Science & Nature · 2
What is the mechanism by which benzodiazepines reduce anxiety?
Answer
They enhance GABA's inhibitory effects at GABA receptors
Benzodiazepines enhance GABA's effects by binding to benzodiazepine receptors on GABA-A receptors, increasing the frequency of chloride channel opening. This potentiates GABA's inhibitory signaling, reducing neuronal excitability throughout anxiety-processing brain circuits. The amygdala—which contains high-density benzodiazepine receptor sites—is particularly affected, explaining the rapid anxiolytic effects.
💡 Did you know?
Benzodiazepines work within minutes by enhancing the brain's natural calming neurotransmitter GABA.
Other options people guess
- They increase dopamine release
- They block glutamate receptors
- They increase serotonin synthesis
Topics
- neuroscience
- pharmacology
- psychiatry
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