comparison testPrograms/testLibermanMOC_DPOAE.m @ 38:c2204b18f4a2 tip

End nov big change
author Ray Meddis <rmeddis@essex.ac.uk>
date Mon, 28 Nov 2011 13:34:28 +0000
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37:771a643d5c29 38:c2204b18f4a2
1 function testLibermanMOC_DPOAE
2
3 % compares MOC response to LIberman's 1996 data for DPOAE reduction with
4 % contralateral tone stimulation.
5 % This program is used mainly as a check on the time constants involved.
6 %
7 % NB very different time constants are required for 'spikes' and
8 % 'probability'
9
10 % global dt ANdt savedBFlist saveAN_spikesOrProbability saveMAPparamsName...
11 % savedInputSignal OMEextEarPressure TMoutput OMEoutput ARattenuation ...
12 % DRNLoutput IHC_cilia_output IHCrestingCiliaCond IHCrestingV...
13 % IHCoutput ANprobRateOutput ANoutput savePavailable ANtauCas ...
14 % CNtauGk CNoutput ICoutput ICmembraneOutput ICfiberTypeRates ...
15 % MOCattenuation
16 global dt dtSpikes saveAN_spikesOrProbability ANprobRateOutput ICoutput
17
18 global DRNLParams
19
20 LibermanData=[
21 2 0.2;
22 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;
23 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;
24 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;
25 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;
26 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;
27 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;
28 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;
29 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;
30 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;
31 ];
32
33 % Backus2006Data: time bilateral contralateral ipsilateral
34 % all % max microPascals
35 Backus2006Data=[
36 100 20 15 10;
37 200 36 24 14;
38 300 44 30 18;
39 400 46 32 20;
40 500 48 34 22;
41 1000 50 36 24;
42 1500 52 37 25;
43 2000 54 38 27
44 ];
45
46 steadyMinimum=mean(LibermanData(LibermanData(:,1)>4 & LibermanData(:,1)<7,2));
47
48 restorePath=path;
49 addpath (['..' filesep 'MAP'], ['..' filesep 'wavFileStore'], ...
50 ['..' filesep 'utilities'])
51
52 %% #1 parameter file name
53 MAPparamsName='Normal';
54
55
56 %% #2 probability (fast) or spikes (slow) representation
57 AN_spikesOrProbability='spikes';
58 % or
59 AN_spikesOrProbability='probability';
60
61
62 %% #3 pure tone, harmonic sequence or speech file input
63 signalType= 'tones';
64 sampleRate= 50000;
65 rampDuration=.005; % raised cosine ramp (seconds)
66 toneFrequency= 1000; % or a pure tone (Hz)
67 duration=3.6; % Lieberman test
68 beginSilence=1; % 1 for Lieberman
69 endSilence=1; % 1 for Lieberman
70
71 %% #4 rms level
72 % signal details
73 leveldBSPL= 80; % dB SPL (80 for Lieberman)
74
75
76 %% #5 number of channels in the model
77
78 numChannels=1;
79 BFlist=toneFrequency;
80
81
82 %% #6 change model parameters
83 paramChanges={};
84
85 %% delare 'showMap' options to control graphical output
86 showMapOptions.printModelParameters=1; % prints all parameters
87 showMapOptions.showModelOutput=1; % plot of all stages
88 showMapOptions.printFiringRates=1; % prints stage activity levels
89 showMapOptions.showACF=0; % shows SACF (probability only)
90 showMapOptions.showEfferent=1; % tracks of AR and MOC
91 showMapOptions.surfAN=1; % 2D plot of HSR response
92 showMapOptions.surfSpikes=0; % 2D plot of spikes histogram
93 showMapOptions.ICrates=0; % IC rates by CNtauGk
94
95 %% Generate stimuli
96
97 % Create pure tone stimulus
98 dt=1/sampleRate; % seconds
99 time=dt: dt: duration;
100 inputSignal=sum(sin(2*pi*toneFrequency'*time), 1);
101 amp=10^(leveldBSPL/20)*28e-6; % converts to Pascals (peak)
102 inputSignal=amp*inputSignal;
103 % apply ramps
104 % catch rampTime error
105 if rampDuration>0.5*duration, rampDuration=duration/2; end
106 rampTime=dt:dt:rampDuration;
107 ramp=[0.5*(1+cos(2*pi*rampTime/(2*rampDuration)+pi)) ...
108 ones(1,length(time)-length(rampTime))];
109 inputSignal=inputSignal.*ramp;
110 ramp=fliplr(ramp);
111 inputSignal=inputSignal.*ramp;
112 % add silence
113 intialSilence= zeros(1,round(beginSilence/dt));
114 finalSilence= zeros(1,round(endSilence/dt));
115 inputSignal= [intialSilence inputSignal finalSilence];
116
117 %% run the model
118 tic
119 fprintf('\n')
120 disp(['Signal duration= ' num2str(length(inputSignal)/sampleRate)])
121 disp([num2str(numChannels) ' channel model: ' AN_spikesOrProbability])
122 disp('Computing ...')
123
124 MAP1_14(inputSignal, sampleRate, BFlist, ...
125 MAPparamsName, AN_spikesOrProbability, paramChanges);
126
127
128 %% the model run is now complete. Now display the results
129 UTIL_showMAP(showMapOptions)
130
131 if strcmp(signalType,'tones')
132 disp(['duration=' num2str(duration)])
133 disp(['level=' num2str(leveldBSPL)])
134 disp(['toneFrequency=' num2str(toneFrequency)])
135 disp(['attenuation factor =' ...
136 num2str(DRNLParams.rateToAttenuationFactor, '%5.3f') ])
137 disp(['attenuation factor (probability)=' ...
138 num2str(DRNLParams.rateToAttenuationFactorProb, '%5.3f') ])
139 disp(AN_spikesOrProbability)
140 end
141 disp(paramChanges)
142
143
144
145 %% superimpose Lieberman (1996) data
146
147 global MOCattenuation
148 MOCdB=20*log10(MOCattenuation);
149 MOCtime=dt:dt:dt*length(MOCdB);
150
151 % scale up DPOAE results to the running maximum MOC dB
152 steadyMOCminimum=mean(MOCdB(MOCtime>2 & MOCtime<4.5));
153 scalar=steadyMOCminimum/steadyMinimum;
154
155 figure(90), clf
156 plot(MOCtime,MOCdB), hold on
157 plot(LibermanData(:,1)-2.5,scalar*LibermanData(:,2),'r:','linewidth',4)
158 legend({'MAP', 'DPOAE'},'location', 'east')
159 title('Compare Liberman (1996) DPOAE data with MAP MOC')
160 xlabel('time (s)'), ylabel('MOC attenuation/ DPOAE reduction')
161 if strcmp(saveAN_spikesOrProbability,'probability')
162 text(0,2,['MOCtau= ' num2str(DRNLParams.MOCtauProb)])
163 else
164 text(0,2,['MOCtau= ' num2str(DRNLParams.MOCtau)])
165 end
166 set(gcf, 'name', 'Liberman compare')
167
168 PSTHbinwidth=0.001;
169
170 % show the source of the MOC activity
171 figure(89)
172 if strcmp(saveAN_spikesOrProbability,'probability')
173 % brainstem activity
174 PSTH=UTIL_PSTHmaker...
175 (ANprobRateOutput(2,:), dt, PSTHbinwidth)*dt/PSTHbinwidth;
176 else
177 % AN probability
178 PSTH=UTIL_PSTHmaker(ICoutput(2,:), dtSpikes, PSTHbinwidth)*dt/PSTHbinwidth;
179 end
180
181 time=PSTHbinwidth:PSTHbinwidth:PSTHbinwidth*length(PSTH);
182 plot(time, PSTH)
183 set(gcf,'name', 'Lieberman')
184 title(saveAN_spikesOrProbability)
185
186 toc
187 path(restorePath)
188
189 % figure(88), plot(MOCattenuation)