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IMAGE: Impaired proactive inhibition in bulimia nervosa is associated with increased superior frontal gyrus activity.
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Credit: Westwater et al., JNeurosci 2021
Stress alters brain activity in self-inhibition areas yet doesn t trigger binge-eating, according to new research published in
JNeurosci.
People who binge-eat, a hallmark symptom of several eating disorders, can feel out of control and unable to stop, and often binge after stressful events. This led scientists to theorize stress impairs the brain regions responsible for inhibitory control the ability to stop what you are about to do or currently doing and triggers binge-eating.
Westwater et al. tested this theory by using fMRI to measure the brain activity of women with anorexia, bulimia, or without an eating disorder as they completed an inhibitory control task, either while stressed or relaxed. The task entailed pushing a button to stop a moving bar when it reac ....

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