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26 Cards in this Set
- Front
- Back
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Neurons
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cell send/receive messages
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Nerves
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bundle of nerve fibers that travel together
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Dendrite
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receive message
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Soma
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cell body w/nucleus
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Axon
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tube like, carries/sends messages to neurons.
myelin sheath - protective coating, speed up. Not on all. |
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Axon Terminal
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End of Axon
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Terminal buttons
Synaptic Knobs |
Send message to Dendrite of another neuron.
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Synapse
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One successful message between Terminal buttons and Dendrite.
(lock & key) |
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synaptic vesicles
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carry chemicals
ex. serotonin |
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neurotransmitters
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chemicals
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Space, Cleft, Gap
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neurotransmitters are released here
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Excitatory neurotransmitters
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"fire up" send messages on the receiving neuron
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Inhibitory Neurotransmitter
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"shut down" stop messages to receiving neuron
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Acetylcholine
Ach |
Arousal, Attention, Alzheimers
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Serotonin
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Mood, Sleep, Appetite
∨Depression ∧Aggression |
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Dopamine
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Voluntary Movement and sensation
∨Parkinson ∧Schizophrenia |
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Endorphins
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Natural morphine, pain controller
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reuptake
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neurotransmitters are sucked back in to synaptic vesicle except serotonin, in muscles, which is broken up by enzymes to clear cleft quickly. (SSRI)
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Agonist
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Enhance neurotransmitter
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Antagonist
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Block neurotransmitter
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Central Nervous System
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Brain, Spinal Cord, Neurons
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SAME
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Sensory (Afferent) neurons- receive & carry messages from senses to spinal cord.
Motor (Efferent) neurons- receive & carry messages from spinal cord to muscles/glands |
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Temporal Lobe
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Auditory Cortex (Liz Ordner)
bottom left |
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Occipital Lobe
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Visual
bottom back |
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Parietal Lobe
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Sensory
top-ish |
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Frontal Lobe
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Personality, Motivation, Decision
1848 Phinenus Frontal Lobotomy |
