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attenuation

stimulus-response behavior

Quick Summary

Habituation is a form of learning where an animal's behavioral response to a stimulus diminishes due to repeated exposure without reinforcement. It's essentially the elimination of unnecessary reactions. For example, a snail initially withdraws into its shell when its surface is tapped, but with repeated tapping, the response becomes weaker and eventually stops. This process is distinct from sensory adaptation or fatigue, as habituated responses can be restored by a change in stimulus or context. Habituation is widespread across the animal kingdom and is crucial for animals to distinguish between novel, potentially dangerous stimuli and familiar, safe ones, allowing them to conserve energy for essential activities like foraging.12

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