"Uncovering the Brain's Fear Switch and How to Disable It"

Scientists have discovered a "fear switch" in the brain that can be turned off, offering potential insights into treating anxiety and stress disorders. By studying mice, researchers found that a severe fright triggers a switch in neurotransmission from glutamate to GABA, sustaining a fear response. They also identified methods to suppress this switch, including using a virus to suppress the gene responsible for making GABA and administering the antidepressant fluoxetine immediately after a fright. This research provides a promising start towards developing targeted and specific interventions for fear-related disorders.