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17 Cards in this Set
- Front
- Back
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Acetylcholine |
Memory, arousal, and muscle contractions. Black widow spider bite releases too much of this and causes convulsions |
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Dopamine |
Controls movement and sensations of pleasure. If too little is released, parkinson's disease |
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Serotonin |
Sleep, mood, anxiety, and appetite. Low levels linked to depression. |
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Glutamate |
Learning, memory formation, synaptic plasticity. Excess results in neuronal damage, head injury, alzheimers and huntington disease |
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Gamma-aminobutyric acid |
produces inhibition in the brain. Calms anxitety. |
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Agonist |
chemical substance that enhances the effects of a neurotransmitter |
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Antagonist |
chemical substance that blocks or reduces the effects of a nerotransmitter |
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ex. antagonist |
a dart that blocks acetylcholine causing paralyzation |
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ex. agonist |
black widow spider bite which enhances acetylcholine causing convulsions |
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endorphins |
controls pain. athletes may injure themselves and not feel it yet. |
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Reuptake |
neurotransmitter suction. sucking the chemicals back into the synaptic vesicles |
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Afferent (sensory) neuron (Access to spinal cord) |
Pain from candle stimulates this which carries message up to interneurons |
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Efferent (motor) neuron (Exit the spinal cord) |
The interneurons send a message out causing the hand to jerk away from candle |
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Somatic nervous system |
Sensory pathway, Voluntary. Skeletal muscles. walking. raising their hand, lifting a flower |
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Autonomic nervous system |
involuntary muscles. organs, glands. sympathetic/parasympathetic. |
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sympathetic division |
fight or flight. stressful situations. bear attack. pupils get bigger |
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parasympathetic division |
eat drink and rest. return to normal functioning after stressful situation ends. slows breathing, constricts pupils. this is why people get hungry AFTER stress is over |
