Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
30 Cards in this Set
- Front
- Back
Appraises CNS of state of the limb, body part, or cortical
condition |
Mossy Fibers
|
|
Has very strong and specific influence on Purkinje
cells. |
Climbing Fibers
|
|
Sends information to limb muscles
|
Dorsolateral Nucleus
|
|
Innervates axial muscles
|
Ventromedial Nucleus
|
|
Connect different segments
|
Prpriospinal Neurons
|
|
Head righting reflexes in response to activation of semicircular canals
|
Medial Vestibular Nuclei
|
|
Sends axons to axial and proximal limb muscles
|
Lateral Vestibular Nucleus
|
|
Originates in premotor, motor, and sensory cortex ; decussates in medullary pyramids; projects to spinal cord; many neurons make direct connections with motor neurons in later anterior horn
|
Lateral Cortical Spinal Tract
|
|
Originates in premotor and motor cortex; Descends ipsilaterally; Projects to bilateral reticular and vestibular nuclei to regulate medial brainstem systems; Projects bilaterally in medial spinal cord
|
Ventral Cortical Spinal Tract
|
|
Upper and lower limbs extended; Damage includes brainstem
|
Decerebrate
|
|
Upper limbs flexed, lower limbs extended; damage restricted to cerebral hemispheres; damage isn't as deep therefore prognosis is better
|
Decorticate
|
|
High muscle tone that is at least partially produced by hyperactive stretch reflexes
|
Spasticity
|
|
Non-progressive neonatal CNS disease that affects the motor system; A disorder in the regulation of muscle tone
|
Cerebral Palsy
|
|
The two systems that control posture ...
|
Reticulospinal tract and Vestibulospinal tract
|
|
Maintain gaze during head rotation
|
Vestibulo-Ocular Reflex
|
|
Vestibular nuclei act on neck musculature through medial and lateral vestibulospinal tracts to maintain alignment with gravity
|
Head Righting Reflex
|
|
Stretch reflexes in neck act to maintain alignment with trunk
|
Neck Righting Reflex
|
|
Help maintain postural equilibrium : response to stretch of muscles spindles in neck
|
Tonic Neck Reflexes
|
|
Help maintain postural equilibrium: response to vestibular stimulation
|
Equilibrium Reflexes
|
|
Response to vestibular stimulation
|
Protective Extension Reflexes
|
|
Cells are activated when you do it and while watching the same thing be done
|
Mirror Neuron
|
|
Activated just before the primary motor cortex; planning section
|
Premotor Cortex
|
|
Execution stage in movement; corrects movements and initiates them
|
Primary Motor Cortex
|
|
Fractured somatotopy; use-dependent reorganization; cells correlated with muscle activity, but vary with kinetic and kinematic
|
Primary Motor Cortex
|
|
Complex Sequences; bilateral coordination; mental imagery
|
Supplementary Motor Area
|
|
Reaching
|
Dorsal Pre-Motor Cortex
|
|
Grasping
|
Ventral Pre-Motor Cortex
|
|
Group of nuclei in base of
hemispheres |
Basal Ganglia
|
|
Eye movements
|
Caudate
|
|
limb and trunk movements
|
Putamen
|