The sense of euphoria from low doses of barbiturates is chiefly due to __________.

Question

Quizplus · Accepted Answer

Low doses of barbiturates tend to disinhibit the cerebral cortex, which can create a sense of euphoria. This is because the drug reduces the inhibitory action of GABA (gamma-aminobutyric acid) on neural activity in the brain, leading to increased excitability in certain areas. However, higher doses can lead to more serious effects, such as respiratory depression and even coma.

The Sense of Euphoria from Low Doses of Barbiturates Is