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105 lines
3.5 KiB
Matlab
105 lines
3.5 KiB
Matlab
function expts_gain_modulation_eye()
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[W,V,interconnects]=define_network(1);
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%choose node from which to record
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[angles,ranges,partitions,values,stdx]=simulate_agent();
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nullH=zeros(1,length(values{1,3}));
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retinaRF=-30;
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panRF=30;
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indR=find(ranges.Rcentres==retinaRF);
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indE=find(ranges.Ecentres==panRF);
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node=(indR-1)*length(ranges.Ecentres)+indE;
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%record response of neuron to different combinations of retinal input and eye pan
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retinaTestvals=retinaRF+[-30:90];
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eyeTestvals=panRF+[0:-7.5:-30];
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k=0;
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for b=eyeTestvals
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k=k+1;
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p=0;
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for a=retinaTestvals
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p=p+1;
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x{1}=[code(a,values{1,1},stdx),code(b,values{1,2},stdx),nullH]';
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[y,e,r,ytrace]=dim_activation_hierarchical(W,x,V,interconnects);
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resp(k,p)=mean(ytrace{1}(node,:));
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end
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end
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figured(1),clf
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plot(resp','LineWidth',3)
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legend([num2str(eyeTestvals', 'pan=% 2.1f')],'Location','NorthEast');legend('boxoff')
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axis([1,length(retinaTestvals),0,0.17])
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tolabel=[1:30:length(retinaTestvals)];
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set(gca,'XTick',tolabel,'XTickLabel',retinaTestvals(tolabel),'FontSize',15);
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xlabel('retinal location of stimulus (degrees)');ylabel('response')
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set(gcf,'PaperSize',[11 11],'PaperPosition',[0.5 0.5 10.5 10.5],'PaperOrientation','Portrait');
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print(gcf, '-dpdf', 'gain_modulation_eye.pdf');
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%record response of neuron to different combinations of head-centred visual position and eye pan
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clear resp
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targetTestvals=[-60:1:60];
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eyeTestvals=panRF+[0:-7.5:-30];
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k=0;
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for b=eyeTestvals
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k=k+1;
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p=0;
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for a=targetTestvals
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p=p+1;
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%calc visual input produced by current target
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vistarget=simulate_agent_world_to_retina(a,b,0,0);
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x{1}=[code(vistarget,values{1,1},stdx),code(b,values{1,2},stdx),nullH]';
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[y,e,r,ytrace]=dim_activation_hierarchical(W,x,V,interconnects);
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resp(k,p)=mean(ytrace{1}(node,:));
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end
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end
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figured(2),clf
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plot(resp','LineWidth',3)
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legend([num2str(eyeTestvals', 'pan=% 2.1f')],'Location','NorthEast');legend('boxoff')
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%axis([1,length(retinaTestvals),0,0.3])
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tolabel=[1:60:121];
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set(gca,'XTick',tolabel,'XTickLabel',targetTestvals(tolabel),'FontSize',15);
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xlabel('body-centred location of stimulus (degrees)');ylabel('response')
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set(gcf,'PaperSize',[11 11],'PaperPosition',[0.5 0.5 10.5 10.5],'PaperOrientation','Portrait');
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%record response of neuron to different combinations of retinal input and eye
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%pan - repeat first experiment, but initially setting network to look at the
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%fixation point, and keeping fixation point to present throughout
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retinaTestvals=retinaRF+[-30:90];
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eyeTestvals=panRF+[0:-7.5:-30];
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nullE=zeros(1,length(values{1,1}));
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k=0;
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for b=eyeTestvals
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k=k+1;
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p=0;
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for a=retinaTestvals
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p=p+1;
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%fixate FP:
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x{1}=[code(0,values{1,1},stdx),code(b,values{1,2},stdx),nullH]';
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y=dim_activation_hierarchical(W,x,V,interconnects);
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%show FP and flash probe:
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for t=1:50
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x{1}(:,t)=[code(0,values{1,1},stdx)+code(a,values{1,1},stdx),code(b,values{1,2},stdx),nullH]';
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end
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x{1}(:,t+1)=[code(0,values{1,1},stdx),code(b,values{1,2},stdx),nullH]';
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[y,e,r,ytrace]=dim_activation_hierarchical(W,x,V,interconnects,y);
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resp(k,p)=mean(ytrace{1}(node,:));
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end
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end
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figured(3),clf
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plot(resp','LineWidth',3)
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legend([num2str(eyeTestvals', 'pan=% 2.1f')],'Location','NorthEast');legend('boxoff')
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axis([1,length(retinaTestvals),0,0.17])
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tolabel=[1:30:length(retinaTestvals)];
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set(gca,'XTick',tolabel,'XTickLabel',retinaTestvals(tolabel),'FontSize',15);
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xlabel('retinal location of stimulus (degrees)');ylabel('response')
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set(gcf,'PaperSize',[11 11],'PaperPosition',[0.5 0.5 10.5 10.5],'PaperOrientation','Portrait');
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%print(gcf, '-dpdf', 'gain_modulation_eye.pdf');
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