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What Is Craving? - National Institutes of Health

What Is Craving? Models and Implications for TreatmentRaymond F. Anton, many alcoholics experience craving, researchers have not yet developed acommon, valid definition of the phenomenon. Numerous models of the mechanismsunderlying craving have been suggested, however. One of those models the neuroadaptivemodel suggests that the prolonged presence of alcohol induces changes in brain-cellfunction. In the absence of alcohol, those changes cause an imbalance in brain activity thatresults in craving. Furthermore, the adaptive changes generate memories of alcohol spleasant effects that can be activated when alcohol-related environmental stimuli areencountered, even after prolonged abstinence, thereby leading to relapse. Similarly, stressfulsituations may trigger memories of the relief afforded by alcohol, which could also lead torelapse.

alcohols pleasant, or reinforcing, effects or to avoid or alleviate the unpleasant, or aversive, effects of not drinking. Conversely, cognitive models are based on the assumption that responses to alcohol and alcohol-related cues involve various cognitive processes, such as expectations regarding the pleasant effects of alcohol and a person ...

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  Health, National, Institute, Alcohols, Effect, National institutes of health, Cravings

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