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- W2062162248 abstract "To explain an apparently paradoxical pattern wherein sufferers of restrictive anorexia nervosa exhibit both rigorous self-restraint and episodic impulsivity.The experimental, historical, and clinical literatures were examined for evidence of psychological and behavioral changes accompanying severe dietary constriction; such changes were noted and compared with those reported to occur in anorexics.Increased impulsivity in association with dietary constriction is described in diverse literatures. A number of lines of evidence suggest that the serotonergic system mediates this change.Many forms of impulsivity can be understood as having once constituted fitness-enhancing responses to resource scarcity. It is suggested that an evolved psychological mechanism calibrates the individual's sensitivity to risk in light of future prospects. Self-injurious behaviors are explicable as misfirings of such a mechanism. Similarly, excessive exercising by anorexics may reflect the misdirection of reward systems that normally encourage adaptive increases in ranging behavior under conditions of scarcity." @default.
- W2062162248 created "2016-06-24" @default.
- W2062162248 creator A5006028061 @default.
- W2062162248 date "2002-03-21" @default.
- W2062162248 modified "2023-09-23" @default.
- W2062162248 title "Pseudoparadoxical impulsivity in restrictive anorexia nervosa: A consequence of the logic of scarcity" @default.
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- W2062162248 doi "https://doi.org/10.1002/eat.10035" @default.
- W2062162248 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/11948643" @default.
- W2062162248 hasPublicationYear "2002" @default.
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