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Motor Systems
a review of motor systems in biopsychology
4
Psychology
Undergraduate 2
10/19/2010

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Cards

Term
Explain the infant reflexes:
-rooting
-grasp
-babinski
Definition
R: cheek touch, baby turns it's head accordingly (response to nipple)
G: put out your finger, baby will grab and hold it
B: touching the bottom of a babies feet, toes sprawl out
Term
Explain the infant reflexes:
-rooting
-grasp
-babinski
Definition
R: cheek touch, baby turns it's head accordingly (response to nipple)
G: put out your finger, baby will grab and hold it
B: touching the bottom of a babies feet, toes sprawl out
Term
Movements can either be ballistic or guided, what does these mean?
Definition
ballistic (no-sensory): executed as a whole, cannot be corrected (e.g. swatting a fly, yawning)

guided (sensory): movements that can be corrected/adjusted (threading a needle)
Term
motor neurons have cell bodies in the _____ ______, which projects from the muscles, to the tunk, and terminates on the _______
Definition
-ventral horn
-muscle
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