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A brief mental fatigue questionnaire

R P Bentall1, G C Wood, T Marrinan

  • 1Department of Clinical Psychology, University of Liverpool, UK.

The British Journal of Clinical Psychology
|September 1, 1993
PubMed
Summary
This summary is machine-generated.

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A mental fatigue questionnaire effectively identified Chronic Fatigue Syndrome (CFS) patients but could not distinguish them from depressed patients, who reported similar symptoms.

Area of Science:

  • Psychiatry
  • Neurology
  • Clinical Psychology

Background:

  • Mental fatigue is a key symptom in several neurological and psychiatric conditions.
  • Differentiating between conditions like Chronic Fatigue Syndrome (CFS) and depression can be challenging due to overlapping symptoms.

Purpose of the Study:

  • To evaluate the effectiveness of a brief mental fatigue questionnaire.
  • To assess its ability to discriminate between patients with Chronic Fatigue Syndrome (CFS), depression, and other relevant groups.

Main Methods:

  • A mental fatigue questionnaire was administered to participants including normal subjects, muscle-diseased patients, CFS patients, recovered CFS patients, and depressed patients.
  • Internal consistency and discriminative validity of the questionnaire were analyzed.

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Main Results:

  • The questionnaire demonstrated excellent internal consistency.
  • It effectively discriminated between CFS and depressed patients combined, versus recovered CFS, normal, and muscle-diseased patients.
  • However, the scale could not differentiate between CFS and depressed subjects, indicating similar symptom profiles.

Conclusions:

  • The brief mental fatigue questionnaire is a reliable tool for assessing mental fatigue.
  • It shows potential in identifying individuals with significant mental fatigue, such as those with CFS or depression.
  • Further research is needed to refine instruments that can distinguish between CFS and depression based on mental fatigue characteristics.