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28 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Studies the links among the brain, nervous system, and behavior
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Behavioral Neuroscience
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The role of biology in a person's development
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Nature
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The role of the environment in a person's development
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Nurture
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Specialized cells that receive information from the environment
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Receptor Transducer cells
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Translate the nerve signals into something that has an outward effect
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Effector Transducer cells
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There are about 100 billion in a human
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Neuron
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A bundle of neurons axons running together
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Nerve
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Make up 90% of the brain
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Glial cells
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Carry information from the senses to the brain
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Sensory nerves
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Today, most pychologists believe what about the nature/nurture controversy?
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It is a combonation of the 2 that shapes a person.
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How have the roles of nature and nurture been studied?
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Studies of identical twins compared to fraternal twins
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What studies have been compared?
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What are the receptors for vision?
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Rods and Cones
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2 things
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What are the receptors for hearing?
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Hair Cells
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what kind of cells?
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What are 2 examples of sensory nerves?
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Optic Nerves and Auditory Nerves
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What are glial cells?
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nervous system cells that provide structural support, insulation, and nutrients to the neurons
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receives incoming messages
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dendrite
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Axon
Axon Hillock Synaptic Cleft Dendrite |
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where the information is combined
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Axon hillock
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Synaptic cleft
vesicles Axon Hillock Neurotransmitter |
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Carries outgoing message from soma to synapse
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Axon
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Synaptic cleft
Axon Vesicles Neurotransmitter |
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Messages being sent from one neuron to another must pass through here
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Synaptic cleft
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Myelin sheath
Axon Dendrite Synaptic cleft |
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Small sacs in the axon terminal
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Vesicles
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Neurotransmitter
Action Potential Vesicles Myelin sheath |
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Chemical messenger between neurons
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Neurotransmitter
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Neurotransmitter
Myelin sheath Action potential Axon hillock |
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Insulates the axon and speeds the action potential
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Myelin sheath
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Action Potential
Neurotransmitter Myelin sheath Action potential |
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Occurs when the axon is said to depolarize
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Action potential
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Dendrite
Axon hillock axon action potential |
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Indoming messages can be either __________ meaning... or _________ meaning...
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excitatory meaning they tell the cell to send its own message OR inhibitory meaning they tell the cell NOT to send its own message
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True OR False: Once the action potential is fired, it travels down the axon at varying sizes.
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False
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The central nervous system is composed of what 2 things?
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brain and spinal cord
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The hindbrain is composed of what 4 things?
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medulla
pons reticular formation cerebellum |
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In what order did the structures of the central nervous system evolve?
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lower, middle, then cerebral cortex
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