JACOPIN / BSIP / SCIENCE PHOTO LIBRARY JACOPIN / BSIP / SCIENCE PHOTO LIBRARY
Human brain anatomy. Artwork of a sagittal section through the human brain. The front of the brain is at left. The folded area, the majority of the brain, is the cerebrum, where conscious thought and higher functions take place. Highlighted is the nucleus accumbens, which is involved in motivation, reward and addiction. At bottom right is the cerebellum, which is responsible for functions such as balance and posture. To the left of the cerebellum is the brainstem, which connects to the spinal cord and controls physiological functions such as breathing. The curved structure at centre is the corpus callosum, which links the two hemispheres.
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