Serotonin hypothesis (1967)

IB Psychology: Serotonin hypothesis (1967)

Although not a "key study," the Serotonin Hypothesis (also known as the 5-HTT Hypothesis) is a key theory used to explain the origins of depression. Coppen"s (1967) original theory argued that a deficit in 5-HTT was the primary cause of depression. His theory was based on finding low levels of metabolites of serotonin in the cerebrospinal fluid of depressed patients. The modern theory argues that dysfunctions of serotonergic...


To access the entire contents of this site, you need to log in or subscribe to it..

Click the free stuff button on the home page to access free pages or check the blog (which is also free).

All materials on this website are for the exclusive use of teachers and students at subscribing schools for the period of their subscription. Any unauthorised copying or posting of materials on other websites is an infringement of our copyright and could result in your account being blocked and legal action being taken against you.