The
importance of illness or disability for traffic safety is unknown. By
means of a mock car, 46 individuals suffering from left-sided
hemiparesis and 67 with right-sided hemiparesis after stroke were
compared with 109 healthy controls. Only patients without complicating
disorders were included in the study groups. They coped far worse than
the control group in almost all respects. Reaction times were longer,
not merely for the paretic but also for the contralateral extremities.
Strength in the ‘healthy’ part of the body was also significantly
reduced. Sometimes patients completely failed to react to given signals.
In right-sided hemiparesis a high frequency of directional errors was
observed. Neuropsychological functional disorders were well in
accordance with the number of erroneous reactions, but to only a minor
extent with reaction times. The results of the mock car test could not
be predicted on the basis of mere clinical examination.
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