Mercurial > hg > map
diff testPrograms/testLibermanMOC_DPOAE.m @ 38:c2204b18f4a2 tip
End nov big change
author | Ray Meddis <rmeddis@essex.ac.uk> |
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date | Mon, 28 Nov 2011 13:34:28 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/testPrograms/testLibermanMOC_DPOAE.m Mon Nov 28 13:34:28 2011 +0000 @@ -0,0 +1,189 @@ +function testLibermanMOC_DPOAE + +% compares MOC response to LIberman's 1996 data for DPOAE reduction with +% contralateral tone stimulation. +% This program is used mainly as a check on the time constants involved. +% +% NB very different time constants are required for 'spikes' and +% 'probability' + +% global dt ANdt savedBFlist saveAN_spikesOrProbability saveMAPparamsName... +% savedInputSignal OMEextEarPressure TMoutput OMEoutput ARattenuation ... +% DRNLoutput IHC_cilia_output IHCrestingCiliaCond IHCrestingV... +% IHCoutput ANprobRateOutput ANoutput savePavailable ANtauCas ... +% CNtauGk CNoutput ICoutput ICmembraneOutput ICfiberTypeRates ... +% MOCattenuation +global dt dtSpikes saveAN_spikesOrProbability ANprobRateOutput ICoutput + +global DRNLParams + +LibermanData=[ + 2 0.2; +2.1 0.19;2.2 0.18;2.3 0.18;2.4 0.16;2.5 0.15;2.6 0.15;2.7 0.15; +2.8 0.12;2.9 0.12;3 0.1;3.1 0.1;3.2 0.05;3.3 0.05;3.4 0;3.5 -0.1; +3.6 -0.4;3.7 -1.2;3.8 -1.6;3.9 -1.8;4 -1.85;4.1 -2;4.2 -2.05; +4.3 -2.05;4.4 -2.15;4.5 -2.2;4.6 -2.15;4.7 -2.1;4.8 -2.15;4.9 -2.2; +5 -2.1;5.1 -2.1;5.2 -2.25;5.3 -2.1;5.4 -2.15;5.5 -2.1;5.6 -2.15; +5.7 -2.1;5.8 -2.2;5.9 -2.05;6 -2.15;6.1 -2.05;6.2 -2;6.3 -2.2;6.4 -2.1; +6.5 -2.05;6.6 -2.05;6.7 -2.05;6.8 -2.2;6.9 -2.1;7 -2.05;7.1 -2.05;7.2 -0.7; +7.3 -0.1;7.4 0;7.5 0.1;7.6 0.2;7.7 0.35;7.8 0.2;7.9 0.15;8 0.2;8.1 0.15;8.2 0.15; +8.3 0.15;8.4 0.12;8.5 0.1;8.6 0.09;8.7 0.08;8.8 0.07;8.9 0.06;9 0.05; +]; + +% Backus2006Data: time bilateral contralateral ipsilateral +% all % max microPascals +Backus2006Data=[ + 100 20 15 10; + 200 36 24 14; + 300 44 30 18; + 400 46 32 20; + 500 48 34 22; + 1000 50 36 24; + 1500 52 37 25; + 2000 54 38 27 + ]; + +steadyMinimum=mean(LibermanData(LibermanData(:,1)>4 & LibermanData(:,1)<7,2)); + +restorePath=path; +addpath (['..' filesep 'MAP'], ['..' filesep 'wavFileStore'], ... + ['..' filesep 'utilities']) + +%% #1 parameter file name +MAPparamsName='Normal'; + + +%% #2 probability (fast) or spikes (slow) representation +AN_spikesOrProbability='spikes'; +% or +AN_spikesOrProbability='probability'; + + +%% #3 pure tone, harmonic sequence or speech file input +signalType= 'tones'; +sampleRate= 50000; +rampDuration=.005; % raised cosine ramp (seconds) +toneFrequency= 1000; % or a pure tone (Hz) +duration=3.6; % Lieberman test +beginSilence=1; % 1 for Lieberman +endSilence=1; % 1 for Lieberman + +%% #4 rms level +% signal details +leveldBSPL= 80; % dB SPL (80 for Lieberman) + + +%% #5 number of channels in the model + +numChannels=1; +BFlist=toneFrequency; + + +%% #6 change model parameters +paramChanges={}; + +%% delare 'showMap' options to control graphical output +showMapOptions.printModelParameters=1; % prints all parameters +showMapOptions.showModelOutput=1; % plot of all stages +showMapOptions.printFiringRates=1; % prints stage activity levels +showMapOptions.showACF=0; % shows SACF (probability only) +showMapOptions.showEfferent=1; % tracks of AR and MOC +showMapOptions.surfAN=1; % 2D plot of HSR response +showMapOptions.surfSpikes=0; % 2D plot of spikes histogram +showMapOptions.ICrates=0; % IC rates by CNtauGk + +%% Generate stimuli + + % Create pure tone stimulus + dt=1/sampleRate; % seconds + time=dt: dt: duration; + inputSignal=sum(sin(2*pi*toneFrequency'*time), 1); + amp=10^(leveldBSPL/20)*28e-6; % converts to Pascals (peak) + inputSignal=amp*inputSignal; + % apply ramps + % catch rampTime error + if rampDuration>0.5*duration, rampDuration=duration/2; end + rampTime=dt:dt:rampDuration; + ramp=[0.5*(1+cos(2*pi*rampTime/(2*rampDuration)+pi)) ... + ones(1,length(time)-length(rampTime))]; + inputSignal=inputSignal.*ramp; + ramp=fliplr(ramp); + inputSignal=inputSignal.*ramp; + % add silence + intialSilence= zeros(1,round(beginSilence/dt)); + finalSilence= zeros(1,round(endSilence/dt)); + inputSignal= [intialSilence inputSignal finalSilence]; + +%% run the model +tic +fprintf('\n') +disp(['Signal duration= ' num2str(length(inputSignal)/sampleRate)]) +disp([num2str(numChannels) ' channel model: ' AN_spikesOrProbability]) +disp('Computing ...') + +MAP1_14(inputSignal, sampleRate, BFlist, ... + MAPparamsName, AN_spikesOrProbability, paramChanges); + + +%% the model run is now complete. Now display the results +UTIL_showMAP(showMapOptions) + +if strcmp(signalType,'tones') + disp(['duration=' num2str(duration)]) + disp(['level=' num2str(leveldBSPL)]) + disp(['toneFrequency=' num2str(toneFrequency)]) + disp(['attenuation factor =' ... + num2str(DRNLParams.rateToAttenuationFactor, '%5.3f') ]) + disp(['attenuation factor (probability)=' ... + num2str(DRNLParams.rateToAttenuationFactorProb, '%5.3f') ]) + disp(AN_spikesOrProbability) +end +disp(paramChanges) + + + +%% superimpose Lieberman (1996) data + +global MOCattenuation +MOCdB=20*log10(MOCattenuation); +MOCtime=dt:dt:dt*length(MOCdB); + +% scale up DPOAE results to the running maximum MOC dB +steadyMOCminimum=mean(MOCdB(MOCtime>2 & MOCtime<4.5)); +scalar=steadyMOCminimum/steadyMinimum; + +figure(90), clf +plot(MOCtime,MOCdB), hold on +plot(LibermanData(:,1)-2.5,scalar*LibermanData(:,2),'r:','linewidth',4) +legend({'MAP', 'DPOAE'},'location', 'east') +title('Compare Liberman (1996) DPOAE data with MAP MOC') +xlabel('time (s)'), ylabel('MOC attenuation/ DPOAE reduction') +if strcmp(saveAN_spikesOrProbability,'probability') +text(0,2,['MOCtau= ' num2str(DRNLParams.MOCtauProb)]) +else +text(0,2,['MOCtau= ' num2str(DRNLParams.MOCtau)]) +end +set(gcf, 'name', 'Liberman compare') + +PSTHbinwidth=0.001; + +% show the source of the MOC activity +figure(89) +if strcmp(saveAN_spikesOrProbability,'probability') + % brainstem activity + PSTH=UTIL_PSTHmaker... + (ANprobRateOutput(2,:), dt, PSTHbinwidth)*dt/PSTHbinwidth; +else + % AN probability + PSTH=UTIL_PSTHmaker(ICoutput(2,:), dtSpikes, PSTHbinwidth)*dt/PSTHbinwidth; +end + +time=PSTHbinwidth:PSTHbinwidth:PSTHbinwidth*length(PSTH); +plot(time, PSTH) +set(gcf,'name', 'Lieberman') +title(saveAN_spikesOrProbability) + +toc +path(restorePath) + +% figure(88), plot(MOCattenuation)