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Related Experiment Videos

Suggestion reduces the stroop effect.

Amir Raz¹, Irving Kirsch, Jessica Pollard

¹Columbia University College of Physicians and Surgeons and New York State Psychiatric Institute, MRI Unit in the Department of Psychiatry, Division of Child and Adolescent Psychiatry, New York, NY 10032, USA. ar2241@columbia.edu

Psychological Science

|February 10, 2006

Summary

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Suggestion significantly reduces Stroop interference, even without hypnosis. This indicates that suggestion can overcome the automaticity of the Stroop effect in highly suggestible individuals.

Area of Science:

Cognitive Psychology
Neuroscience

Background:

The Stroop task demonstrates interference between automatic word reading and color naming.
Automatic processes can be difficult to inhibit, posing a challenge for cognitive control.

Purpose of the Study:

To investigate the impact of suggestion on Stroop interference.
To determine if hypnosis enhances the effect of suggestion on Stroop performance.

Main Methods:

Participants completed the Stroop task under different suggestion conditions.
One group received suggestions within hypnosis; the other received suggestions without hypnosis.
Suggestion involved perceiving Stroop words as meaningless symbols.

Main Results:

Suggestion significantly reduced Stroop interference by approximately 45%.

Related Experiment Videos

The reduction in interference was consistent, irrespective of whether hypnosis was induced.

Highly suggestible individuals showed a notable decrease in Stroop inhibition.

Conclusions:

Suggestion is a powerful tool for modulating cognitive automaticity.
Hypnosis is not essential for suggestion to impact Stroop interference.
These findings highlight the potential of suggestion in overcoming automatic cognitive responses.