A positive emotional bias in confabulatory false beliefs about place

Brain and Cognition
Oliver H TurnbullCathryn E Y Evans

Abstract

Some neurological patients with medial frontal lesions exhibit striking confabulations. Most accounts of the cause of confabulations are cognitive, though the literature has produced anecdotal suggestions that confabulations may not be emotionally neutral, having a ('wish-fulfilment') bias that shapes the patient's perception of reality in a more affectively positive direction. The present study reviewed every case (N = 16) of false beliefs about place reported in the neuroscientific literature from 1980 to 2000, with blind raters evaluating the 'pleasantness' of the patient's actual and confabulated locations. In each case the confabulated location was evaluated as more pleasant. This striking finding supports the claim that there may be a systematic affective bias in the false beliefs held by neurological patients with confabulation.

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Citations

Feb 23, 2008·Integrative Psychological & Behavioral Science·Jaak Panksepp
Apr 18, 2008·Cognitive Neuropsychology·Kasey MetcalfMax Coltheart
Jul 9, 2008·Neuropsychological Rehabilitation·Aikaterini Fotopoulou
Sep 9, 2009·Cognitive Neuropsychiatry·Kasey MetcalfMax Coltheart
Oct 14, 2009·Cognitive Neuropsychiatry·Aikaterini Fotopoulou
Mar 3, 2007·Consciousness and Cognition·Ryan McKayMax Coltheart
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Jul 28, 2016·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Ana BajoMichael D Kopelman
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