*0.9 rect(2)+rect(4)];
%draw the slider
Screen('FillRect',p.ptb.w, p.stim.white, round(slider));
Screen('TextSize', p.ptb.w,p.text.fontsize);
DrawFormattedText(p.ptb.w,message, 'center', p.ptb.midpoint(2)*0.2, p.stim.white,[],[],[],2);
Screen('TextSize', p.ptb.w,p.text.fontsize);
t = Screen('Flip',p.ptb.w);
Log(t,-2,NaN);
end
end
function ShowInstruction(nInstruct,waitforkeypress,varargin)
%ShowInstruction(nInstruct,waitforkeypress)
%if waitforkeypress is 1, ==> subject presses a button to proceed
%if waitforkeypress is 0, ==> text is shown for VARARGIN seconds.
[text]= GetText(nInstruct);
ShowText(text);
if waitforkeypress %and blank the screen as soon as the key is pressed
KbStrokeWait(p.ptb.device);
else
WaitSecs(varargin{1});
end
Screen('FillRect',p.ptb.w,p.var.current_bg);
t = Screen('Flip',p.ptb.w);
function ShowText(text)
Screen('FillRect',p.ptb.w,p.var.current_bg);
DrawFormattedText(p.ptb.w, text, 'center', 'center',p.stim.white,[],[],[],2,[]);
t=Screen('Flip',p.ptb.w);
Log(t,-1,nInstruct);
%show the messages at the experimenter screen
fprintf('=========================================================\n');
fprintf('Text shown to the subject:\n');
fprintf(text);
fprintf('=========================================================\n');
end
end
function [text]=GetText(nInstruct)
if nInstruct == 0%intro
text = ['Thanks for participating in this short poll. \n\n' ...
'In the following few trials, you will see a circle of faces,\n' ...
'from which we ask you to choose one regarding a given question.\n\n' ...
'The questions differ from trial to trial, so read each instruction carefully!\n\n' ...
'Please confirm that you want to start by pressing ENTER.\n' ...
];
elseif nInstruct == 1%male
text = ['Which face do you think is the most MALE face? \n\n' ...
'Please use the left/right arrow key to move the marker to the face of your choice\n' ...
'and confirm with ENTER.\n' ...
];
elseif nInstruct == 2%male
text = ['Which face do you think is the most FEMALE face? \n\n' ...
'Please use the left/right arrow key to move the marker to the face of your choice\n' ...
'and confirm with ENTER.\n' ...
];
elseif nInstruct == 3%age-young
text = ['Which face do you think is the YOUNGEST face? \n\n' ...
'Please use the left/right arrow key to move the marker to the face of your choice\n' ...
'and confirm with ENTER.\n' ...
];
elseif nInstruct == 4%age-old
text = ['Which face do you think is the OLDEST face? \n\n' ...
'Please use the left/right arrow key to move the marker to the face of your choice\n' ...
'and confirm with ENTER.\n' ...
];
elseif nInstruct == 14
text = ['Thanks!\n'...
'Danke!'];
else
text = {''};
end
end
function SetPTB
%KbName('UnifyKeyNames');
%Sets the parameters related to the PTB toolbox. Including
%fontsizes, font names.
%Default parameters
Screen('Preference', 'SkipSyncTests', 1);
Screen('Preference', 'DefaultFontSize', p.text.fontsize);
Screen('Preference', 'DefaultFontName', p.text.fontname);
Screen('Preference', 'TextAntiAliasing',2);%enable textantialiasing high quality
Screen('Preference', 'VisualDebuglevel', 0);
Screen('Preference', 'SkipSyncTests', 1);
Screen('Preference', 'SuppressAllWarnings', 1);
%%Find the number of the screen to be opened
screens = Screen('Screens');
p.ptb.screenNumber = max(screens);%the maximum is the second monitor
%Make everything transparent for debugging purposes.
if debug
commandwindow;
PsychDebugWindowConfiguration;
end
%set the resolution correctly
res = Screen('resolution',p.ptb.screenNumber);
HideCursor(p.ptb.screenNumber);
%spit out the resolution
fprintf('Resolution of the screen is %dx%d...\n',res.width,res.height);
%Open a graphics window using PTB
[p.ptb.w p.ptb.rect] = Screen('OpenWindow', p.ptb.screenNumber, p.var.current_bg);
%Screen('BlendFunction', p.ptb.w, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
Screen('Flip',p.ptb.w);%make the bg
p.ptb.slack = Screen('GetFlipInterval',p.ptb.w)./2;
[p.ptb.width, p.ptb.height] = Screen('WindowSize', p.ptb.screenNumber);
%find the mid position on the screen.
p.ptb.midpoint = [ p.ptb.width./2 p.ptb.height./2];
%NOTE about RECT:
%RectLeft=1, RectTop=2, RectRight=3, RectBottom=4.
p.ptb.imrect = [ p.ptb.midpoint(1)-p.stim.width/2 p.ptb.midpoint(2)-p.stim.height/2 p.ptb.midpoint(1)-p.stim.width/2+p.stim.width p.ptb.midpoint(2)-p.stim.height/2+p.stim.height];
p.ptb.cross_shift = [180 -120]./2.5;%incremental upper and lower cross positions
p.ptb.CrossPosition_x = p.ptb.midpoint(1);%bb(1);%always the same
p.ptb.CrossPosition_y = p.ptb.midpoint(2)+p.ptb.cross_shift;%bb(1);%always the same
%cross position for the eyetracker screen.
p.ptb.CrossPositionET_x = [p.ptb.midpoint(1) p.ptb.midpoint(1)];
p.ptb.CrossPositionET_y = [p.ptb.midpoint(2)-p.ptb.cross_shift(2) p.ptb.midpoint(2)+p.ptb.cross_shift(2)];
p.ptb.fc_size = 10;
%
%%
%priorityLevel=MaxPriority(['GetSecs'],['KbCheck'],['KbWait'],['GetClicks']);
Priority(MaxPriority(p.ptb.w));
%this is necessary for the Eyelink calibration
%InitializePsychSound(0)
%sound('Open')
% Beeper(1000)
LoadPsychHID
%%%%%%%%%%%%%%%%%%%%%%%%%%%Prepare the keypress queue listening.
p.ptb.device = [];
%get all the required keys in a vector
p.ptb.keysOfInterest = [];for i = fields(p.keys)';p.ptb.keysOfInterest = [p.ptb.keysOfInterest p.keys.(i{1})];end
fprintf('Key listening will be restricted to %d\n',p.ptb.keysOfInterest)
RestrictKeysForKbCheck(p.ptb.keysOfInterest);
p.ptb.keysOfInterest=zeros(1,256);
p.ptb.keysOfInterest(p.keys.confirm) = 1;
%create a queue sensitive to only relevant keys.
% KbQueueCreate(p.ptb.device,p.ptb.keysOfInterest);%default device.
%%%%%%%%%%%%%%%%%%%%%%%%%%%
%prepare parallel port communication. This relies on cogent i
%think. We could do it with PTB as well.
% if ~ismac
% config_io;
% outp(p.com.lpt.address,0);
% if( cogent.io.status ~= 0 )
% error('inp/outp installation failed');
% end
% end
%
%CORRECT
%%%%%%%%%%%%%%%%%%%%%%%%%%%
%test whether CED receives the triggers correctly...
% k = 0;
% while ~(k == 25 | k == 86 );
% pause(0.1);
% outp(p.com.lpt.address,244);%244 means all but the UCS channel (so that we dont shock the subject during initialization).
% fprintf('!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n');
% fprintf('1/ Red cable has to be connected to the Cogent BOX\n');
% fprintf('!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n');
% fprintf('2/ D2 Connection not to forget on the LPT panel\n');
% fprintf('!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n');
% fprintf('3/ Switch the SCR cable\n');
% fprintf('!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n');
% fprintf('4/ Button box has to be on\n');
% fprintf('!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n');
% fprintf('5/ Did the trigger test work?\n!!!!!!You MUST observe 5 pulses on the PHYSIOCOMPUTER!!!!!\n\n\nPress c to send it again, v to continue...\n')
% [~, k] = KbStrokeWait(p.ptb.device);
% k = find(k);
% end
% fprintf('Continuing...\n');
%%%%%%%%%%%%%%%%%%%%%%%%%%%
%load the pictures to the memory.
p.ptb.stim_sprites = CreateStimSprites(p.stim.files);%
p.ptb.stim_sprites_cut = CreateStimSprites(p.stim.files_cut);%
%% take care of the circle presentation
%order of faces on the circle that will be shown at the end.
if phase ~= 0
keyboard
circle_order = Shuffle(unique(p.presentation.dist(p.presentation.dist < 500)));%
circle_order(end+1)=circle_order(1);
while any(abs(diff(circle_order)) < 50);%check that neighbors will not be neighbors in the next order.
circle_order = Shuffle(unique(p.presentation.dist(p.presentation.dist < 500)));
circle_order(end+1) = circle_order(1);%to be successful the check has to consider the circularity.
end
p.stim.circle_order = circle_order(1:end-1);%conditions in distances from CSP, 0 = CS+, randomized
p.stim.circle_angles = sort(p.stim.circle_order);%this is just angles with steps of 45
%transform the angles to rects
for nc = 1:p.stim.tFace
p.stim.circle_rect(nc,:) = angle2rect(p.stim.circle_angles(nc));
p.stim.circle_file_id(nc) = unique(p.presentation.stim_id(p.presentation.dist == p.stim.circle_order(nc)));%the file that corresponds to different conditions
end
%one to one mappings:
%now we have: circle_order ==> file_id
%circle_angles ==> circle_rect
end
%%
function [out]=CreateStimSprites(files)
%loads all the stims to video memory
for nStim = 1:p.stim.tFile
filename = files(nStim,:);
[im , ~, ~] = imread(filename);
out(nStim) = Screen('MakeTexture', p.ptb.w, im );
end
end
end
function [t]=StopEyelinkRecording
Eyelink('StopRecording');
t = GetSecs;
%this is the end of the trial scope.
WaitSecs(0.01);
Eyelink('Message', 'TRIAL_RESULT 0');
%
WaitSecs(0.01);
Eyelink('Command', 'set_idle_mode');
WaitSecs(0.01);
Eyelink('Command', 'clear_screen %d', 0);
Screen('Textsize', p.ptb.w,p.text.fontsize);
Log(t,8,NaN);
end
function [t]=StartEyelinkRecording(nTrial,nStim,phase,dist,oddball,ucs,fix,block_id)
t = [];
if isnan(dist)
dist=3000;
end
nStim = double(nStim);
Eyelink('Message', 'TRIALID: %04d, PHASE: %04d, FILE: %04d, DELTACSP: %04d, ODDBALL: %04d, UCS: %04d, FIXX: %04d, FIXY %04d, MBLOCK %04d', nTrial, phase, nStim, dist, double(oddball), double(ucs),fix(1),fix(2),block_id);
Eyelink('Message', 'FX Onset at %d %d',fix(1),fix(2));
% an integration message so that an image can be loaded as
% overlay background when performing Data Viewer analysis.
WaitSecs(0.01);
%return
if nStim~=0
Eyelink('Message', '!V IMGLOAD CENTER %s %d %d', p.stim.files(nStim,:), p.ptb.midpoint(1), p.ptb.midpoint(2));
end
% This supplies the title at the bottom of the eyetracker display
Eyelink('Command', 'record_status_message "Stim: %02d, Phase: %d"', nStim, phase);
%
%Put the tracker offline and draw the stimuli.
Eyelink('Command', 'set_idle_mode');
WaitSecs(0.01);
% clear tracker display and draw box at center
Eyelink('Command', 'clear_screen %d', 0);
%draw the image on the screen but also the two crosses
if (nStim <= 16 && nStim>0)
Eyelink('ImageTransfer',p.stim.files24(nStim,:),p.ptb.imrect(1),p.ptb.imrect(2),p.stim.width,p.stim.height,p.ptb.imrect(1),p.ptb.imrect(2),0);
end
Eyelink('Command', 'draw_cross %d %d 15',fix(1),fix(2));
Eyelink('Command', 'draw_cross %d %d 15',fix(1),fix(2)+diff(p.ptb.cross_shift));
%
%drift correction
%EyelinkDoDriftCorrection(el,crosspositionx,crosspositiony,0,0);
%start recording following mode transition and a short pause.
Eyelink('Command', 'set_idle_mode');
WaitSecs(0.01);
Eyelink('StartRecording');
t = GetSecs;
Log(t,2,NaN);
end
function [shuffled idx] = Shuffle(vector,N)
%takes first N from the SHUFFLED before outputting. This function
%could be used as a replacement for randsample
if nargin < 2;N = length(vector);end
[~, idx] = sort(rand([1 length(vector)]));
shuffled = vector(idx(1:N));
shuffled = shuffled(:);
end
function Buzz
outp(p.com.lpt.address, p.com.lpt.digitimer );
WaitSecs(p.duration.shockpulse);
outp(p.com.lpt.address, 0);
WaitSecs(p.duration.intershockpulse);
end
function MarkCED(socket,port)
%send pulse to SCR#
outp(socket,port);
WaitSecs(0.01);
outp(socket,0);
end
function InitEyeLink
%
if EyelinkInit(0)%use 0 to init normaly
fprintf('=================\nEyelink initialized correctly...\n')
else
fprintf('=================\nThere is problem in Eyelink initialization\n')
keyboard;
end
%
WaitSecs(0.5);
[~, vs] = Eyelink('GetTrackerVersion');
fprintf('=================\nRunning experiment on a ''%s'' tracker.\n', vs );
%load 24bits pictures for eyelink...
dummy = dir([p.path.stim24 '*.bmp']);
p.stim.files24 = [repmat([fileparts(p.path.stim24) filesep],length(dummy),1) vertcat(dummy(:).name)];
%
el = EyelinkInitDefaults(p.ptb.w);
%update the defaults of the eyelink tracker
el.backgroundcolour = p.stim.bg;
el.msgfontcolour = WhiteIndex(el.window);
el.imgtitlecolour = WhiteIndex(el.window);
el.targetbeep = 0;
el.calibrationtargetcolour = WhiteIndex(el.window);
el.calibrationtargetsize = 1.5;
el.calibrationtargetwidth = 0.5;
el.displayCalResults = 1;
el.eyeimgsize = 50;
el.waitformodereadytime = 25;%ms
el.msgfont = 'Times New Roman';
el.cal_target_beep = [0 0 0];%[1250 0.6 0.05];
%shut all sounds off
el.drift_correction_target_beep = [0 0 0];
el.calibration_failed_beep = [0 0 0];
el.calibration_success_beep = [0 0 0];
el.drift_correction_failed_beep = [0 0 0];
el.drift_correction_success_beep= [0 0 0];
EyelinkUpdateDefaults(el);
PsychEyelinkDispatchCallback(el);
% open file.
res = Eyelink('Openfile', p.path.edf);
%
Eyelink('command', 'add_file_preamble_text ''Recorded by EyelinkToolbox FearAmy Experiment (Selim Onat)''');
Eyelink('command', 'screen_pixel_coords = %ld %ld %ld %ld', 0, 0, p.ptb.width-1, p.ptb.height-1);
Eyelink('message', 'DISPLAY_COORDS %ld %ld %ld %ld', 0, 0, p.ptb.width-1, p.ptb.height-1);
% set calibration type.
Eyelink('command','auto_calibration_messages = YES');