Motor and sensory pathways Flashcards
1
Q
Lateral corticospinal tract
A
Ipsilateral nerve pathway through spinal cord
2
Q
Pyramidal decussation
A
Lesion above decussation results in contralateral sensation loss, lesion below decussation results in ipsilateral sensation loss.
3
Q
Upper motor neuron (UMN):
A
Motor neuron that projects from cortex to spinal cord or brain stem
4
Q
Lower motor neuron (LMN):
A
located in the anterior gray horn of spinal cord
5
Q
What brain hemisphere contributes to spatial awareness?
A
Non dominant hemisphere
6
Q
Hemineglect is?
A
Unresponsiveness to a stimulus present on the involved side
7
Q
Anosognosia is?
A
Unaware of presence of neurological deficits caused by a lesion, mental illness, or dementia