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34 Cards in this Set
- Front
- Back
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biological psychologists
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concerned with the links between biology and behavior
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What do Psychoogists examine
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how we process information sstem
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Neuron
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a nerve cell basic building block of the nervous system
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Dendrite
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extension of the neuron that receives messages
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axon
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extension of the neuron gives the message
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action potential
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a brief electriacal charge that travels down its axon
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threshold
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the level of stimulation required to trigger a neural impulse
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synapse
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the gap between a neuron and dendrite that brief interruption
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Acetylcholine
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Enables muscle action. learning, and memory
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Dopamine
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Influences movement, learning attention, ad emotion
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Serotonin
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affects mood hunger, sleep and arousal
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Norepinephrine
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Helps control alertness and arousal
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GABA (gamma-aminobutyric acid)
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A major inhibitory neurotransmitter
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Glutamate
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A major excitatory neurontransmitter involved in memory
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Endorphins
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released within morphine are natural opiate released in response to pain and vigorous exercise
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nervous system
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the body's communication network conssiting of all the nerve cells of the peripheral and central nervous system
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central nervous system
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the brain and spinal cord
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peripheral nervous system
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links the cental nervous system with the body's sensory receptors, muscles, and glands
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Nerves
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neural "cables" containing many axons which connects to the central nervous system with muscles, glands, and sense organs.
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Sensory neurons
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carry incoming information from the sense receptors to the central nervous system
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motor neurons
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neurons that carry outgoing information from the central nervous system to the uscles and glands
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interneurons
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neurons that internally communicate and intervene between the sensory inputs and motor outputs
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somatic nervous system
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enables voluntary control of our skeletal muscles
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autonomic nervous system
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controls our glands and the muscles of our internal organs
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NERVOUS SYSTEM leads to
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PERIPHERAL
and CENTRAL (brain and spinial cord) |
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PERIPHERAL leads to
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AUTONOMIC (controls self-regulated action of internal organs and glands )
and SOMATIC (controls voluntary movements of skeletal muscles |
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AUTONOMIC leads to
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SYMPATHETIC (arousing) and PARASYMPATHETIC (calming
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Sympathetic Nervous system
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arouses and expends energy
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Parasmpathetic nervous system
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produces opposite effects of sympathetic nervous system
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Reflex
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an automatic response to a sensory stimulus
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endoctrine system
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a set of glansd that secrete hormones into the bloodstream
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hormones
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chemical messengers that prdocue in one tissue and affect another
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adrenal glands
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help to arous the body in times of stress
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lesion
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destroy
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