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The effect of weight-loss dieting on cognitive performance and psychological well-being in overweight women.

Abstract
This study investigated the effect of a weight reduction diet on cognitive performance and psychological well-being among overweight women. A total of 42 women undertook a 12-week weight reduction diet while 21 women maintained their usual diet and exercise habits for 12 weeks. All women completed neuropsychologcial tests of speed of information processing, executive function, working memory, immediate and delayed recall and recognition, and verbal ability. They also completed measures of weight locus of control, dieting beliefs, self-esteem, mood and dysfunctional attitudes, before and after the 12-week interval. Being on the diet had a minimal impact on cognitive performance and a positive effect on emotional eating, feelings of depression and dysfunctional attitudes. A sense of control over weight and eating behaviour increased among the dieters, but an internal locus of control was negatively related to self-esteem.
AuthorsJ Bryan, M Tiggemann
JournalAppetite (Appetite) Vol. 36 Issue 2 Pg. 147-56 (Apr 2001) ISSN: 0195-6663 [Print] England
PMID11237350 (Publication Type: Journal Article)
CopyrightCopyright 2001 Academic Press.
Topics
  • Adult
  • Affect
  • Attitude
  • Case-Control Studies
  • Cognition
  • Cognition Disorders (diagnosis, etiology)
  • Diet, Reducing (psychology)
  • Female
  • Humans
  • Internal-External Control
  • Memory
  • Middle Aged
  • Obesity (diet therapy, psychology)
  • Psychological Tests
  • Self Concept
  • Task Performance and Analysis

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