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chapter 2
for test. 2/22
17
Psychology
11th Grade
02/22/2011

Additional Psychology Flashcards

 


 

Cards

Term
Neuron:
Definition
Individual nerve cell; 100 billion in brain
Term
Dendrites:
Definition
Receive messages from other neurons
Term
Soma:
Definition
Cell body; body of the neuron
Term
Axon:
Definition
Carries information away from the cell body
Term
Axon Terminals:
Definition
Branches that link the dendrites and soma of other neurons
Term
Resting Potential:
Definition
inactive neuron
Term
threshold
Definition
trigger point
Term
Action Potential:
Definition
Nerve impulse
Term
Ion Channels
Definition
tiny holes
Term
Negative After-Potential:
Definition
less willing to fire
Term
Synapse:
Definition
space between two neurons
Term
Afferent neurons (sensory)
Definition
Relay information from the senses to the brain and spinal cord
Eyes, ears, nose, mouth, and skin
Term
Afferent neurons (sensory)
Definition
Relay information from the senses to the brain and spinal cord
Eyes, ears, nose, mouth, and skin
Term
Afferent neurons (sensory)
Definition
Relay information from the senses to the brain and spinal cord
Eyes, ears, nose, mouth, and skin
Term
Efferent neurons (motor)
Definition
Send information from the central nervous system to the glands and muscles
Enables the body to move
Term
Interneurons
Definition
Carry information between neurons
In the brain
In the spinal cord
Term
Neurotransmitters
Definition
brain chemicals
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