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Verbal fluency in anorexia nervosa

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Abstract

Verbal fluency performance is commonly evaluated in clinical neuropsychology, in particular for assessment of executive functioning. Fluency is usually assessed by the person’s ability to produce as many words as possible from a given cue within a specific timeframe. The cues are typically phonemic, e.g. words beginning with a specific letter, or semantic, e.g. words within a given category. Important components underlying fluency performance include clustering (the production of words within subcategories) and switching (the switch between clusters). Previous studies have demonstrated good performance on verbal fluency tasks in patients with anorexia nervosa (AN), but have not investigated the underlying components of this performance. The aim of the present study was to compare phonemic fluency performance in patients with AN to healthy controls (HC) and to investigate the use of clustering and switching in the two groups. Fifty-two patients with AN were compared with 37 HC on a phonemic fluency task. The patient group produced more words in total but the results were not significantly different compared to the HC sample. There were no differences between the two groups with regard to clustering, but patients with AN performed significantly more switches. In addition, switching was significantly more related to total output score in the patient sample. In contrast with previous studies of other areas of cognitive flexibility in AN, patients with AN appear to have good verbal set-shifting skills.

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Conflict of interest

The authors declare that they have no conflict of interest.

Author information

Authors and Affiliations

  1. Regional Eating Disorders Service, Oslo University Hospital Ullevål, P.O. Box 4956, Nydalen, Oslo, Norway

    Kristin Stedal & Bryan Lask

  2. Center for the Study of Human Cognition, Cognitive and Neuropsychology Group, Department of Psychology, University of Oslo, Oslo, Norway

    Nils Inge Landrø

  3. Gt. Ormond St. Hospital for Children NHS Trust, London, UK

    Bryan Lask

  4. Ellern Mede Service for Eating Disorders, London, UK

    Bryan Lask

Authors
  1. Kristin Stedal
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  2. Nils Inge Landrø
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  3. Bryan Lask
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Corresponding author

Correspondence to Kristin Stedal.

Additional information

Research conducted with the support from Health South-East.

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Stedal, K., Landrø, N.I. & Lask, B. Verbal fluency in anorexia nervosa. Eat Weight Disord 18, 151–156 (2013). https://doi.org/10.1007/s40519-013-0024-0

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  • DOI: https://doi.org/10.1007/s40519-013-0024-0

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