Evoked brain potentials and disability in brain-damaged patients.

Abstract:

:Various measures of evoked brain potential abnormality (EPA) were correlated with disability ratings (DR) for 35 brain-damaged patients. EPA data consisted of judgements of abnormality of ipsilateral, contralateral and bilateral responses to auditory and visual stimuli reflecting activity in the brain stem, subcortex and cortex. DR data were obtained from a scale developed for this study to quantize and categorize patients with a wide range of disabilities from coma to normal functioning. EPA scores based on visual and auditory cortical responses showed significantly positive correlations with degree of disability. Visual response correlation was .49, auditory .38 and combined visual and auditory .51. It was concluded that EPA measures can reflect disability independently of clinical information. They are useful in assessing brain function in general and, specifically, in assessing impairment of sensory function. The evoked potential technique was particularly useful in patients who were not able to participate fully in their own examination. There were indications that the technique may also be valuable in monitoring progress and in predicting clinical outcome in brain-damaged patients.

journal_name

Arch Phys Med Rehabil

authors

Rappaport M,Hall K,Hopkins K,Belleza T,Berrol S,Reynolds G

subject

Has Abstract

pub_date

1977-08-01 00:00:00

pages

333-8

issue

8

eissn

0003-9993

issn

1532-821X

journal_volume

58

pub_type

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