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AP Psychology Unit 3B Vocab
Terms in this set (33)
tissue destruction; a naturally or experimentally caused destruction of brain tissue.
an amplified recording of the waves of electrical activity that sweep across the brain's surface. These waves are measured by electrodes placed on the scalp.
CT (computed tomography) scan
a series of X-ray photographs taken from different angles and combined by computer into a composite representation of a slice thorugh the body.
PET (position emission tomography) scan
a visual display of brian activity that detects where a radioactive form of glucose goes while the brain performs a given task
MRI (magnetic resonance imaging)
a technique that uses magnetic fields and radio waves to produce computer-generated images of soft tissue; show brain anatomy
fMRI (funtional MRI)
a technique for revealing bloodflow and, therefore, brain activity by comparing successive MRI scans; shows brain function
the oldest part and central core of the brain, beginning where the spinal cord swells as it enters the skull; responsible for automatic survival functions
the base of the brainstem; controls heartbeat and breathing
a nerve network in the brianstem that plays an important role in controlling arousal
the brain's sensory switchboard, located on top of the brainstem; it directs messages to the sensory receiving areas in the cortex and transmits replies to the cerebellum and medulla
the "little brain" at he rear of the brainstem; functions include processing sensory input and coordinating movement out-put and balance
doughnut-shaped neural system (including the himppocampus, amygdala, and hypothalamus) located below the cerebral hemispheres; associated with emotions and drives
two lima bean-sized neural clusters in the limbic system; linked to emotion
a neural structure lying below the thalamus; it directs several maintenance activites (eating, drinking, body temperature), helps govern the endocrine system via the pituitary gland, and is linked to emotion and reward
the intricate fabric of interconnected neural cells covering the cerebral hempispheres; the body's ultimate control and information- processing center
cells in the nervous system that support, nourish, and protect neurons
portion of the cerebral cortex lying just behind the forehead; involved in speaking muscle movements and in making plans and judgements
portion of the cerebral cortex lying at the top of the head and toward the rear; receives sensory input for touch and body position
portion of the cerebral cortex lying at the back of the head; includes areas that receive information from the visual fields
portion of the cerebral cortex lying roughly above the ears; includes the auditory areas, each receiving information primarily from the opposite ear.
an area at the rear of the frontal lobes that controls voluntary movements
area at the front of the parietal lobes that registers and precesses body touch and movement sensations
areas of the cerebral cortex that are not involved in primary motor or sensory functions; rather, they are involved in higher mental functions such as learning, remembering, thinking, and speaking
impairment of language, usually caused by left hemisphere damage either to Broca's area (impairing speaking) or Wernickie's area (impairing understanding)
controls language expression- an area, usually in the left frontal lobe, that directs the muscle movements involved in speech
controls language reception- a brain area involved in language comprehansion and expression; usually in the left temporal lobe
the brain's ability to change, especially during childhood, by reorganizing after damage or by building new pathways based on experience
the formation of new neurons
the large band of neural fiber connecting the two brain hemispheres and carrying messages between them
a condition resulting from surgery that isolates the brain's two hemispheres buy cutting the fibers (mainly those of the corpus callosum) connecting them
our awareness of ourselves and our environment
the interdisciplinary study of the brain activity linked with cognition (including perception, thinking, memory, and language).
The principle that information is often simultaneously processed on separate conscious and unconscious tracks
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