TERM 1
Motor Cortex
DEFINITION 1
Cortical region.
Involved with control and regulation of voluntary
movements
Primary motor cortex in frontal lobe (precentral gurus)
TERM 2
What are clinical correlates with the motor
cortex?
DEFINITION 2
1) Spastic Hemiplegia2) Pseudobulbar Palsy3) Alternating
Hemiplegia
TERM 3
Spastic Hemiplegia
DEFINITION 3
- Lesion of the corticospinal tract-Paralysis with hypotonia,
hyperreflexia, and clasp knife rigidity (think of crabs pincers)
-Flexed upper arm, thumb, and fingers-Neck bent toward the
affected side
TERM 4
Pseudobulbar Palsy
DEFINITION 4
1) Spastic paralysis of the speech musculature2) Difficulty
controlling facial muscles for speech production3)
Facial emotional response pattern remains intact4) During
voluntary motor activities, muscles respond poorly
TERM 5
Alternating Hemiplegia
DEFINITION 5
Book definition: Brainstem lesion char acterized by cranial nerve
impairments on the side ipsilateral to the lesion with motor and
sensory loss on the opposite side. - Bra instem lesion primarily in
the pons and medulla- Alternating pa ttern of symptomsIpisilateral
Pharyngeal, lingual, facial and ocular p alsy (LMN - lower motor
neurons) and contralateral spastic he miplegia
