Impaired Recognition of Traffic Signs in Adults With Dyslexia

Ten adults with dyslexia (4 women and 6 men, mean age: 26.8 years, range: 19–43 years) and 11 controls (5 women and 6 men, mean age: 20.5 years, range: 18–29 years) were tested on their ability to differentiate between real and false traffic signs. The stimuli, computer-presented color pictures, wer...

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Bibliographic Details
Published in:Journal of learning disabilities 1995-05, Vol.28 (5), p.297-301
Main Authors: Z. Brachacki, Gregory W., Nicolson, Roderick I., Fawcett, Angela J.
Format: Article
Language:English
Subjects:
Adolescent
Adult
Adult and adolescent clinical studies
Adults
Automatism
Biological and medical sciences
Cognition
Communication disorders
Dyslexia
Dyslexic people
Female
Humans
Implicit Learning
Incidental Learning
Intellectual deficiency
Learning Experience
Male
Medical sciences
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Recognition (Psychology)
Road signs
Signal Detection, Psychological
Signs
Traffic Control
Validity
Visual perception
Visual Stimuli
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Summary:Ten adults with dyslexia (4 women and 6 men, mean age: 26.8 years, range: 19–43 years) and 11 controls (5 women and 6 men, mean age: 20.5 years, range: 18–29 years) were tested on their ability to differentiate between real and false traffic signs. The stimuli, computer-presented color pictures, were chosen to minimize the applicability of verbal or written linguistic skills to the task. The adults with dyslexia recognized the traffic signs significantly less well than did the controls. Furthermore, whereas for the controls there was a significant correlation between traffic sign recognition and driving experience, no such correlation was found for the adults with dyslexia. The results are interpreted in terms of a deficit in implicit learning.
ISSN:0022-2194
1538-4780
DOI:10.1177/002221949502800505