Neuroscience
Depression is a mood disorder characterized by persistent feelings of sadness, hopelessness, and a lack of interest or pleasure in daily activities. This condition is often associated with alterations in synaptic transmission and neurotransmitter systems, particularly involving serotonin, norepinephrine, and dopamine, which play critical roles in mood regulation. Understanding depression also involves examining its impact on receptor types and their functions, as well as its connections to reward circuits and motivation, and how it is processed within the limbic system.
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