BIOLOGICAL BASES OF BEHAVIOR
THE NERVOUS AND ENDOCRINE SYSTEMS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
serotonin
|
|
|
dopamine
|
|
|
GABA
|
|
|
glutamate
|
Detailed explanation-1: -Serotonin is a chemical that carries messages between nerve cells in the brain and throughout your body. Serotonin plays a key role in such body functions as mood, sleep, digestion, nausea, wound healing, bone health, blood clotting and sexual desire.
Detailed explanation-2: -Serotonin is an inhibitory neurotransmitter. Serotonin helps regulate mood, sleep patterns, sexuality, anxiety, appetite and pain.
Detailed explanation-3: -People with clinical depression often have increased levels of monoamine oxidase A (MAO-A), an enzyme that breaks down key neurotransmitters, resulting in very low levels of serotonin, dopamine and norepinephrine.
Detailed explanation-4: -Dopamine system dysfunction is linked to certain symptoms of depression, such as low motivation. Serotonin is involved in how you process your emotions, which can affect your overall mood.
Detailed explanation-5: -Serotonin: Affects mood, hunger, sleep, and arousal. An undersupply is linked to depression. Norepinephrine: Helps control alertness and arousal. An undersupply can lead to depression.