biological basis of anxiety and depression

Question 1

what is anxiety?

Answer 1

a normal physiological response to stress; experience feelings of fearfulness, apprehension, terror

Question 2

how does anxiety differ from anxiety disorders?

Answer 2

anxiety disorders experience an intensity of feelings disproportionate to the danger

Question 3

how to treat anxiety disorders

Answer 3

mainly use antidepressants with serotonergic or noradrenergic action

Question 3

how to treat anxiety disorders

Answer 3

mainly use antidepressants with serotonergic or noradrenergic action

Question 4

what is the monoamine theory of depression?

Answer 4

predicts that the underlying basis of depression is a depletion in the levels of serotonin, norepinephrine, and/or dopamine in the central nervous system.

Question 5

how does the monoamine theory underpins current treatments of depression?

Answer 5

known as the monoamine oxidase inhibitor (MAOI), MAO prevents the breakdown of the released neurotransmitters, therefore increasing their action in the synapse (dopamine, noradrenaline and 5HT