AP PSYCHOLOGY

Detailed explanation-1: -Norepinephrine. Norepinephrine (also called noradrenaline) increases blood pressure and heart rate. It’s most widely known for its effects on alertness, arousal, decision-making, attention and focus.

Detailed explanation-2: -What does norepinephrine do in the body? As a neurotransmitter in your brain and spinal cord, norepinephrine: Increases alertness, arousal and attention. Constricts blood vessels, which helps maintain blood pressure in times of stress.

Detailed explanation-3: -In the brain, norepinephrine increases arousal and alertness, promotes vigilance, enhances formation and retrieval of memory, and focuses attention. It also increases restlessness and anxiety.

Detailed explanation-4: -What Does Norepinephrine Do? Together with adrenaline, norepinephrine increases heart rate and blood pumping from the heart. It also increases blood pressure and helps break down fat and increase blood sugar levels to provide more energy to the body.

Detailed explanation-5: -Orexin (hypocretin): Orexin is a neurotransmitter that is linked to arousal and wakefulness and is almost exclusively produced in the hypothalamus.