Sensitization

Sensitization is a non-associative learning process in which repeated administration of a stimulus results in the progressive amplification of a response. Sensitization often is characterized by an enhancement of response to a whole class of stimuli in addition to the one that is repeated. For example, repetition of a painful stimulus may make one more responsive to a loud noise.

This article is about the concept in psychology. For the concept in immunology, see Sensitization (immunology). For central sensitization (physiologic pathology), see Central sensitization.
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