Myers' Psychology for AP: Unit 3B
Terms in this set (32)
tissue destruction; a brain lesion is a naturally or experimentally caused destruction of brain tissue
EEG scan (electroencephalogram)
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 scan (computed tomography)
a series of x-ray photographs taken from different angles and combined by computer into a composite representation of a slice through the body. AKA cat scan.
PET scan (positron emission tomography)
a visual display of brain activity that detects where a radioactive form of glucose goes while the brain performs a given task.
MRI scan (magnetic resonance imaging)
a technique that uses magnetic fields and radio waves to produce computer generated images of soft tissue. +Scans brain anatomy
fMRI scan (functional MRI)
a technique for revealing bloodflow and, therefore, brain activity by comparing sucessive MRI scans. +Scans show brain function
the oldest part and central core of the brain, beginning where the spinal cord swells as it enters the skull; the brainstem is responsible for automatic survival functions
the base of the brainstem; controls heartbeat and breathing
a nerve network in the brainstem that plays an importand role in controlling arousal
relays messages between lower brain centers and cerebral cortex.
dougnut-shaped neural system (including the hippocampus, 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 (hypo) the thalamus; it directs several maintenance activities (eating, drinking, body temperature), helps govern the endocrine system via the pituitary gland, and it linked to emotion and reward.
linked to memory
ultimate control and information-processing center. the intricate fabric of interconnected neural cells covering the cerebral hemispheres.
cells in the nervous system that support, nourish, and protect neurons
portion of the cerebral cortex lying just behind the forehead; involved in speaking and 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 poisition
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 processes 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 to Wernicke'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 comprehension and expression; usually in the left temporal love.
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
a condition resulting from surgery that isolates the brain's two hemispheres by cutting the fibers (mainly 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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