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| specialized to recieve information |
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Definition
| a long, thin fiber that transmits signals away from to soma to other neurons or to muscles or glands |
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Definition
| small knobs that secrete neurotransmitters |
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activates motor neurons controlling skeletal muscles
Contributes to the regulation of attention, arousal, and memory
Some are stimulated by nicotine |
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Definition
control of voluntary movement, pleasurable emotions
decreased levels associated with parkinsons disease
overactivity associated with Schizophrina
Cocaine and amphetamines elevate activity at DA synapses |
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Definition
Contributes to modulation of mood and arousal
Cocaine and amphetameines elvevate activity at NE synapses |
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involved in regulation of sleep and wakefulness, eating, aggression
abnormal levels may contribute to depression and obsessive-complusive disorder |
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Definition
Remember opiate drugs in structure and effects
contribute to pain relief and perhaps to some pleasurable emotions |
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| The Peripheral Nervous System |
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Definition
| made up of all those nerves that lie outside the brain and spinal cord |
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| made up of nerves that connect to voluntary skeletal muslces and to sensory receptors |
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| Carry information inward to the central nervous system |
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| carry information outwards from the central nervous system. |
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| The Autonomic Nervous System |
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Definition
| made up of nerves that connect to the heart, blood vessels, smooth muslces and glands |
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| magnetic resonance imaging |
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Definition
| electric simulation of the brain |
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| unconsious functions, a part of the hindbrain |
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| connects the brainstem and the cerebellum. Also contains several clusters of cell bodies involved with sleep and arousal. in the hindbrain |
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| "little brain" cordination of movement and is critical to the sense of equilibrium or balance (the hindbrain) |
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| group of fibers that carry stimulation related to sleep and arousal thorugh brainstem (apart of the midbrain) |
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| fear, agression and emotion |
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| relay station for the brain |
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| connects the two hemispheres |
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Definition
| Responsible for regulating largely unconscious functions such as breathing and circulation |
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