lec12-12 - SILVERTHORN Figure 9—11 Primary visual cortex...

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Unformatted text preview: SILVERTHORN Figure 9—11] Primary visual cortex Gurstatory Cortex Primary auditory Olfactory cortex cortex Somatosensory information goes from the body to the thalamus and then to the primary sensory cortex SI Visual information from the retina goes to the thalamus and then to the primary visual cortex. Auditory information from the ears goes to the thalamus, this information is then sent to the primary auditory cortex Taste information from the taste buds is transmitted to the thalmus, from where it is sent to the primary gustatory cortex *Hfllfactory information from the nose goes straight to the olfactory cortex. It does not go through the thalamus before projecting to the cortex. Figure 4-K Basal Ganglia are clusters of cells located in the while matter of the cerebral cortex on the lateral side of the thalamus on the left and the right sides of the body. These structures are involved in the control of movement and some cognitive fimctions. Two well-known diseases that result from the dysfimction of basal ganglia are Parkinsonism and Huntington’s disease. Dopamine and GABA are transmitters used by some of the basal ganglia neurons. In Parkinsonism, dopamine containing cells die. In Huntington’s diseases the problem lies with another transmitter, GABA. Parkinsonism results in poverty of movement while Huntington’s disease causes uncontrolled movements, sometimes pretty violent. NOTE: Ignore{3rd Ed: 303-315} for now. If time permits, we will cover it at the end. 12 ...
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