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midterm
studdddy
18
Physiology
12th Grade
10/11/2011

Additional Physiology Flashcards

 


 

Cards

Term
Thalamas
Definition
The switchboard or relay station of brain
Term
Temporal lobe
Definition
This lobe regulates emotions and motivations, such as anxiety, pleasure, and anger
Term
corpus callosum
Definition
thick bundle of nerves which connect 2 cerebral hemispheres
Term
cerebellum
Definition
controls balance and coordinates voluntary movement
Term
plaques and tangles
Definition
abnormal structures known to damage brain cells in Alzheimers patients
Term
neuron
Definition
smallest part of the nervous system
Term
axon
Definition
carries outgoing messages to another neuron or to a muscle or gland
Term
endorphins
Definition
naturally occuring chemicals that reduce pain
Term
dendrites
Definition
short fibers extending from the neuron which allow it to receive messages from other neurons
Term
all or none law
Definition
when a neuron fires at full strength or not at all
Term
reinforced
Definition
behaviors occur more often when they are...
Term
biofeedback
Definition
technique in which a person learns to voluntary control physiological process such as heart rate or blood pressure
Term
learning set
Definition
ability to become increasingly more effective in solving problems as more problems are solved
Term
negative reinforcement
Definition
removing something unpleasant from a situation
Term
learned helplessness
Definition

 

Failure to take steps to avoid or escape from an unpleasant or aversive stimulus that occurs as a result of previous exposure to unavoidable painful stimuli

Term
sensory registers
Definition
entry point for raw information from the senses
Term
chunking
Definition
grouping of information into meaningful units for easier handling by short-term memory
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