Studies show that approximately two thirds of people with IBS respond well to hypnotherapy. However, researchers from Manchester have looked into ways of making the intervention more time and cost-effective by seeing whether there is a way to predict who will be most likely to respond well to treatment using hypnotherapy. Based on previous studies showing that IBS patients respond better to hypnotherapy where colour images of their illness are used, they hypothesised that the relationship between colour and mood might be a predictor to therapeutic outcome.
The researchers measured mood colour relationship using the Manchester Colour Wheel (MCW). This device has been validated to measure the positive, neutral and negative attributions of colour perception as it relates to mood. The study also measured a number of other parameters that included anxiety and depression levels using the Hospital Anxiety and Depression scale (HAD) and high, medium or low hypnotisability using the Tellegen Absorption Scale (TAS).
Looking at a cohort of 156 IBS patients they discovered that those who had a positive mood colour rating responded significantly better to hypnotherapy than those with a neutral or negative mood colour rating. Independent of the mood colour rating the researchers also found that those presenting with a high TAS score or a score of anxiety on the HAD also achieved significantly better outcomes.
Reference: Carruthers HR, Morris J, Tarrier N and Whorwell PJ (2010) Mood color choice helps to predict response to hypnotherapy in patients with irritable bowel syndrome BMC Complementary and Alternative Medicine 10 (1):75
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