Abstract：
:The immediate and long-term neural correlates of linguistic processing deficits reported following paediatric and adolescent traumatic brain injury (TBI) are poorly understood. Therefore, the current research investigated event-related potentials (ERPs) elicited during a semantic picture-word priming experiment in two groups of highly functioning individuals matched for various demographic variables and behavioural language performance. Participants in the TBI group had a recorded history of paediatric or adolescent TBI involving injury mechanisms associated with diffuse white matter pathology, while participants in the control group never sustained any insult to the brain. A comparison of N400 Mean Amplitudes elicited during three experimental conditions with varying semantic relatedness between the prime and target stimuli (congruent, semantically related, unrelated) revealed a significantly smaller N400 response in the unrelated condition in the TBI group, indicating residual linguistic processing deviations when processing demands required the quick detection of a between-category (unrelated) violation of semantic expectancy.
journal_name
Brain Langjournal_title
Brain and languageauthors
Knuepffer C,Murdoch BE,Lloyd D,Lewis FM,Hinchliffe FJdoi
10.1016/j.bandl.2012.06.009subject
Has Abstractpub_date
2012-10-01 00:00:00pages
52-63issue
1eissn
0093-934Xissn
1090-2155pii
S0093-934X(12)00114-9journal_volume
123pub_type
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