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Biomedical subjects

J B Riemersma

Publications and source records attributed to J B Riemersma.

4 recordsLinked to original sources
PubMed1987

The influence of subclinical epileptiform EEG discharges on driving behaviour.

EEG and driving behaviour were monitored in 6 patients with subclinical focal and generalised epileptiform EEG discharges during 420 km of actual motorway driving in a suitably instrumented vehicle. Evidence of impaired driving performance during subclinical discharges was significant in 3 subjects (P less than 0.025 or less than 0.05) and was suggestive (P less than 0.1) in 1. The two patients with greatest impairment had active epilepsy, whereas the others had been seizure-free for upwards of 4 years. No other features appeared to be predictive of altered driving behaviour during discharges.

Adult↗
PubMed1982

Diazepam impairs lateral position control in highway driving.

Nine expert drivers operated an instrumented vehicle in tests over a highway at night after being treated with diazepam (5 and 10 milligrams), a placebo, and nothing. They reacted to 10 milligrams of diazepam with increased lateral position variability. Potentially dangerous impairment was inferred from the reactions of some subjects.

Adult↗
PubMed1981

Visual control during straight road driving.

In a laboratory experiment, visual thresholds were determined for change in heading angle and change in lateral position during simulated straight road driving. These thresholds differ for different delineations, forward speeds and exposure durations. The thresholds as found are low enough to be compatible with the precision with which a driver actually keeps course on a straight road. Therefore, they are likely candidates as visual cues for course control by a driver. Some implications for future research are discussed.

Automobile Driving↗