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Albrecht MA, Masters CL, Ames D, et al. Impact of Mild Head Injury on Neuropsychological Performance in Healthy Older Adults: Longitudinal Assessment in the AIBL Cohort. Front Aging Neurosci. 2016;8:105doi: 10.3389/fnagi.2016.00105.
Albrecht, M. A., Masters, C. L., Ames, D., Foster, J. K. (2016). Impact of Mild Head Injury on Neuropsychological Performance in Healthy Older Adults: Longitudinal Assessment in the AIBL Cohort. Frontiers in aging neuroscience, 8105. https://doi.org/10.3389/fnagi.2016.00105
Albrecht, Matthew A, et al. "Impact of Mild Head Injury on Neuropsychological Performance in Healthy Older Adults: Longitudinal Assessment in the AIBL Cohort." Frontiers in aging neuroscience vol. 8 (2016): 105. doi: https://doi.org/10.3389/fnagi.2016.00105
Albrecht MA, Masters CL, Ames D, Foster JK. Impact of Mild Head Injury on Neuropsychological Performance in Healthy Older Adults: Longitudinal Assessment in the AIBL Cohort. Front Aging Neurosci. 2016 May 12;8:105. doi: 10.3389/fnagi.2016.00105. eCollection 2016. PMID: 27242516; PMCID: PMC4863889.
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Front Aging Neurosci. 2016 May 12;8:105. doi: 10.3389/fnagi.2016.00105. eCollection 2016.

Impact of Mild Head Injury on Neuropsychological Performance in Healthy Older Adults: Longitudinal Assessment in the AIBL Cohort.

Frontiers in aging neuroscience

Matthew A Albrecht, Colin L Masters, David Ames, Jonathan K Foster,

Affiliations

  1. School of Public Health, Curtin UniversityPerth, WA, Australia; Curtin Health Innovation Research Institute - BiosciencesPerth, WA, Australia; Department of Psychiatry, Maryland Psychiatric Research Center, University of Maryland School of MedicineBaltimore, MD, USA.
  2. Mental Health Research Institute, The University of Melbourne Parkville, VIC, Australia.
  3. Department of Psychiatry, Academic Unit for Psychiatry of Old Age, The University of Melbourne, St. Vincent's Aged Psychiatry Service, St. George's HospitalParkville, VIC, Australia; National Ageing Research Institute, Royal Melbourne HospitalParkville, VIC, Australia.
  4. School of Psychology and Speech Pathology, Curtin UniversityPerth, WA, Australia; Health Department of WA, Neurosciences UnitPerth, WA, Australia.

PMID: 27242516 PMCID: PMC4863889 DOI: 10.3389/fnagi.2016.00105

Abstract

Traumatic brain injury (TBI) is suggested to be a significant risk factor for dementia. However, little research has been conducted into long-term neuropsychological outcomes after head trauma. Participants from the Australian Imaging, Biomarkers and Lifestyle Study of Ageing (AIBL) who had recovered after sustaining a mild TBI involving loss of consciousness more than 5 years previously were compared with matched controls across a 3-year period. Bayesian nested-domain modeling was used to estimate the effect of TBI on neuropsychological performance. There was no evidence for a chronic effect of mild TBI on any neuropsychological domain compared to controls. Within the TBI group, there was some evidence suggesting that the age that the head trauma occurred and the duration of unconsciousness were modulators of episodic memory. However, these findings were not robust. Taken together, these findings indicate that adults who have sustained a TBI resulting in loss of consciousness, but who recover to a healthy level of cognitive functioning, do not experience frank deficits in cognitive ability.

Keywords: Bayesian; ageing; cognition; episodic memory; longitudinal; mild traumatic brain injury

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