PSYCHOLOGY OF EMOTIONS

Detailed explanation-1: -Low doses of barbiturates can lower anxiety levels and relieve tension. Higher doses can decrease the heart rate and blood pressure.

Detailed explanation-2: -Barbiturates slow down the central nervous system and cause sleepiness.

Detailed explanation-3: -Barbiturates are drugs used to prevent and treat anxiety and anxiety-related disorders. They act by depressing the central nervous system, particularly certain portions of the brain. Barbiturates mainly work by affecting the inhibitory neurotransmitters in the brain.

Detailed explanation-4: -The primary mechanism of action of barbiturates is inhibition of the central nervous system. It causes central nervous system depression. This is brought about by stimulating the inhibitory neurotransmitter system in the brain called the [gamma]-aminobutyric acid (GABA) system.

Detailed explanation-5: -Most CNS depressants act on the brain by increasing activity of gamma-aminobutyric acid (GABA), a chemical that inhibits brain activity. This action causes the drowsy and calming effects that make the medicine effective for anxiety and sleep disorders.