When her parents first hung the new mobile over her crib,Hannah paid a great deal of attention to it.But as time passed,Hannah paid less attention to the mobile,looking at it less often and for shorter periods of time.Hannah is exhibiting

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Hannah's decreasing attention to the mobile over time is a classic example of habituation. This is a psychological process in which an organism becomes less responsive to a stimulus after repeated exposures. In this case, the mobile has become a familiar and predictable sight for Hannah, and thus she no longer feels the need to pay as much attention to it. Dishabituation is the opposite process, in which a previously habituated response is brought back by a novel or significant change in the stimulus. Recovery from habituation refers to the rebound effect that can occur after a rest period or change of context. Negative reinforcement is a different concept altogether, involving the removal of an aversive stimulus to increase the likelihood of a behavior being repeated.

When Her Parents First Hung the New Mobile Over Her