Research Reports - Accelerated cognitive aging following severe traumatic brain injury

Brain Inj. 2017 Jul 7:1-9. doi: 10.1080/02699052.2017.1332387. [Epub ahead of
print]

Wood RL(1).

OBJECTIVE: The primary objective of this review was to examine relevant clinical
and experimental literatures for information on the long-term cognitive impact of
serious traumatic brain injury (TBI) with regard to the process of cognitive
aging.
METHOD: Online journal databases were queried for studies pertaining to cognitive
aging in neurologically healthy populations, as well as the late cognitive
effects of serious TBI. Additional studies were identified through searching
bibliographies of related publications and using Google search engine.
RESULTS AND CONCLUSIONS: Problems of cognition exhibited by young adults after
TBI resemble many cognitive weaknesses of attention deficit and poor working
memory that are usually seen in an elderly population who have no neurological
history. The current state of the literature provides support for the argument
that TBI can result in diminished cognitive reserve which may accelerate the
normal process of cognitive decline, leading to premature aging, potentially
increasing the risk of dementia. 

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