Research Reports - Executive functioning of combat mild traumatic brain injury

Appl Neuropsychol Adult. 2015 Oct 23:1-10. [Epub ahead of print]

Gaines KD(1), Soper HV(2), Berenji GR(1).

This study investigates neuropsychological deficits in recently deployed veterans
with mild traumatic brain injury (mTBI). Veterans discharged from 2007 to 2012
were recruited from Veterans Affairs clinics. Independent groups of participants
with mTBI (n = 57) and those without TBI (n = 57) were administered the Beck
Depression Inventory-II, Combat Exposure Scale, Word Memory Test, and the
Self-Awareness of Deficits Interview. Neuropsychological instruments included the
Rey-Osterrieth Complex Figure Test, Letter and Category Fluency, Trail-Making
Test-Parts A and B, Christiansen H-abbreviated, Soper Neuropsychology Screen,
Wechsler Memory Scale subtests Logical Memory I and II, and the Street Completion
Test. The mTBI group performed significantly worse on all of the executive and
nonexecutive measurements with the exception of Category Fluency, after
controlling for age, depression effort, and combat exposure. Depression and
combat exposure were greater for the mTBI group. The mTBI group scored poorer on
effort, but only the Multiple Choice subtest was significant. The mTBI group had
good awareness of their deficits. 

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