Area postrema
A brainstem area near the chemoreceptor trigger zone that has little to no blood-brain barrier, allowing it to sense chemicals in the bloodstream and trigger reflexes like vomiting.
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Videos Mentioning Area postrema
How to Optimize Your Brain-Body Function & Health
Andrew Huberman
A small, critical area in the brainstem without a blood-brain barrier, containing neurons that sense blood chemistry (pathogens, acidity) and trigger the vomiting reflex as a protective mechanism.
The Science of Hunger & Medications to Combat Obesity | Dr. Zachary Knight
Andrew Huberman
A brainstem region, a circumventricular organ where the blood-brain barrier is weakened, that receives vagal input and is thought to be involved in the nausea side effect of GLP-1 drugs.
Improving Health With Stronger Brain-Body Connection | Huberman Lab Essentials
Andrew Huberman
A brainstem area near the chemoreceptor trigger zone that has little to no blood-brain barrier, allowing it to sense chemicals in the bloodstream and trigger reflexes like vomiting.