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Neuron
- Nerve cells
- What brain uses to process information
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Cell Body
Part of neuron that holds nucleus
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Dendrites
- Retrieve info from other neurons
- Long branch like things
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Axon
Thin strands that info travels down in neuron
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Action Potential
More positive ions in cell than negative
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Resting Potential
More negative ions in cell than positive
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Graded Potential
The switch of positive negative transmissions
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Synapse
Space in between neurons
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Terminal Boutons
- On end of neuron
- Releases neurotransmitters
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Neurotransmitter
Chemical activating other neurons
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Parkinsons Disease
Disease where someone has low level of dopamine
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Acetylcholine
- Memory, Arousal, attention, motivation
- In PNS and CNS
- Found at junction of nerves and muscles
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Norephinephrine
Learning, memory, mood
Depression
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Dopamine
- Movement, learning attention, emotions
- Schizo
- Depression
- Parkinsons
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Serotonin
- Sleep, mood hunger arousal
- Depression
- Anorexia
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GABA
- Hunger, sleep
- found in synapses
- Anxiety
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Endorphines
- Emotions and pain
- Mimicked by opiates
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Excitatory Neurotransmitter
Brings dendrites closer to threshold by letting positive ions in
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Inhibitory Neurotransmitter
Moves dendrites away from threshold by negative ions rushing in
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