= Interstimulus interval
{wiki=Interstimulus_interval}
The interstimulus interval (ISI) is the time interval between the presentation of one stimulus and the next stimulus in an experimental setting. It is a crucial parameter in various fields of psychology and neuroscience, especially in studies involving sensory perception, attention, and learning. In experimental designs, the ISI can influence how subjects process stimuli, as it can affect attention, memory encoding, and the ability to discriminate between stimuli.
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