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Nervous function after right hemispherectomy

A R Damásio, A Lima, H Damásio

|January 1, 1975

Summary

This summary is machine-generated.

This study shows a 20-year-old woman experienced significant brain adaptation after a hemispherectomy for severe head trauma. Her cognitive and motor functions showed remarkable recovery, indicating positive neuroplasticity in the mature brain.

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Area of Science:

Neuroscience
Neurosurgery
Neuroplasticity

Background:

A 20-year-old female presented with intractable seizures and behavioral changes following severe head trauma at age five.
Previous psychomotor development was normal prior to the traumatic brain injury.

Purpose of the Study:

To evaluate the functional outcomes and adaptive capacity of the mature brain following hemispherectomy.
To assess neurological deficits and higher nervous function post-surgery.

Main Methods:

Hemispherectomy was performed to address medically refractory epilepsy and behavioral disturbances.
Post-operative neurological and functional assessments were conducted.

Main Results:

The patient exhibited minimal impairment in higher nervous functions associated with the removed hemisphere.

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Significant improvement in left-sided motor performance and minimal sensory deficits were observed.

No hemianopia was present; an enlarged right visual field and left ear preference in dichotic listening were noted.

Conclusions:

The findings suggest substantial positive adaptation and neuroplasticity can occur in the mature brain.
Hemispherectomy can lead to favorable outcomes in selected cases of severe traumatic brain injury with epilepsy.