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habituation

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.09 sec.

habituation

Reduction of an animal's behavioral response to a stimulus, as a result of a lack of reinforcement during continual exposure to the stimulus. Habituation is usually considered a form of learning in which behaviours not needed are eliminated. It may be separated from most other forms of decreased response on the basis of permanence; the habituated animal either does not resume its earlier reaction to the stimulus after a period of no stimulus, or, if the normal reaction is resumed on reexposure to the stimulus, it wanes more quickly than before. Vital responses (e.g., flight from a predator) cannot be truly habituated.



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? Mentioned in ? References in classic literature
 
Though, consumed with the hot fire of his purpose, Ahab in all his thoughts and actions ever had in view the ultimate capture of Moby Dick; though he seemed ready to sacrifice all mortal interests to that one passion; nevertheless it may have been that he was by nature and long habituation far too wedded to a fiery whaleman's ways, altogether to abandon the collateral prosecution of the voyage.
His rifle was no old-fashioned Snider, but a modern, repeating Winchester; and he showed habituation to firing it from his shoulder rather than from the hip after the manner of most Malaitans.
 
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