he Cerebral Cortex

he Cerebral Cortex - 1.2 When stimulating specific body...

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he Cerebral Cortex 1. Structure of the Cortex 1. The cerebral cortex is an intricate covering of interconnected neural cells that form a thin surface layer on your cerebral hemispheres. It is the control and information-processing center. 2. 80% of the brain’s weight is the ballooning of the right and left hemispheres. 3. Glial cells guide neural connections, provide nutrients and insulating myelin, and mop up ions and neurotransmitters. 4. The frontal lobes are behind the forehead and the parietal lobes are at the top and to the rear. The occipital lobes are at the back of the head and the temporal lobes are just above the ears. 5. Each lobe carries out many functions that require the interplay of several lobes. 2. Functions of the Cortex 1. Motor Functions 1.1. Stimulation only caused movement when applied to an arch- shaped region at the back of the frontal lobe.
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Unformatted text preview: 1.2. When stimulating specific body parts they move on the opposite side of the brain. 1.3. The brain has no sensory receptors. 1.4. The body parts that require the most control have larger surface areas Penfield’s Sensory Map. 1.5. Sensory Functions 1.6. The area parallel to the motor cortex and behind it at the front of the parietal lobes is the sensory cortex. 1.7. Sounds are processed by the auditory areas in the temporal lobes. 2. Association Areas 2.1. Association Areas are the areas of the cerebral cortex that are not involved in primary motor or sensory functions. 2.2. Electrically probing the association areas doesn’t trigger any observable response. 2.3. The association areas are not dormant. 2.4. The association areas interpret, integrate, and act on information processed by the sensory areas....
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