As infants gain familiarity with repeated exposure to a visual stimulus, their interest wanes and they look away sooner. The decrease in an infant's responsiveness is called a stage. stability. concentration. teratogens. habituation.

The correct answer is letter e. habituation.

Explanation:

Habituation is studied to examine children's cognition and perception. Infants tend to stare for longer periods at novel than at repeated stimuli. That decrease in responsiveness happens gradually, and is called habituation. As a matter of fact, habituation refers to any process of gradually becoming less responsive to the same stimuli, even if not visual.