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Driver landmark and traffic sign identification in early Alzheimer's disease
- Source :
- Journal of Neurology, Neurosurgery & Psychiatry. 76:764-768
- Publication Year :
- 2005
- Publisher :
- BMJ, 2005.
-
Abstract
- Objective: To assess visual search and recognition of roadside targets and safety errors during a landmark and traffic sign identification task in drivers with Alzheimer's disease. Methods: 33 drivers with probable Alzheimer's disease of mild severity and 137 neurologically normal older adults underwent a battery of visual and cognitive tests and were asked to report detection of specific landmarks and traffic signs along a segment of an experimental drive. Results: The drivers with mild Alzheimer's disease identified significantly fewer landmarks and traffic signs and made more at-fault safety errors during the task than control subjects. Roadside target identification performance and safety errors were predicted by scores on standardised tests of visual and cognitive function. Conclusions: Drivers with Alzheimer's disease are impaired in a task of visual search and recognition of roadside targets; the demands of these targets on visual perception, attention, executive functions, and memory probably increase the cognitive load, worsening driving safety.
- Subjects :
- Male
Symbolism
Paper
endocrine system
Automobile Driving
medicine.medical_specialty
Signal Detection, Psychological
Time Factors
Visual perception
genetic structures
Poison control
Neuropsychological Tests
Severity of Illness Index
Perceptual Disorders
Physical medicine and rehabilitation
Alzheimer Disease
medicine
Humans
Dementia
Attention
Psychiatry
Aged
Visual search
Brain
Recognition, Psychology
Cognition
Executive functions
medicine.disease
Cognitive test
Psychiatry and Mental health
Visual Perception
Female
Surgery
Neurology (clinical)
Cognition Disorders
Psychology
Traffic sign
psychological phenomena and processes
Subjects
Details
- ISSN :
- 00223050
- Volume :
- 76
- Database :
- OpenAIRE
- Journal :
- Journal of Neurology, Neurosurgery & Psychiatry
- Accession number :
- edsair.doi.dedup.....0701f496d2972366ead74fef22b66db0