CLAUS LUNAU / SCIENCE PHOTO LIBRARY CLAUS LUNAU / SCIENCE PHOTO LIBRARY
Thalamus gland in the brain. Computer illustration of a human brain with most of the left hemisphere removed, showing the thalamus (orange). Front is at left. The thalamus lies between the cerebral cortex and midbrain, and consists of two symmetrical halves. It is involved in multiple functions including relaying sensory and motor signals to the cerebral cortex, and the regulation of consciousness, sleep and alertness.
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