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23 Cards in this Set
- Front
- Back
Name the 3 major regions of the brain
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1. forebrain
2. midbrain 3. hindbrain |
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What brain structures form the forebrain?
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the cerebrum (the cerebral hempispheres: the cortex, white matter, and basal nuclei) and the diencephalon (the thalamus, the hypothalamus, and the epithalamus)
(lateral ventricles) (third ventricles) |
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What brain structures form the midbrain?
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the brain stem: midbrain
(cerebral aqueduct) |
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What brain structures form the midbrain?
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brain stem: pons
cerebellum brain stem: medulla oblongata (fourth ventricle) |
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The Primary Somatosensory Cortex
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Location: the postcentral gyrus of the parietal lobe
Function: receives impulses from the body's sensory receptors (such as those for pressure, pain, and temperature) |
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Somatosensory Association Cortex
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Location: posterior to the primary somatic sensory cortex on the parietal lobe
Function: allows you to become aware of pain, coldness, a light touch, and the like |
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Primary Motor Cortex
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Location: precentral gyrus of the frontal lobe
Function: responsible for conscious or voluntary movement of the skeletal muscles |
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Broca's Area
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Location: found at the base of the precentral gyrus just above the lateral sulcus
Function: controls muscles responsible for the production of speech (works with the primary motor cortex). articulation center. |
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Wernicke's Area
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Location: on the left parietal lobe, posterior to the lateral fissure (located on left side only)
Function: an area in which unfamiliar words are sounded out. speech center. |
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Frontal Lobe
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associated with reasoning, planning, parts of speech, movement, emotions, and problem solving
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Parietal Lobe
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associated with movement, orientation, recognition, perception of stimuli
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Occipital Lobe
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associated with visual processing
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Temporal Lobe
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associated with perception and recognition of auditory stimuli, memory, and speech
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Central Sulcus
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Separates the Frontal Lobe from the Parietal Lobe
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Lateral Sulcus
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Separates the Temporal Lobe from the Parietal Lobe
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Parieto-occipital Sulcus
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on the medial surface of each hemisphere divides the occipital lobe from the parietal lobe
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Precentral Gyrus
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It is the location of the motor strip that controls voluntary movements of the contralateral side of the body
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Postcentral Gyrus
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It is the location of the primary somatosensory cortex, the main sensory receptive area for the sense of touch
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Cerebellum
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is a region of the brain that plays an important role in motor control. It may also be involved in some cognitive functions such as attention and language, and in regulating fear and pleasure responses, but its movement-related functions are the most solidly established
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Pons
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consists primarily of motor and sensory fiber tracts connecting the brain with lower CNS centers
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Medulla Oblongata
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this structure is the caudal-most part of the brain stem, between the pons and spinal cord. It is responsible for maintaining vital body functions, such as breathing and heartrate
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Longitudinal Fissure
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Separates the Left Hemisphere from the Right Hemisphere
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Cerebral Cortex
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the outer layer of the cerebrum (the cerebral cortex ), composed of folded gray matter and playing an important role in consciousness
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