Alexithymia in anorexia nervosa: The mediating role of depression

Sandra Torres, Marina Prista Guerra, Leonor Lencastre, Kylee Miller, Filipa Mucha Vieira, António Roma-Torres, Isabel Brandão, Patrício Costa

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

The role of depression in the expression of alexithymia in anorexia nervosa (AN) has been controversially explained and several variables that may mask or increase the presence of emotional difficulties have scant examination in previous studies. This study aims to analyze the associations between alexithymia and state variables, such as age, BMI, illness duration, treatment duration, and medication status in AN participants, and to test the mediating role of depression in emotional difficulties. The Toronto Alexithymia Scale (TAS-20) and the Zung Self-Rating Depression Scale were administrated to 160 females: 80 participants with AN and 80 healthy controls. High levels of alexithymia were not a function of state variables. The mediating role of depression differed by the alexithymia dimension, with total mediation found for the TAS-DDF and partial mediation found for the TAS-DIF. Alexithymia is a relevant feature throughout the spectrum of AN and does not seem to be related to developmental maturation and some clinical features. Depression is probably the variable that best accounts for the variance in alexithymia, but is not a complete explanation for the known cognitive-affective disturbances in AN. Specific emotional competencies require scrutiny during psychiatric treatment.

Original languageEnglish (US)
Pages (from-to)99-107
Number of pages9
JournalPsychiatry Research
Volume225
Issue number1-2
DOIs
StatePublished - Jan 30 2015
Externally publishedYes

Keywords

  • Alexithymia
  • Body mass index
  • Eating disorders
  • Emotional difficulties
  • Illness duration
  • Mediation
  • Medication status

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry

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