1. Depression - Causes, Symptoms and Treatment
... characteristic "alterations in the major chemical messenger systems responsible for neuronal transmission namely serotonin, norepinephrine and dopamine"" (Friedman and Anderson, 2010). Zenker (Neurotransmitters and Depression, n.d.) explained that "serotonin is known to be the calming and inhibiting neurotransmitter while dopamine usually regulates the sense of pleasure, satisfaction and reward. However, ... motivation, ability to focus and energy." As a result of this, the monoamine- deficiency hypothesis was formulated which states that, "the underlying pathophysiological basis of de...
- Word Count: 1820
- Approx Pages: 7
- Has Bibliography
- Grade Level: Undergraduate