Lesions - Signs & Symptoms

Question 1

Cortical Lesion

Answer 1

• Loss of tactile sensibility on 1 side of body or face, trunk, upper extremity & cortical sensory loss.
• Failure to identify obj through touch or identify letter or word written on skin surface

Question 2

Subcortical Lesion

Answer 2

• Diminution or loss of pain & temp equally for face, arms & legs.

Question 3

Basal Ganglia Lesion

Answer 3

Emergence of involuntary movements

Question 4

Central Gray Spinal Lesion

Answer 4

Bilateral loss of pain & temp sensation with preserved sense of touch in same limbs (usually 2 upper limbs)

Question 5

Visual Pathway Lesion

Answer 5

• Blindness in one eye suggests an optic nerve lesion
• One eye doesn’t see laterally
• Failure to comprehend written word (visual agnosia, alexia)

Question 6

Complete Spinal Cord Lesion

Answer 6

Paralysis & Sensory loss bilaterally below lesion level