Where is the locus coeruleus located in the brain?
Quick Answer
The locus coeruleus is in the pons of the brainstem. It is a major source of norepinephrine and is involved in alertness, attention, and arousal.
The Full Story
The locus coeruleus is a small nucleus located in the dorsal pons, part of the brainstem. Despite its tiny size, it provides much of the brain’s norepinephrine and has widespread projections throughout the cortex and other brain regions. It helps regulate attention, wakefulness, stress responses, and the brain’s readiness to respond to important events. Because of these broad connections, it is a key focus in research on arousal and cognitive control.
Key Facts
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