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Definition
the tube that extends from the soma and transmits messages to other neurons |
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Definition
| carries signals from body to central nervous system /cns |
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| carries signals from central nervous system to body /opposite of afferent |
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| in peripheral nervous system and carries messages to and from the sense receptors |
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| connects the internal organs and glands |
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| a part of the somatic system and transmit information about external stimulationfrom the skin muscles and joints to the cns |
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| of the somatic system, carries impulses from the CNS to the muscles where they intiate action |
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| a sepcialized cell that transmits neural impulses or messages to other neurons glands and muscles |
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| a number of short branches that projects from the cell body or soma |
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Definition
| Na+ channels open & Na+ enters cell |
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| positive ions pumped out of cells (part of action potential) |
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| a neurotransmitter that is realeased at every synapse and involved in memory and attention. Decreases associated with Alzheimer's disease. Also transmits signals between nerve and muscle. |
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| increases by psycho-timulants . low levels contribute to depression |
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Definition
| mediates the effects of natural rewards (food) and drugs of abuse |
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| important in mood and social behavior. drugs that alleviate depression and axiety. increased levels in synapse |
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Definition
| major excitatory neurotransmitters in the brain. involved in learning and memory |
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| major inhibitory neurotransmitter in brain. drugs that allleviate inside the enchanced activity in GABA |
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Definition
| medulla, pons, reticular formation, cerebellum |
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Definition
| superior/inferior colliculus, substancia nigra |
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Definition
| thalamus, hypothalamus, pituitary gland, limbic system, cerebrum |
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| a neuro structure that controls breathing and some reflexes that help maintain upright posture |
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| above the medulla, important for control of attentiveness and the timing of sleep |
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| a network of neurocircuits that extends from the lower brain stem up the thalamus in the forebrain and travels to some other parts |
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| attached to the rear of the brain stem, slightly above the medulla. coordination of movement. |
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| superior/inferior colliculus |
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Definition
| important for relaying sensory info to the brain |
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| a crucial part of the dapamine-containing pathway |
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| located below the thalamus regulates eating and drinking and sexual behavior |
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| most important gland in the endocrine system ,with this gland the hypothalamus controls the production of hormones |
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| a set of structures that impose additional control over some of the instinctive bahviors regulated by the central core. |
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| part of the limbic system and has a special role in memory |
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| what seperates frontal lobe from parietal lobe |
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| what seperates the frontal lobe from the temporal lobe |
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Definition
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| controls voluntary movements of the body |
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| language deficits caused by brain damage |
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| involved with speech production |
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| where do action potentials take place? |
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Definition
| at the axon where there are special Na+ channels |
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| What does an action potential allow? |
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Definition
| it allows neural signals to travel long distances in the body |
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| where do action potentials occur? |
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Definition
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| The CNS is composed of the brain and ____ ? |
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Definition
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| What are the 3 measures of central tendency? |
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Definition
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| What are the measures of variability? |
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| range and standard deviation |
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