Final answer:
The time between the offset of the sample stimulus and the onset of the comparison stimuli is usually called the Interstimulus interval.
Step-by-step explanation:
The time between the offset of the sample stimulus and the onset of the comparison stimuli is usually called the Interstimulus interval. It refers to the period of time between two consecutive stimuli in an experimental setting. It is important because it can affect how individuals perceive and respond to stimuli.