1 / 6

Motor control

Motor control. Components of a Somatic Sensory system. Conscious perception of stimuli. Provides. Neuron in primary sensory cortex. Activates. Third-order neuron in thalamus. Activates. Second-order neuron in CNS. Activates. First-order neuron in PNS. Activates. Stimulus.

afritz
Télécharger la présentation

Motor control

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Motor control

  2. Components of a Somatic Sensory system Conscious perception of stimuli Provides Neuron in primary sensory cortex Activates Third-order neuron in thalamus Activates Second-order neuron in CNS Activates First-order neuron in PNS Activates Stimulus Detected by receptors

  3. Levels of Somatic Motor Control 1 • Somatic motor control • (involves series of levels) • Simple spinal and cranial reflexes at the base • Complex voluntary motor patterns at the top

  4. 2 Motor association areas Planning stage A B B Conscious decision is Made for specific movements in Frontal lobes Cerebral nuclei Cerebellum • Information is relayed from frontal lobes to motor association areas • These areas relay the information to cerebral nuclei and cerebellum

  5. 3 1 Primary Motor cortex Movement 2 Motor association areas Cerebellum 2 Cerebral Nuclei 3 Lower Motor neurons Other extrapyramidal nuclei • As the movement begins MAA send instructions to PMA • Feedback from CN and Cerebellum modifies those commands • Extrapyramidal motor output directs involuntary adjustment in position and muscle tone Motor activity

More Related