No Evidence for Cross-Sectional or Longitudinal Associations between Cognitive Flexibility Performances and Nutritional Status in a Cohort of Inpatients with Anorexia Nervosa

No Evidence for Cross-Sectional or Longitudinal Associations between Cognitive Flexibility Performances and Nutritional Status in a Cohort of Inpatients with Anorexia Nervosa

According to the Cognitive-Interpersonal model of anorexia nervosa (AN), the combined influence of cognitive and socio-emotional difficulties would constitute vulnerability and maintaining factors. Poor cognitive flexibility is one of the endophenotypic candidates (i.e., a trait marker) of the disor...

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Bibliographic Details
Published in:Nutrients Vol. 16; no. 13; p. 1982
Main Authors: Castaño, Lutzi, Fatseas, Melina, Cuzacq, Maylis, Mattar, Lama, Godart, Nathalie, Berthoz, Sylvie
Format: Journal Article
Language:English
Published: Switzerland MDPI AG 21-06-2024
MDPI
Subjects:
Adolescent
Adult
Agricultural sciences
Anorexia
anorexia nervosa
Anorexia Nervosa - psychology
Anxiety
Anxiety - psychology
Body Composition
Body Mass Index
Cognition
cognitive flexibility
Cohort Studies
Confounding (Statistics)
Cross-Sectional Studies
Depression - psychology
Eating disorders
endophenotype
Female
Flexibility
Humans
Inpatients - psychology
Inpatients - statistics & numerical data
Investigations
Life Sciences
Likert scale
Longitudinal Studies
Male
Mental depression
Neuropsychology
Nutritional Status
Questionnaires
Variables
Young Adult
Germany
endophenotype
body composition
nutritional status
anorexia nervosa
cognitive flexibility
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Summary:According to the Cognitive-Interpersonal model of anorexia nervosa (AN), the combined influence of cognitive and socio-emotional difficulties would constitute vulnerability and maintaining factors. Poor cognitive flexibility is one of the endophenotypic candidates (i.e., a trait marker) of the disorder, but few studies have examined its association with illness symptom variations, notably weight status. The study aimed to evaluate the relationships between cognitive flexibility performances and nutritional status indices (BMI; body composition) at different times of the disorder. Cross-sectional and longitudinal associations between cognitive flexibility (TAP 2.1) and nutritional status indices, along with anxious and depressive (HAD) and eating disorder (EDE-Q) symptomatology were investigated using univariate and multivariate analyses in a cohort of AN inpatients evaluated at hospital admission (N = 167) and discharge (N = 94). We found no or negligible associations between nutritional status and HAD or EDE-Q scores or cognitive flexibility performances, either cross-sectionally or longitudinally. Cognitive performances did not significantly differ between the AN subtypes. In agreement with the Cognitive-Interpersonal model of AN, cognitive flexibility is independent of nutritional status, as well as the AN subtype. It is also independent of the levels of anxious, depressive, or ED symptomatology. A new therapeutic approach targeting cognitive flexibility and intolerance to change could benefit severely emaciated people with AN, regardless of disease subtype and level of dysphoria.
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ISSN:2072-6643
2072-6643
DOI:10.3390/nu16131982