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30 Cards in this Set
- Front
- Back
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Do humans have the largest brains?
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No. Elephants brains are 13 # and Whales brains are 19#.
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Corticalization
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increase in size and wrinkling of the cortex
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Pet scan
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records the amount of glucose (sugar) used by brain cells
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True or false? Brighter subjects use more energy than poor performers do?
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false
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Central Hemispheres
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two sides or half-globes of cortex
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corpus collosum
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thick band of fibers connecting the two hemispheres of the brain
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What is the cause of a stroke?
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brain tissue becomes blocked causing some brain tissue to die
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what is spacial neglect and how does it affect the patient?
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damage to the right hemisphere which causes patients to pay no attention to the left side of visual space. For example a patient will not eat food on the left side of a plate.
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split-brain operation
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corpus collusum is cut to control severe epilepsy (two brains in one body)
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What is he left brain used for?
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analysis and processing information sequentially
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What is the right brain used for?
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processes information simultaneously and holistically (all at once)
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Occipital Lobes
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primary visual area of the cortex located at the back of the brain
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Parietal Lobes
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Located just above the occipital lobes. Touch, temperature, pressure, and other somatic sensations flow into the somatosensory area on the parietal lobes.
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Temporal Lobes
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Areas that include the site hearing registers in the brain
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Frontal Lobes
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A brain area associated with movement, the sense of smell, and higher mental functions.
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Association Cortex
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Combine and process information from the senses. Help you recognize it and name it. Contributes to higher mental abilites.
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Aphasia
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a speech disturbance resulting in brain damage
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Broca's area
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A language area related to grammar and pronunciation
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Wernick's area
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A brain area related to language comprehension
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Parietal Lobes
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Area of the brain where bodily sensations register
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Subcortex
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All brain structures below the cerebral cortex
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Brainstem
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The lowest portions of the brain, including the cerebellum, medulla, pons, and reticular formation.
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Medulla
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The structure that connects the brain with the spinal cord and controls vitallife functions.
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Pons
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An area on the brainstem that acts as a bridge betwen the medulla and other structures
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Cerebellum
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A brains structure that controls posture and coordination
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Reticular formation
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A netowrk within the medulla and brainstem, associated with attention, alertness, and some reflexes.
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Recticular activating system (RAS)
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A part of the reticular formation that activates the cerebral cortex
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Hypothalamus
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A small area of the brain that regulates emotional behaviors and motives
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Limbic system
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A system in the forebrain that is closely linked with emotional response
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Amygdala
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A part of the limbic system associated with fear responses
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