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The visual system is the part of the nervous system which allows organisms to see. ... The auditory system is the sensory system for the sense of hearing. ... The olfactory system is the sensory system used for olfaction. ... The gustatory system is the sensory system that uses taste buds (or lingual papillae) on the upper surface of the tongue to provide information about the taste of food being eaten. ... Somatic sensation consists of the various sensory receptors that trigger the experiences labelled as touch or pressure, temperature (warm or cold), pain (including itch and tickle), and the sensations of muscle movement and joint position including posture, movement, and facial expression (collectively also called proprioception). ... This does not cite any references or sources. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Brocas area is the section of the human brain (in the opercular and triangular sections of the inferior frontal gyrus of the frontal lobe of the cortex) that is involved in language processing, speech production and comprehension. ... The human brain is separated by a longitudinal fissure, separating the brain into two distinct cerebral hemispheres. ...
A 19th century Phrenology chart. ... Cybernetics is the study of feedback and derived concepts such as communication and control in living organisms, machines and organisations. ... Connectionism is an approach in the fields of artificial intelligence, cognitive science, neuroscience, psychology and philosophy of mind. ... A typical phrenology chart depicts the modules of the human mind as compartmentalised physical locations in the brain. ... Garry Kasparov playing against Deep Blue, the first machine to win a chess game against a reigning world champion. ... The Society of Mind is the book and theory of natural intelligence as written and developed by Marvin Minsky. ...
Infections - The brain is susceptible to viral, bacterial, and fungal infections.
One extremely rare infection of the brain that causes dementia is Creutz-feldt-Jakob disease, transmitted by a special protein (prion) that damages tissue as it replicates (Mad-Cow disease).
Tumors - Abnormal tissue growth (tumors) in the brain can be eit her primary (originating in the brain itself) or metastatic ("seeds" of tissue that originated in a tumor in another part of the body, and have crossed the blood-brain-barrier).
In the brain, DHA is enzymatically combined with phosphatidylserine (and glyceryl-phosphoryl-choline) to form cell membrane phospholipids needed for nerve cell expansion.17 Substantial laboratory research over the past two decades suggests that phosphatidylserines ability to improve cognitive skills is greatly increased in the presence of DHA.
A number of brain researchers, such as Dr. Norman Salem, head of the Laboratory of Membrane Biochemistry and Biophysics at the National Institutes of Health, are convinced that phosphatidylserine with attached DHA is among the most critically important molecules for healthy brainfunction.
Progesterone is synthesized in the brain, spinal cord, and peripheral nerves from pregnenolone.
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