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Updated: Jul 5, 2026

A Computer-Based Platform for Aiding Clinicians in Eating Disorder Analysis and Diagnosis

A Computer-Based Platform for Aiding Clinicians in Eating Disorder Analysis and Diagnosis

Published on: May 10, 2022

Central coherence in eating disorders: a systematic review.

C Lopez¹, K Tchanturia, D Stahl

¹Division of Psychological Medicine, Eating Disorders Research Unit, Institute of Psychiatry, King's College London, London, UK. carolina.lopez@iop.kcl.ac.uk

Psychological Medicine

|May 2, 2008

Summary

Individuals with eating disorders (ED) exhibit global processing deficits, supporting the weak central coherence hypothesis. Further research is needed to clarify local processing abilities in these patients.

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Area of Science:

Cognitive Psychology
Clinical Psychology
Neuroscience

Background:

Eating disorders (ED) are associated with cognitive alterations.
The weak central coherence theory suggests a local processing bias in individuals with ED.
Systematic appraisal of evidence is needed to validate this hypothesis.

Purpose of the Study:

To systematically review research on local versus global information processing in eating disorders.
To test the weak central coherence hypothesis in individuals with ED.
To synthesize existing evidence through meta-analysis where feasible.

Main Methods:

Comprehensive literature search of major scientific databases (Medline, EMBASE, PsycINFO, ISI Web of Science).
Inclusion of studies measuring central coherence and cognitive functioning in ED.
Meta-analysis of data from studies using identical tasks, provided more than five studies were available.

Main Results:

Analysis of 16 studies revealed moderate effect sizes for four tasks.
A majority of studies indicated global processing difficulties across the spectrum of eating disorders.
Evidence regarding local processing abilities in ED remains inconclusive.

Conclusions:

Individuals with eating disorders demonstrate significant difficulties with global information processing.
The hypothesis of superior local processing in ED is not definitively supported.
Current evidence is insufficient to reject the weak central coherence theory in eating disorders.