Anatomy
What part of the brain houses the sensory motor cortex?
Parietal lobe --> post central gyrus
Attaches two hemispheres to communicate to influence movement, success, and efficiency of movement
Corpus collosum
No feeling of the R hand would be which part of the homunculus?
Left superior lateral primary sensory cortex (postcentral gyrus)
Name of cells myelinated in the PNS
Schwann cells
Name for end of SC at L1?
Conus medularis
Frontal lobe --> precentral gyrus
Motor action in the body will be to the same side of _____ part of the brain
Cerebellum
Where is tongue control/motions on the homunculus?
Lateral (maybe inferior) precentral gyrus
CSF is made/produced in which ventricle(s)
Ventricles 1,2, and 4
Lumbar and sacral nerve roots are called
Cauda equina
Processing of vision
Occipital lobe
Infarction occurs and will affect opposite side of the body
Cortex
Where are the genitals on the homunculus?
Most inferior aspect
Spinal cord ends at
T12-L1
Gray matter is made up of
Cell bodies
Processing of hearing/sound related, vestibular, memory, limbic system, movement (timing)
Temporal lobe
R foot drop comes from which part of the homunculus?
Left superior medial area of the primary motor cortex (precentral gyrus)
Name of cells myelinates in the CNS
Oligodendrocytes
Cervical and thoracic spine make up which type of motor neurons?
Upper
White matter is composed of
Tracts
Balance, coordination
Cerebellum
R hand non-utilization comes from which part of the homunculus?
Left superior lateral primary motor cortex
T/F: Cerebellum is both UMN's and LMN's?
True
Below L1 and in the periphery are which types of motor neurons?
Lower
Spinal thalamic tract tells us
EX: stepping on a tack
Pain, temperature, pressure