Examlex
The gradient of streams is higher at headwaters than at the mouth of a river.
Memory
The process by which information is encoded, stored, and retrieved, allowing individuals to retain knowledge and experiences over time.
Emotion
A complex reaction pattern, involving experiential, behavioral, and physiological elements, by which an individual attempts to deal with a personally significant matter or event.
Substantia Nigra
A region of the brain involved in movement and reward, known for its role in disorders such as Parkinson's disease.
Dopamine
A neurotransmitter in the brain associated with pleasure, movement, and the reward system.
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