Mercurial > hg > map
diff multithreshold 1.46/nextStimulus.m @ 38:c2204b18f4a2 tip
End nov big change
| author | Ray Meddis <rmeddis@essex.ac.uk> |
|---|---|
| date | Mon, 28 Nov 2011 13:34:28 +0000 |
| parents | 3ea506487b3b |
| children |
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--- a/multithreshold 1.46/nextStimulus.m Thu Oct 06 15:43:20 2011 +0100 +++ b/multithreshold 1.46/nextStimulus.m Mon Nov 28 13:34:28 2011 +0000 @@ -2,7 +2,7 @@ % Handles everything concerned with the stimulus presentation % called from startNewRun in subjGUI -global experiment stimulusParameters withinRuns +global experiment stimulusParameters withinRuns betweenRuns experiment.status='presentingStimulus'; errormsg=''; @@ -234,16 +234,133 @@ case {'training','absThreshold', 'absThreshold_8', ... 'TENtest', 'threshold_duration','discomfort',... 'overShoot','overShootB','overShootMB1', ... - 'overShootMB2', 'OHIO','OHIOabs','OHIOspect'} + 'overShootMB2', 'OHIO','OHIOabs','OHIOspect'... + 'OHIOrand', 'OHIOtemp', 'OHIOspectemp'} cueTargetLevel=targetLevel+cueTestDifference; case {'forwardMasking','forwardMaskingD','trainingIFMC', ... - 'TMC','TMC_16ms', 'TMC - ELP', 'IFMC','IFMC_8ms', 'FMreProbe'} + 'TMC','TMC_16ms', 'TMC - ELP', 'IFMC','IFMC_8ms', ... + 'FMreProbe'} % cue masker is weaker to make target more audible cueMaskerLevel=maskerLevel-cueTestDifference; end end +% thresholds (in dB SPL) of the single tone with 12 frequencies: +% 1 2 3 4 5 6 7 8 9 10 11 12 +% 494, 663, 870, 1125, 1442, 1838, 2338, 2957, 3725, 4689, 5866, 7334 + +% 2. ‘OHIOtemp’ is for measuring thresholds for temporally integrated +% combinations of 2, 4, 8, and 12 tones presented simultaneously. +% In our experiment, we used 4680Hz frequency. + +% 3. ‘OHIOspec’ is for measuring thresholds for spectrally integrated +% combinations of 2(7335 and 5866Hz), 4(7334, 5866, 4680, and 3725Hz), +% 8(7334, 5866, 4680, 3725, 2957, 2338, 1838, and +% 1442Hz), and +% 12(all 12 frequencies) tones presented simultaneously. + +% 4. ‘OHIOspectemp’ is for measuring thresholds for patterned signals +% differing in both the spectral and temporal domains. +% The frequency conditions are the same as that of ‘OHIOspec’. + +% 5. ‘OHIOrand’ is for measuring thresholds for spectrotemporally varying +% signals with random frequency presentation. + +switch experiment.paradigm(1:3) + case 'OHI' + targetType='OHIO'; + OHIOtype=experiment.paradigm; + % 1. ‘OHIOabs’ paradigm is a baseline procedure for measuring absolute + + nTones=betweenRuns.var1Sequence(betweenRuns.runNumber); + allFreqs=[494, 663, 870, 1125, 1442, 1838, 2338, 2957, 3725, 4689, 5866, 7334]; + toneLevelBoost= ... + [1 0 0 1 1 4 8 12 12 14 17 19 ]; + + + % for nTones=nTonesList + switch experiment.paradigm + % case ' OHIOabs' + % % one tone frequency at a time + % stim.frequencies=allFreqs(1); + % stim.amplitudesdB=0; + + case 'OHIOrand' + % chose nTones frequencies at random + x=rand(1,12); + [sorted idx]=sort(x); + cueTargetFrequency=allFreqs(idx(1:nTones)); + cueTargetLevel=toneLevelBoost(idx)+... + targetLevel + cueTestDifference; + targetFrequency=allFreqs(idx(1:nTones)); + targetLevel=targetLevel + toneLevelBoost(idx); + + case 'OHIOtemp' + % 4680 Hz repeated nTones times + cueTargetFrequency=4680*ones(1,nTones); + cueTargetLevel=repmat(toneLevelBoost(10),1,nTones)+... + targetLevel + cueTestDifference; + targetFrequency=4680*ones(1,nTones); + targetLevel= targetLevel+repmat(toneLevelBoost(10),1,nTones); + + case {'OHIOspect', 'OHIOspectemp'} + % nTones frequencies either simulataneously or sequentially + switch nTones + case 2 + cueTargetFrequency=[7335 5866]; + targetFrequency=[7335 5866]; + idx=[12 11]; + cueTargetLevel=targetLevel + toneLevelBoost(idx)+cueTestDifference; + targetLevel=targetLevel + toneLevelBoost(idx); + case 4 + cueTargetFrequency=[7334, 5866, 4680, 3725]; + targetFrequency=[7334, 5866, 4680, 3725]; + idx=[12:-1:9 ]; + cueTargetLevel=targetLevel + toneLevelBoost(idx)+cueTestDifference; + targetLevel=targetLevel + toneLevelBoost(idx); + case 8 + cueTargetFrequency=... + [7334, 5866, 4680, 3725, 2957, 2338, 1838, 1442]; + targetFrequency=... + [7334, 5866, 4680, 3725, 2957, 2338, 1838, 1442]; + idx=[12:-1:5 ]; + cueTargetLevel=targetLevel + toneLevelBoost(idx)+cueTestDifference; + targetLevel=targetLevel + toneLevelBoost(idx); + case 12 + cueTargetFrequency=allFreqs; + targetFrequency=allFreqs; + cueTargetLevel=targetLevel + toneLevelBoost(1:12)+cueTestDifference; + targetLevel=targetLevel + toneLevelBoost(1:12); + end + end + + otherwise + OHIOtype='none'; +end + +switch experiment.paradigm(1:3) + case 'OHI' + + switch experiment.threshEstMethod + case {'2I2AFC++', '2I2AFC+++'} + % the cue stimulus (masker + probe) is the 'no' window + % the target stimulus (masker+probe) is the 'yes' window + % the order of presentation is decided at the last minute. + cueTargetLevel=-100; + end + + + switch experiment.paradigm + case {'OHIOabs', 'OHIOspect'} + OHIOtoneDuration=.02+stimulusParameters.stimulusDelay; + globalStimParams.overallDuration=OHIOtoneDuration; + otherwise + OHIOtoneDuration=nTones*0.02+stimulusParameters.stimulusDelay; + globalStimParams.overallDuration=OHIOtoneDuration; + end +end + % ----------------------------- catch trial if withinRuns.catchTrial targetLevel=-100; % no target @@ -370,8 +487,8 @@ return end + case 'gapDuration' % legacy programming - case 'gapDuration' if gapDuration<0 errormsg=['gapDuration (' num2str(gapDuration) ... ') is less than zero ***']; @@ -497,6 +614,20 @@ globalStimParams.nSignalPoints=... round(globalStimParams.overallDuration*globalStimParams.FS); +% special case +switch experiment.paradigm(1:3) + case 'OHI' + switch experiment.paradigm + case {'OHIOabs', 'OHIOspect'} + OHIOtoneDuration=.02+stimulusParameters.stimulusDelay; + globalStimParams.overallDuration=OHIOtoneDuration; + otherwise + OHIOtoneDuration=nTones*0.02+stimulusParameters.stimulusDelay; + globalStimParams.overallDuration=OHIOtoneDuration; + end +end + + % ----------------------------------------------cue stimulus % cue masker componentNo=1; @@ -527,6 +658,7 @@ componentNo=2; precedingSilence=precedingSilence + maskerDuration+cueGapDuration; stimComponents(targetEar,componentNo).type=targetType; +stimComponents(targetEar,componentNo).OHIOtype=OHIOtype; stimComponents(targetEar,componentNo).toneDuration=targetDuration; stimComponents(targetEar,componentNo).frequencies=cueTargetFrequency; stimComponents(targetEar,componentNo).amplitudesdB=cueTargetLevel; @@ -605,6 +737,7 @@ componentNo=2; targetDelay=precedingSilence+ maskerDuration+ gapDuration; stimComponents(targetEar,componentNo).type=targetType; +stimComponents(targetEar,componentNo).OHIOtype=OHIOtype; stimComponents(targetEar,componentNo).toneDuration=targetDuration; stimComponents(targetEar,componentNo).frequencies=targetFrequency; stimComponents(targetEar,componentNo).amplitudesdB=targetLevel; @@ -661,8 +794,14 @@ % case 'SRT' % set(handles.editdigitInput,'visible','off') otherwise - stimulusParameters.testTargetBegins=targetDelay; - stimulusParameters.testTargetEnds=targetDelay+targetDuration; + switch experiment.paradigm(1:3) + case 'OHI' + stimulusParameters.testTargetBegins=0; + stimulusParameters.testTargetEnds=OHIOtoneDuration; + otherwise + stimulusParameters.testTargetBegins=targetDelay; + stimulusParameters.testTargetEnds=targetDelay+targetDuration; + end end % ------------------------------------------------------------- play!