BIOD27H3 Chapter Notes -Parietal Lobe, Diencephalon, Midbrain
29 Jun 2011
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Thicker cortex"s help us to perform higher processes(awareness, analysis of perception) the cortex decodes information and decides how it will respond. How the brain is protected and maintains its function: bone protects the central nervous system (cns): cranium protects the brain and vertical. Contains veins that drain blood (away from the brain) through sinuses (cavities); forms the outside protective layer: arachnoid mater (loose) Pia mater (thin); tightly associated with the brain. Contains arteries that supply blood to the brain. The spinal cord: major pathway for information flowing between brain, skin, joints, muscles, carries neural network for locomotion, provides communication between the brain and the rest of the body, divided into 4 regions: Functions of the brain stem: consists of: Swallowing and vomiting: pons bridge: relay between cerebellum and cerebral cortex & medulla oblongata and the brain. Primary relay circuit between cerebellum and cerebral cortex. Co-ordinates execution of movement, receives inputs from sensory neurons of the body,
