Biological Explanation Of Depression

Question 1

Bunney

Answer 1

Urinary levels of neurodrenaline decreases during depressive episodes

Question 2

Drevets

Answer 2

Serotonin binds to receptors less showing that MOAs is a possible cause of depression

Question 3

Main idea

Answer 3

Due to a low level of MOAs

Question 4

Serotonin

Answer 4

Low levels caused by low sensitivity or too much reuptake
Leads to symptoms such as low mood or anxiety
Also regulates levels of other MOAs

Question 5

Neurodrenaline

Answer 5

Responsible for energy so low levels result in symptoms such as low energy and changes in sleep

Question 6

Dopamine

Answer 6

Responsible for pleasure so low levels results in symptoms such as lack of enjoyment in life and low motivation

Question 7

Delgado

Answer 7

MOAs deletion didn’t make symptoms worse in patients taken medication
This means low levels of S aren’t sufficient for an explanation of depression

Question 8

Versiani

Answer 8

Neruodrenaline oxidase inhibitors reduced symptoms and increased mood