Question

Briefly describe the sensory and/or motor symptoms you might experience after an injury to each of the following areas: a.) spinal cord at level L1 b.) right optic tract c.) left auditory cortex d.) bilateral medial temporal lobes.

Answer 1

Injury to L1 injury cases .In this area contains the spinal cord tissues and nerves that controls the communication between leg and the brain.Lumbar spinalcord damage cause the loss of bowel and bladder control,can effect the flexion of hips and there will be numpness in the legs,sometimes shooting pain and parasthesia can occur.

Injury to right optic tract causes partial loss of eyesight on the left visual field called homonymous hemianopsia. and sometimes numpness or weakness of the limbs .

Injury in auditory cortex may cause permanent deafness ,difficulty in perceiving the order of simple sounds.Cortical deafness may cause due to the damage of primary auditory cortex.

Damage to temporal lobe causes visual perception disorder,language comprehension disturbance,auditory perception disturbance,impaired categorisation of verbal material.