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Related Flashcards
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Cards In This Set
| Front | Back |
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What are the Principle structures of the forebrain?
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-Cerebral Cortex
-Basal Ganglia Limbic System (Corpus callosum) |
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Name the principle structures of the Diencephalon
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Thalamus
Hypothalamus |
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Name the principle structures of the midbrain
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Tectum
Tegmentum |
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Name the princile structures of the hindbrain
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Cerebellum
Pons Medulla Reticular Formation |
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What are the principle structures of the Spinal nerves?
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Cervical nerves
Thoracic nerves Lumbar nerves Sacral nerves |
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What is the most recently evolved brain structure?
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Cerebrum
-Most rapid change in any organic system known in organic histroy -Largest in most recently evolved history |
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What structure carries out the most complex mental procceses?
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Cerebrum
-sensation, perception, thinking planning Largest brain structure in humans |
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What is the difference between a sulcus and a fissure?
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Fissure = deep
sulcus=shallow crack |
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Describe the attributes of the layers of the cortex
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6 layers
-different layers have different cell types -Density of cells in each layer varies -Differeces in appearance relate to function |
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What are some key differences between the layers of the motor and sensory cortex
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1st three layers of most cortexes integrate functions
-middle layers receive input (so small layer in motor, but thick layer in sensorry) -Layers 5 and 6 are much thicker in the motor cortex because send output |
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How is the cortex organized?
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-Organized in columns,based on the organization, structure and distributions of cells
--> axons tend to project downwards to form tracts -most advanced cells typically on surface (called neocortex, last formed in development) |
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What function is associated with the occipital lobe?
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Vision
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What function is associated with the parietal lobe?
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Tactile, somatosensory
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What function is associated with the temporal lobe?
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Visual, auditory and gustatory
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What function is associated with the limbic lobe?
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Emotional response, drive related behaviours, learning and memory
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