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Are Weight Status and Cognition Associated? An Examination of Cognitive Development in Children and Adolescents with Anorexia Nervosa 1 Year after First Hospitalisation

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OBJECTIVE: The aim of this study was to characterise the association between the cognitive profile and weight restoration in children and adolescents with anorexia nervosa.

METHODS: The study was a longitudinal, matched case-control, multicentre study. An assessment of cognitive functions was conducted by using the Wechsler Intelligence Scale for Children-III/the Wechsler Adult Intelligence Scale-III, the Test of Memory and Learning-second edition, Trail Making Tests A and B, the Rey-Osterrieth Complex Figure Test and the Cambridge Neuropsychological Test Automated Battery.

RESULTS: One hundred twenty individuals, 60 patients with anorexia nervosa with mean age of 14.65 (SD 1.820) years and 60 healthy controls with mean age of 14.76 (SD 1.704) years, participated. No association was found between weight recovery and cognitive functions. However, a significant increase in motor speed was found in Trail Making Test A (p = 0.004), Reaction Time (RTI) five-choice movement time (p = 0.002) and RTI simple movement time (p = 0.011), resulting in a normalisation corresponding to that found in healthy controls. Furthermore, a significantly lower score in the perceptual organization index (p = 0.029) was found at follow-up.

CONCLUSIONS: Weight recovery appears not to be associated with cognition.

OriginalsprogEngelsk
TidsskriftEuropean eating disorders review : the journal of the Eating Disorders Association
Vol/bind24
Udgave nummer5
Sider (fra-til)366-76
Antal sider10
DOI
StatusUdgivet - sep. 2016

ID: 46381158