The journey between brain and gut: A systematic review of psychological mechanisms of treatment effect in irritable bowel syndrome

Sula Windgassen,  Rona Moss‐Morris, Joseph Chilcot, Alice Sibelli 

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First published: 01 June 2017




Irritable bowel syndrome (IBS) is a functional gastrointestinal (GI) disorder characterized by abdominal pain and altered bowel habits. It is estimated to affect 10–22% of the UK population. The use of psychological interventions in IBS is increasingly empirically supported, but little is known about the mechanism of psychological treatment approaches. The present systematic review aimed to investigate the mechanisms of psychological treatment approaches applied to IBS.

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