Research Reports - Effective factors on linguistic disorder during acute phase following traumatic brain injury in adults

Neuropsychologia. 2012 Jun;50(7):1444-50

Chabok SY, Kapourchali SR, Leili EK, Saberi A, Mohtasham-Amiri Z

Traumatic brain injury (TBI) has been known to be the leading cause of breakdown
and long-term disability in people under 45 years of age. This study highlights
the effective factors on post-traumatic (PT) linguistic disorder and relations
between linguistic and cognitive function after trauma in adults with acute TBI.
A cross-sectional design was employed to study 60 post-TBI hospitalized adults
aged 18-65 years. Post-traumatic (PT) linguistic disorder and cognitive deficit
after TBI were respectively diagnosed using the Persian Aphasia Test (PAT) and
Persian version of Mini-Mental State Examination (MMSE) at discharge. Primary
post-resuscitation consciousness level was determined using the Glasgow Coma
Scale (GCS). Paracilinical data was obtained by CT scan technique. Multiple
logistic regression analysis illustrated that brain injury severity was the first
powerful significant predictor of PT linguistic disorder after TBI and
frontotemporal lesion was the second. It was also revealed that cognitive
function score was significantly correlated with score of each language skill
except repetition. Subsequences of TBI are more commonly language dysfunctions
that demand cognitive flexibility. Moderate, severe and fronto-temporal lesion
can increase the risk of processing deficit in linguistic macrostructure
production and comprehension. The dissociation risk of cortical and subcortical
pathways related to cognitive-linguistic processing due to intracranial lesions
can augment possibility of lexical-semantic processing deficit in acute phase
which probably contributes to later cognitive-communication disorder.

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