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15 Cards in this Set
- Front
- Back
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Corpus callosum
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the bundle of nerve fibers connecting the brains two hemispheres
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Amygdala
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an almond shaped part of the limbic system linked to the regulation of emotional responses; esp fear
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Hippocampus
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a curved forebrain structure that is part of the limbic system and is involved in learning and forming new memories
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All or nothing law
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the principal that either a neuron is sufficiently stimulated and an action potential occurs or a neuron is not sufficiently stimulated and an action potential does not occur
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Endorphins
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chemical substances in the nervous system that reduce the perception of pain
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Neurotransmitters
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chemical transmitters manufactured by a neuron. ex- dopamine is linked to schizophrenia
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Sympathetic nervous system
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branch of the automatic nervous system that produces rapid physical arousal in response to perceived emergencies or threats
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Parasympathetic nervous system
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branch of the nervous system that calms the body, maintains bodily functions, and conserves energy
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Hypothalamus
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small brain structure beneath the thalamus that helps govern the release of hormones by the pituitary gland and regulates drive such as hunger and thurst
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Cerebral cortex
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a thin surface layer on the cerebral hemisphere that regulates most complex behavior, including sensations, motor control, and higher mental processes such as decision making
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Cerebral hemisphere
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the nearly symmetrical left and right halves of the cerebral cortex.
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Left hemisphere
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specializes in verbal and analytical functions
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Right hemisphere
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specializes in nonverbal abilities such as art, music and visual tasks
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Neuron
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a nerve cell responsible for receiving and transmitting information in electrical and chemical forms.
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Myelin sheath
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a white fatty covering wrapped around the axons of some neurons, which increases the rate at which nerve impulses travel along the axon
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