Eye Movements Suppress Fear-related Amygdala Activity

by Colleen Fleiss on  September 5, 2018 at 1:40 AM Research News
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Eye Movement Desensitization and Reprocessing (EMDR) - the widely used yet controversial psychotherapy technique suppresses fear-related amygdala activity during recall of a traumatic memory, revealed two human experiments published in JNeurosci.
Eye Movements Suppress Fear-related Amygdala Activity
Eye Movements Suppress Fear-related Amygdala Activity

Despite being a common and evidence-based therapy, Eye Movement Desensitization and Reprocessing (EMDR) -- discovered serendipitously in 1987 by a psychologist while walking in the woods -- it is unclear whether the eye movements in this treatment provide any additional benefits to patients struggling with fear-related disorders that are not readily achieved through traditional exposure therapy.

Investigating the neurobiological mechanisms underlying EMDR in healthy men and women, Lycia de Voogd and colleagues found that both side-to-side eye movement and a working memory task independently deactivated the amygdala -- a brain region critical for fear learning. The researchers show in a second experiment that this deactivation enhanced extinction learning -- a cognitive behavioral technique that reduces the association between a stimulus and a fear response. The reduced amygdala activity is thought to be a consequence of less available resources since they are dedicated to making eye movements.

Source: Eurekalert

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