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root / multithreshold 1.46 / paradigms / reserve team / paradigm_OHIOabs.m @ 0:f233164f4c86
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function paradigm_OHIOabs(handles) |
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global stimulusParameters experiment betweenRuns |
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paradigm_training(handles) % default |
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% find the threshold for a tonecomplex consisting of a sequence of 10-ms tones |
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% whose frequencies are chosen at random from a list (OHIOfrequencies) |
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% All tones are presented at the same level (SL) computed using absolute |
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% threshols specified in OHIOthresholds; |
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% The duration of the complex is increased across runs and the number of tones is |
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% controlled by OHIOdurations, (for each 20 ms a further tone is added. |
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% The frequency of the tones is changed on each trial |
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experiment.OHIOfrequencies=[494, 663, 870, 1125, 1442, 1838, 2338, 2957, 3725, 4680, 5866, 7334]; %Hz. |
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% User must specify abs thresholds (dB SPL) of each tone frequency |
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% experiment.OHIOthresholds= [18 16 16 19 20 22 24 26 27 30 32 35]; |
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% assessment method |
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% {'oneIntervalUpDown', 'MaxLikelihood', '2I2AFC++', '2I2AFC+++'}
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experiment.threshEstMethod='oneIntervalUpDown'; |
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% {'cued', 'noCue'};
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stimulusParameters.WRVname='targetLevel'; |
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stimulusParameters.WRVstartValues=20 ; |
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stimulusParameters.WRVsteps=[10 2]; |
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stimulusParameters.WRVlimits=[-30 110]; |
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betweenRuns.variableName1='numOHIOtones'; |
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betweenRuns.variableList1= 1:12; % i.e. the frequency to be used |
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betweenRuns.variableName2='stimulusDelay'; |
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betweenRuns.variableList2=0.05; |
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betweenRuns.randomizeSequence=2; % not random sequence |
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stimulusParameters.targetType='OHIO'; |
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stimulusParameters.targetPhase='sin'; |
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stimulusParameters.targetFrequency=experiment.OHIOfrequencies; |
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stimulusParameters.targetDuration=0.01; % overruled by OHIO program |
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stimulusParameters.targetLevel=stimulusParameters.WRVstartValues(1); |
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stimulusParameters.rampDuration=0.005; |
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% instructions to user |
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% single interval up/down no cue |
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stimulusParameters.instructions{1}= [{'YES if you hear the tone clearly'}, { }, { 'NO if not (or you are uncertain'}];
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% single interval up/down with cue |
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stimulusParameters.instructions{2}= [{'count the tones you hear clearly'}, { }, { 'ignore indistinct tones'}];
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