MatLab sending a TTL pulse

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Avelino 2012-3-1

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回答： chong jiao 2019-12-18

Hello to everyone, I am designing a program for visual stimulation in MatLab (in one computer) and I am using other computer to record spikes from the Spike software. I wanted to know in which way is the easier to send a TTL pulse to the Spike software with the information on the time which stimulus has started. Which MatLab function(s) should I start to look for? And which is the most convenient way to make it, by USB output or by COM? Any advices of how to make it or how to look at the problem are really good. Thank you, Avelino

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Answer 1

Walter Roberson 2012-3-1

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I think you should probably look at PsychtoolBox 3.

Serial ports and USB are both badly suited for sending TTL pulses (though if the only thing important about the pulse is the rising edge and not the length and the latency and frequency are not so important, you can hack it with a real serial port.)