TIM VERNON / SCIENCE PHOTO LIBRARY TIM VERNON / SCIENCE PHOTO LIBRARY
Psychic brain, conceptual image. Artwork showing the human brain and head from the side, with the pineal gland shown. This structure is the small protrusion (orange) shown above the cerebellum, the rounded structure at the rear base of the brain. This gland performs a variety of functions, including the production of the hormone melatonin to regulate sleep patterns. The pineal gland is sometimes called the 'third eye' or the seat of the soul, with psychic and mystical significance attached to it.
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