The bed nucleus of the stria terminalis is a cluster of grey matter at the front end of the stria terminalis, near the anterior commissure. It is often grouped with the amygdala as the extended amygdala.
| Location | Basal forebrain, around the anterior commissure and lateral to the septal area |
|---|---|
| Parts |
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| Connections |
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| Blood Supply | Anterior cerebral and anterior choroidal artery branches |
Drives sustained anxiety and stress hormone responses to uncertain threats, and helps regulate feeding and sexual behaviour.
Research links it to chronic anxiety, post-traumatic stress disorder and relapse in addiction. Some subregions differ in size between sexes.
Persistent threat responses in which the bed nucleus is thought to play a role.
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