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Neurons
n/a
23
Psychology
Undergraduate 1
10/01/2009

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Cards

Term
Structure of a neuron that recieves information from receptors (eyes, ears, skin) or other neurons
Definition
Dendrites
Term
What component of a neuron is involved in the energy regulation processes of the cell?
Definition
Soma
Term
Once a signal has been recieved by the dendrites it passes thru what?
Definition
the soma
Term
What part of the neuron transmits electrical signals to the other neurons and muscles and glands?
Definition
Axon
Term
What is another name for the cell body?
Definition
the soma
Term
What are the "knobs" on the axons?
Definition
Terminal Branches
Term
What stores neurotransmitters prior to their release?
Definition
Terminal branches
Term
What is involved in transmitting a chemical and an electrical signal from one neuron to the next?
Definition
Terminal branches
Term
What is the fatty protein substance that surrounds the axon?
Definition
The myelin sheath
Term
What serves as the "electrical tape" that insulates the axon?
Definition
The myelin sheath
Term
What are the functions of the glial cells?
Definition
removing waste, occupying vacant space when neurons die, guiding migration of neurons during brain development
Term
Where are the glial cells located?
Definition
In the myelin sheath
Term
When a terminal branch sends the signal to the dendrite, there is a gap, what is the gap called?
Definition
A synapse
Term
What component of the neuron holds neurotransmitters?
Definition
Vesicles
Term
What is the chemical substance stored in the terminal buttons and released in the synapse between two neurons to carry signals from one neuron to the next?
Definition
neurotransmitter
Term
Which neurotransmitter plays a role in weight regulation, sleep, depression, suicide, OCD, and aggression?
Definition
Serotonin
Term
If you have low levels of serotonin what might happen?
Definition
Become depressed, commit suicide...
Term
Drugs that promote or enhance theoperation of a neurotransmitter
Definition
Agonist
Term
Drugs that inhibit the effects of a particular neurotransmitter
Definition
Antagonist
Term
"Natural Painkillers" that Reduce sensation of pain and induce feelings of relaxation, exhilaration, and euphoria
Definition
endorphins
Term
Method for clearing the synapse that takes the neurotransmitter back into the vesicles of the terminal branches from where it came
Definition
reuptake
Term
Drugs that create a bizarre reaction
Definition
Psychodelic drugs (LSD, etc.)
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