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Vocab Words
Psych Vocab Words 1
29
Psychology
11th Grade
08/30/2010

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Cards

Term
Myelin Sheath
Definition
Outside cover of neurons
Term
Axon
Definition
Extended fiber of the neuron that sends signals
Term
Biological Psychology
Definition
Genetics, brain, nervous system
Term
Neuron
Definition
Sends and receives info to and from other cells
Term
Reflex
Definition
Reacting to stimuli
Term
Sensory Neurons
Definition
Neurons that carry messages from sense receptors to the central nervous system
Term
Lesion
Definition
Dead brain tissue
Term
PET
Definition
Taking pictures of the brain while it's doing activities
Term
Motor Neurons
Definition
Sends signals from the CNS to muscles and glands
Term
MRI
Definition
Scans brain using magnets
Term
Neural Networks
Definition
A group of neurons
Term
Interneurons
Definition
Sends messages from sensory to motor
Term
Automatic Nervous System
Definition
Controls involuntary responses
Term
Electroencephalogram
Definition
Recording of electrical activity of the brain
Term
Computer Tomography Scan
Definition
A bunch of X-Rays put together to look at insides
Term
Somatic Nervous System
Definition
Connects CNS to skeletal muscles and skin
Term
Sympathetic Nervous System
Definition
Emergency response
Term
Parasympathetic Nervous System
Definition
Conserves and restores body energy
Term
Acetylcholine
Definition
Causes muscle contraction
Term
Active Potential
Definition
Nerve impulses
Term
Neurotransmitters
Definition
Chemical messenger that crosses the synapse
Term
Dendrite
Definition
Extended fiber of the neuron that receives signals
Term
Central Nervous System
Definition
Spinal cord and brain
Term
Threshold
Definition
Minimum amount to start an impulse
Term
Nerves
Definition
Causes signals to transmit
Term
Peripheral Nervous System
Definition
Spinal and cranial nerves
Term
Nervous System
Definition
Network of neurons
Term
Endorphins
Definition
Raise the pain threshold
Term
Synapse
Definition
Gap between on neuron and the other
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