Journal
NEUROPSYCHOLOGICAL REHABILITATION
Volume 32, Issue 7, Pages 1405-1428Publisher
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/09602011.2021.1893192
Keywords
“ Navigation” “ spatial cognition” “ acquired brain injury” “ topographical disorientation” “ rehabilitation”
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The study found that patients with acquired brain injuries (ABI) have significant difficulties in navigation ability, with performance on objective navigation tasks lower than healthy controls. Tasks like landmark recognition, route continuation, and allocentric location knowledge were most vulnerable to brain injury, and the prevalence of subjective navigation impairments was higher in the ABI population.
The ability to travel independently is a vital part of an autonomous life. It is important to investigate to what degree people with acquired brain injuries (ABI) suffer from navigation impairments. The aim of this study was to investigate the prevalence and characteristics of objective and subjective navigation impairments in the population of ABI patients. A large-scale online navigation study was conducted with 435 ABI patients and 7474 healthy controls. Participants studied a route through a virtual environment and completed 5 navigation tasks that assessed distinct functional components of navigation ability. Subjective navigation abilities were assessed using the Wayfinding questionnaire. Patients were matched to controls using propensity score matching. Overall, performance on objective navigation tasks was significantly lower in the ABI population compared to the healthy controls. The landmark recognition, route continuation and allocentric location knowledge tasks were most vulnerable to brain injury. The prevalence of subjective navigation impairments was higher in the ABI population compared to the healthy controls. In conclusion, a substantial proportion (39.1%) of the ABI population reports navigation impairments. We advocate the evaluation of objective and subjective navigation ability in neuropsychological assessments of ABI patients.
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