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Where are Neurons located
Hormones
Nerve Firing
100
What is a branchlike extensions from the cell body; and receives signals from other neurons and passes them to the cell body
What is dendrites
100
Too much of this reward-motivating hormone can cause schizophrenia.
What is Dopamine?
100
The number of directions that an impulse can run through a neuron.
What is one way?
200
A neuron is a _____ in the nervous system.
What is a cell
200
This hormone is located in the brain stem and is involved in arousal and many autonomic processes.
What is serotonin?
200
The ___________ principle prevents a neuron from doing anything between firing and not firing.
What is all-or-nothing?
300
What is the extended fiber of a neuron through which nerve impulses travel from the Soma to the terminal buttons?
What is axon
300
This common inhibitory hormone is abundant in many of the brain regions.
What is gamma-aminobutyric acid, or GABA?
300
During this time interval, no firing can occur due to the previous action potential.
What is refractory period?
400
What are the bulb-like structures at the branch endings of axons?
What is terminals
400
These "keys to paradise" are important to controlling emotional behaviors and pain.
What is endorphins?
400
The Nerve impulse activated in a neuron that travels down the axon and causes neurotransmitters to be released into a synapses.
What is action potential?
500
What is the fatty material that wraps around and insulates an axon?
What is myelin sheath
500
Abundances of this hormone can lead to an elevated mood and relief from depression.
What is norepinephrine?
500
These two ions are essential to providing neurons with net electrical charges necessary to create nervous impulses.
What is sodium and potassium?