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fig3_def.m
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fig3_def.m
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clear;clc;close all;
addpath(genpath('./modelfits/'))
addpath(genpath('./functions/'))
load('Binary_models_[2022_5_27_16_9_53].mat') % dynamic
model = {EV_CI,AU_CI,EV_DR}; % 3 models
for ID = 1:3
datadir = './datasets/';
datafile = {
'behav_fmri.mat'
'gluth_exp4.mat'
'gluth_exp1.mat'
'gluth_exp3.mat'
'gluth_exp2_HP.mat'
};
% aggregating data
accuracy = [];trial_type = [];probs = [];rews = [];RT = [];
for whichf = 1:length(datafile)
D1 = load([datadir,datafile{whichf}]);
accuracy = cat(2,accuracy,D1.behavior.accuracy);
trial_type = cat(2,trial_type,D1.behavior.trial_type);
probs = cat(2,probs,D1.behavior.probs);
rews = cat(2,rews,D1.behavior.rews);
RT = cat(2,RT,D1.behavior.RT); % in ms
end
n_subj = length(rews);
models = [];
for whichmodel = numel(model):-1:1
for s = (1:n_subj)
y = model{whichmodel}.outputFull_B{s};
models(s,whichmodel,:) = y.relacc;
end
end
out = [];
for s = n_subj:-1:1
disp(['subj: ',num2str(s)])
tt = trial_type{s}; %trial type (2 = distractor trial)
if length(unique(tt))>2
tt(tt~=0&tt~=10) = -99;
tt(tt==0) = 2;
tt(tt==10) = 1;
end
P = probs{s}; % reward probability (HV, LV, D)
X = rews{s}; % reward magnitude (HV, LV, D)
P(P<=0) = nan;
X(X<=0) = nan;
% normalise reward P and X to (0,1]
Pnorm = bsxfun(@times, P, 1./prctile(P,100));
Xnorm = bsxfun(@times, X, 1./prctile(X,100));
data_acc = accuracy{s}; % p(HV over LV)
data_rt = RT{s}/1000;
data_rt(data_rt<0.1) = nan;
miss = isnan(data_acc) | isnan(data_rt);
data_acc(miss) = nan;
% model
pred = squeeze(models(s,ID,:,1));
Y = [pred,data_acc(tt==1)];
attribute = [Pnorm(tt==1,1:2),Xnorm(tt==1,1:2)]; % attribute matrix
% geometric structure type: P dom, X dom, congruent (double dom)
structp = [
(Pnorm(:,1)>Pnorm(:,2) & Xnorm(:,1)<=Xnorm(:,2))+...
(Xnorm(:,1)>Xnorm(:,2) & Pnorm(:,1)<=Pnorm(:,2)),...
Xnorm(:,1)>Xnorm(:,2) & Pnorm(:,1)>Pnorm(:,2)];
[~,struct_cat] = max(structp,[],2);
EV = Pnorm(tt==1,1:2).*Xnorm(tt==1,1:2);
dEV = EV(:,1)-EV(:,2);
dEV = round(dEV,4);
y = [dEV,Y,struct_cat(tt==1,:)];
y = sortrows(y,1);
EVlevel = unique(y(:,1));
tmp = [];
for i = 1:length(EVlevel)
for j = 1:2
id = y(:,1)==EVlevel(i)&y(:,end)==j;
tmp(i,j,:) = nanmean(y(id,2:3),1);
end
end
out(s,:,:,:) = tmp;
end
figure('position',[877 800-(ID-1)*312 312 205])
bar_yc(out(:,:,:,2),0); hold on;
markersize = 8;
err_yc(out(:,:,:,1),markersize)
tick = round(EVlevel,2);
set(gca,'xtick',1:length(EVlevel),'xticklabel',tick,...
'fontsize',15,'xticklabelrotation',45)
set(gca,'ytick',[0.5,0.75,1],'tickdir','out','box','off','linewidth',1.2)
xlabel('\Delta EV (HV - LV)')
ylabel('p(H over L)')
set(gca, 'color', 'none');
ylim([0.45,1])
end
% plot functions
function bar_yc(data,flag)
vw_color = [160,207,231; 198,133,201; 198,133,201;]./255;
model_series = squeeze(nanmean(data));
nsub = size(data,1);
model_error = squeeze(nanstd(data))./sqrt(nsub);
if flag
model_error = squeeze(nanstd(data));
end
b = bar(model_series,'grouped');
[ngroups, nbars] = size(model_series);
for k = 1:nbars
b(k).EdgeColor = vw_color(k,:);
b(k).FaceColor = vw_color(k,:);
end
hold on;
groupwidth = min(0.8, nbars/(nbars + 1.5));
for i = 1:nbars
x = (1:ngroups) - groupwidth/2 + (2*i-1) * groupwidth / (2*nbars);
hold on;
y = model_series(:,i);
se = model_error(:,i);
err = [y+se,y-se]';
for k = 1:size(err,2)
hold on
plot(ones(1,2)*(x(k)),err(:,k),'linewidth',1.5,...
'color',vw_color(i,:)*.9)
end
hold on;
end
hold off
end
function err_yc(data,markersize)
model_series = squeeze(nanmean(data));
nsub = size(data,1);
model_error = squeeze(nanstd(data))./sqrt(nsub);
hold on;
[ngroups, nbars] = size(model_series);
groupwidth = min(0.8, nbars/(nbars + 1.5));
vw_color = [160,207,231; 198,133,201; 198,133,201;]./255;
for i = 1:nbars
x = (1:ngroups) - groupwidth/2 + (2*i-1) * groupwidth / (2*nbars);
off = 0.05;
y = model_series(:,i);
se = model_error(:,i);
err = [y+se,y-se]';
for k = 1:size(err,2)
hold on
plot(ones(1,2)*(x(k)-off),err(:,k),'linewidth',2,...
'color',ones(1,3)*0.5)
end
hold on
plot(x-off, model_series(:,i),'ko',...
'markerfacecolor',vw_color(i,:),'markersize',markersize);
end
end