Critically consider the degree to which endogenous opioids and their receptors are involved in pleasure responses

Choose one of the questions below

Section B:

3. “Alterations in Serotonin reuptake transporters (SERT) and specific serotonin receptors play a critical role in the aetiology of affective disorders”. With a focus on SERTs and/or serotonin receptors consider to what extent this statement is true.

4. Critically consider the degree to which endogenous opioids and their receptors are involved in pleasure responses