Human Growth and Development / Unit 18 HGD 2574 short lesson, about 20 seconds
Habituation and Preference
Captions available
The idea
Researchers read infants' perception through habituation, a decreasing response to a repeated stimulus, entry 0356, and through looking-time preferences, entry 0342.
In practice
Infants looking longer at faces than patterns, and at curved lines than straight, entry 0342.
Where people slip
These methods let researchers ask what infants perceive before they can speak.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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