Anxiety and depression: Your brain may have a warning system that suppresses unwanted thoughts

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Researchers have identified a signal in the brain that may suppress unwanted memories, which could lead to treatments for OCD, anxiety and depression



Mind



28 April 2022

Neurologist doctor analysing nervous system using eeg headset scanning woman brain. Scientist researcher using high tech developing neurological innovation, monitoring side effects on monitor screen; Shutterstock ID 1955759332; purchase_order: -; job: -; client: -; other: -

Using an EEG headset to scan someone’s brain

Shutterstock/DC Studio

Humans may have a warning system in the brain that helps suppress unwanted thoughts. Having a better understanding of how this system works could one day lead to treatments for obsessive compulsive disorder (OCD) or PTSD.

Michael Anderson at the University of Cambridge and his colleagues analysed the brain scans of 24 Chinese-speaking people as they completed a memory suppression task.

The researchers asked them to memorise 48 pairs of Chinese words. Each person then had electroencephalography (EEG) electrodes attached to their head …



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