EVAN OTO / SCIENCE PHOTO LIBRARY EVAN OTO / SCIENCE PHOTO LIBRARY
An illustration of a coronal (frontal) section of the brain, depicting the regions of the brain which respond to painful stimuli. The thalamus (central region) interprets sensory signals and relays them to the cerebral cortex to distinguish painful and non-painful stimuli. The cingulate cortex (upper-most region) coordinates the sensory input of pain with emotional responses. The insular cortex (outermost region) is involved with the body's experience with pain or emotional experiences of fear. The hippocampus (bottom region) has been known to respond to severe long-term traumatic stress.
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