A brief change in the electrical charge of a neuronal membrane; the physical basis of the signal that travels the length of the neuron.
Action potential
1 of 18
Nerves that carry messages inward toward the central nervous system.
Afferent neurons
2 of 18
Drugs that enhance a neurotransmitter's activity.
Agonists
3 of 18
The law that all action potentials have the same strength and speed regardless of the triggering stimulus.
All-or-none law
4 of 18
Drugs that impede the activity of a neurotransmitter.
Antagonists
5 of 18
A serious disturbance in beginning or carrying out voluntary movements.
Apraxia
6 of 18
The division of the peripheral nervous system that receives information from and controls the internal organs.
Autonomic nervous system
7 of 18
The brain region at the top of the spinal cord that includes the medulla and the pons.
Brain stem
8 of 18
The brain and spinal cord.
Central nervous system
9 of 18
Nerves that carry messages outward from the central nervous system.
Efferent Neurons
10 of 18
A record of the brain's electrical activity recorded by placing electrodes on the scalp.
EEG
11 of 18
A technique for examining brain function by measuring blood flow and oxygen use within the brain.
fMRI
12 of 18
A temporal lobe structure that plays a pivotal role in learning and forming new memories.
Hippocampus
13 of 18
Neurons that are neither afferent nor efferent, but instead carry information from one neuron to another.
Interneurons
14 of 18
A neuroimaging technique that documents the effects of strong magnetic pulses on the molecules that make up brain tissue. A computer then assembles this information into a picture of brain structure.
MRI
15 of 18
A specialized cell in the nervous system that accumulates and transmits information.
Neuron
16 of 18
The division of the peripheral nervous system that controls the skeletal muscles and transmits sensory information.
Somatic nervous system (SNS)
17 of 18
The division of the autonomic nervous system that mobilizes the organism for physical exertion
Sympathetic branch
18 of 18
Other cards in this set
Card 2
Front
Nerves that carry messages inward toward the central nervous system.
Back
Afferent neurons
Card 3
Front
Drugs that enhance a neurotransmitter's activity.
Back
Card 4
Front
The law that all action potentials have the same strength and speed regardless of the triggering stimulus.
Back
Card 5
Front
Drugs that impede the activity of a neurotransmitter.
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