How can I define a time for a button to be pressed?

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Joana Alves
Joana Alves 2017-6-29
回答： Walter Roberson 2017-6-29
Hi!
I'm writting a code where I want a button (key or mouse) to be pressed when an image appears. I have used waitforbuttonpress but it stops the image until a button is pressed. I want to have the possibility of any button to be pressed when an imagem appears, but only for a limited time. My code is:
imshow(im_b);
w=waitforbuttonpress;
reaction=toc(tstart);
imshow(im_preto);
However I want a waiting of 10 to 15seconds.
If anyone could help me I would appreciate. Thanks!

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回答（1 个）

Walter Roberson
Walter Roberson 2017-6-29
https://www.mathworks.com/matlabcentral/fileexchange/8297-getkeywait
... though it sounds to me as if you should be considering using PsychToolbox

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