Term
| psychologist study behavior and mental processes from multiple levels, noting how _,_,and _-_ systems work and interact |
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Definition
| biological; psychological; socio-cultural |
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Term
resting potential is when__
occurs because cell membrane is___ |
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Definition
inside is negative, outside is positive
selectively permeable |
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Term
refractory period
what does neuron do? |
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Definition
| the resting pause following an action potential, neuron pumps positively charged ions outside the cell |
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Definition
| triggers an impulse if excitatory signals minus inhibitory signals must exceed a certain intensity |
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Definition
| increasing a stimulus above threshold will not increase neural impulse's intensity |
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Definition
| discovered the junction between 2 neurons (synapse) and its gap (synaptic gap) |
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Definition
| electrically charged atoms |
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Definition
influences movement, learning, attention, and emotion
if lost causes tremors of Parkinson's disease
too much leads to schizophrenia |
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Definition
affects mood, hunger, sleep, and arousal
undersupply linked depression |
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Term
norepinephrine
bad effects? |
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Definition
an inhibitory neurotransmitter helps controls alertness and arousal
under supply is liked to seizures, tremors, and insomnia; can depress mood |
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Term
Gammaaminobutyric acid (GABA)
bad effects? |
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Definition
involved in memory. major inhibitory NM
undersupply linked to seiures, tremours, and insomnia |
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Term
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Definition
a neurotransmitter that is important in muscle contraction, learning, and memory
Alzheimer's caused by deteriorated ach neurons |
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Definition
naturally occurring opiate-like neurotransmitters that are present in the brain
natural painkillers, discomfort fatigue expected not experienced |
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Term
| when brain is flooded with these drugs it may stop producing these neurotransmitters |
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Definition
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Term
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Definition
drugs that produce their effects by mimicking neurotransmitters
they excite |
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Term
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Definition
drugs that block the effects of neurotransmitters by occupying their receptor sites
they inhibit an NMs release |
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Term
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Definition
| drugs that create a temporary high by mimicking the endorphins |
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Definition
| a poison that produces paralysis by blocking the activity of the neurotransmitter ACh |
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Term
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Definition
a major excitatory NM; involved in memory
oversupply over stimulates brain, migraines or seizures |
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Term
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Definition
| influences neurons either by exiting or inhibiting their readiness to fire |
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Term
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Definition
| the body's speedy electrochemical communication network, consisting of all the nerve cells of the peripheral AND CENTRAL NERVOUS SYSTEM |
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Term
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Definition
| the sensory and motor neurons that link the cns to the rest of the body |
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Definition
| sensory and motor axons that are bundled into electrical cables |
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Definition
| neurons that carry incoming info from the sense receptors to the central ns |
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Definition
| neurons that carry outgoing info from central ns to the muscle and glands |
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Term
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Definition
a simple automatic, inborn response in a sensory stimulus,
has simplest neural pathways |
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Term
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Definition
| performs complex computations, where neurons in the brain cluster into work groups |
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Term
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Definition
| chemical messengers. are produced in one tissue and are affect the other |
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Term
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Definition
| secrete the adrenaline hormones which help arouse the body in times of stress |
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Term
| these help regulate growth and release of hormones by other endocrine glands |
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Definition
| pituitary gland and hypothalamus |
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Term
| strong stimulus can increase the |
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Definition
| number of times a neuron fires or the number of neurons firing |
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Definition
| studies relation between biology and psychology |
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Definition
| voluntary movements, controls the bodys skeletal muscles |
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Term
| a neuron will generate action potentials more often when it |
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Definition
| receives more excitatory than inhibitory inputs |
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