MAP

function test_DRNL_Ruggero97

% test_DRNL_Ruggero97 attempts to match Ruggero's (1992 and 1997)

%  iso-intensity data by fiddling with the parameters

% # BF is the BF of the filter to be assessed

BF=9000;

% # test frequencies. check that BF is one of them

%    copy Ruggero's test tones as fara as possible

numFs=6; lowestF=4000; 	highestF= 11030;

toneFrequencyList=round(logspace(log10(lowestF), log10(highestF), numFs));

%  # parameter file name. this is the base set of parameters

MAPparamsName='Normal';

% # probability representation (not directly relevant here as only

%    the DRNL output is used

AN_spikesOrProbability='probability';

% # tone characteristics

sampleRate= 100000;

duration=0.0200;                % Ruggero uses 5, 10, 25 ms tones

rampDuration=0.0015;              % raised cosine ramp (seconds)

beginSilence=0.050;

endSilence=0.020;

% # levels

levels=[3 10:10:80];

%% # change model parameters

% Parameter changes can be used to change one or more model parameters

%  *after* the MAPparams file has been read

paramChanges={};

paramChanges={...

    'DRNLParams.ctBMdB = -20;'...

    'DRNLParams.g=1000;'...

    };

% delare 'showMap' options to control graphical output

% (not needed but might be useful

% showMapOptions.printModelParameters=0;   % prints all parameters

% showMapOptions.showModelOutput=1;       % plot of all stages

% showMapOptions.printFiringRates=0;      % prints stage activity levels

% showMapOptions.showACF=0;               % shows SACF (probability only)

% showMapOptions.showEfferent=0;          % tracks of AR and MOC

% showMapOptions.surfAN=0;       % 2D plot of HSR response

% showMapOptions.surfSpikes=0;            % 2D plot of spikes histogram

% showMapOptions.ICrates=0;               % IC rates by CNtauGk

% showMapOptions.fileName=[];

% run the program

global dt  DRNLoutput DRNLParams TMoutput

dbstop if error

restorePath=path;

addpath (['..' filesep 'MAP'],    ['..' filesep 'wavFileStore'], ...

    ['..' filesep 'utilities'])

figure(2), clf,figure(3), clf,figure(4), clf,

peakOutputDisp=zeros(length(levels),length(toneFrequencyList));

peakStapesDisp=zeros(length(levels),length(toneFrequencyList));

%% now vary level and frequency while measuring the response

levelNo=0;

for leveldBSPL=levels

    levelNo=levelNo+1;

    disp(['level: ' num2str(leveldBSPL)])

    freqNo=0;

    for toneFrequency=toneFrequencyList

        freqNo=freqNo+1;

        %% Generate stimuli

        dt=1/sampleRate;

        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

        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

        MAP1_14(inputSignal, sampleRate, BF, ...

            MAPparamsName, AN_spikesOrProbability, paramChanges);

        peakOutputDisp(levelNo,freqNo)=max(DRNLoutput);

        peakStapesDisp(levelNo,freqNo)=max(TMoutput);

        % the model run is complete. Now display the results if debugging

        % UTIL_showMAP(showMapOptions)

    end % probe frequencies

    % monitor progress

    figure(2), loglog(toneFrequencyList, peakOutputDisp), hold on

    xlabel('frequency')

    ylabel('peak DRNL displacement (m)')

    title ('DRNL uncorrected displacement')

end  % levels

figure(2),legend(num2str(toneFrequencyList'),'location','northwest')

% convert from model BM displacement to Ruggero's velocity

DRNLvelocity= peakOutputDisp ...

    .*repmat(2*pi*toneFrequencyList,length(levels),1);

% convert from model stapes displacement to Ruggero's velocity

stapesVelocity= peakStapesDisp ...

    .*repmat(2*pi*toneFrequencyList,length(levels),1);

% velocity gain is increased velocity attributable to the DRNL

DRNLvelocityGain = DRNLvelocity./stapesVelocity;

DRNLvelocityGain_dB= 20*log10(DRNLvelocityGain );

% iso-intensity equates all functions at the same outpu for the lowest

%  velocity tested

isoIntensityDRNLvel_dB= DRNLvelocityGain_dB- ...

    repmat(DRNLvelocityGain_dB(:,1),1,length(toneFrequencyList));

% displays

% iso-velocity function (nrmalised by stapes velocity)

figure(3), clf, semilogx(toneFrequencyList, isoIntensityDRNLvel_dB)

ylim([-10 50])

xlim([3000 20000])

xlabel('frequency (Hz)')

set(gca,'Xtick', [1000 ],'xticklabel',{'1000'})

ylabel('peak DRNL velocity gain (dB)')

title(['CF= ' num2str(BF) ' Hz'])

legend(num2str(levels'),'location','northwest')

% velocity I/O function

figure(4), clf, semilogy(levels, (DRNLvelocity*1e6)'), hold on

ylim([5e0 1.2e4])

xlim([0 80])

xlabel('level')

ylabel(' velocity (microm/ s)')

title(['CF= ' num2str(BF) ' Hz'])

legend(num2str(toneFrequencyList'),'location','northwest')

% command window reports

disp(''), disp('***')

disp(AN_spikesOrProbability)

% DRNL parameter set

UTIL_showStructureSummary(DRNLParams, 'DRNLParams', 10)

% stimulus characteristics

disp(['CF=' num2str(BF)])

disp(['tone Duration=' num2str(rampDuration)])

disp(['ramp Duration=' num2str(duration)])

% particular parameter changes used on this run

for i=1:length(paramChanges)

    disp(paramChanges{i})

end

% if required dump one or more matrices in tab spaced format

%  (suitable for pasting directly into EXCEL.

%     UTIL_printTabTable([toneFrequencyList' peakOutputDisp'])

% leave the path as you found it

path(restorePath)