July 1, 2002Ergonomics

Driving on the motorway: the effect of alternating speed on driver's activation level and mental effort

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Why the study?

Does periodically varying speed improve driver activation level in drivers on a motorway?

Structured PICO

Does periodically varying speed improve driver activation level in drivers on a motorway?

Population

Drivers on a motorway route in real traffic

Intervention

Periodically varying the speed

Comparator

Constant speed

Outcome

Activation level indexed by a relative measure based on slow EEG activitysurrogate

Periodically varying driving speed on a motorway may help maintain driver activation levels compared to driving at a constant speed.

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Hypothesis-generating for periodic speed variation to sustain driver activation; prospective trials needed before any practice change.

Tejero et al. (2002) studied this question.

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