Week 6 Notes
Week 6 Notes PSYCH 3513 - 0020
Popular in Introduction to Cognitive Neuroscience
Popular in Psychlogy
This 2 page Class Notes was uploaded by Shelby Mann on Monday October 5, 2015. The Class Notes belongs to PSYCH 3513 - 0020 at Ohio State University taught by Andrew Leber in Summer 2015. Since its upload, it has received 21 views. For similar materials see Introduction to Cognitive Neuroscience in Psychlogy at Ohio State University.
Reviews for Week 6 Notes
Report this Material
What is Karma?
Karma is the currency of StudySoup.
You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!
Date Created: 10/05/15
Psych 3513 Introduction to Cognitive Neuroscience Week 6 Notes Control of Action Motor System Things we move Effectors Proximal head neck Distal arm leg Muscles control effectors via spinal chord Cortical and subcortical Muscle Signals Paired agonist and antagonist ex Extensor and exor Innervation from stretch spindles sensory and alpha neurons motor Excitatory for one neuron inhibitory to another Controlling Movement The brain innervates the spinal chord via the pyramidal and extrapyramidal tracts Pyramidal tract corticospinal tract Voluntary motor function Cortical control Extrapyramidal tract automatic re exive motor control Subcortical control ex Posture movement speed muscle tone Cerebellum Involvement Vestibulocerebellum balance Spinocerebellum smooth control of action especially axial body and trunk muscles Neocerebellum similar to spinocerebellum but more involved in planned movement Basal Ganglia Involvement 5 nuclei caudate putamen global pallidus subthalamic nucleus substantia nigra They work with the cortex and cerebellum to plan and initiate action Cortex Involvement Corticospinal Tract Pyramidal neurons from motor cortex Premotor Cortex Supplementary motor cortex Organization Topographic Importance of effectors for precision of movement Cross body decussate at medulla spinal chord juncture Hierarchial arrangement Cortex regulates abstract movement plans Simple re ex at bottom Hierarchy Feedback from Periphery Sherrington re exes intact
Are you sure you want to buy this material for
You're already Subscribed!
Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'