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Sleep Deprivation Affects Eye-steering Coordination When Driving

Date:
June 18, 2007
Source:
American Academy of Sleep Medicine
Summary:
A single night of sleep deprivation can impact a person's ability to coordinate eye movements with steering.

Results of the study showed that, in all drivers, sleep deprivation adversely affected their ability to coordinate eye movements when steering. There were instances of both acute and chronic reductions in the degree of coordination and in the time lead of eye movements over steering.
Credit: iStockphoto/Jeff Giniewicz

Driving a vehicle requires coordination of horizontal eye movements and steering. Recent research finds that even a single night of sleep deprivation can impact a person's ability to coordinate eye movements with steering.

The study, authored by Mark Chattington of Manchester Metropolitan University, focused on six participants, who drove a winding route on a driving simulator. On the first day, they drove for one hour starting at 5 p.m. The subjects were kept awake the following night, and on day two, drove again at 5 p.m. for up to two-and-a-half hours. Their eye movements were monitored using a dashboard mounted eye tracker, and steering wheel movement was monitored through a precision potentiometer attached to the steering column.

The results showed that, in all drivers, sleep deprivation adversely affected their ability to coordinate eye movements when steering. There were instances of both acute and chronic reductions in the degree of coordination and in the time lead of eye movements over steering.

"The analysis of eye-steering coordination may provide a useful method of detecting when a driver is in danger of losing control of a vehicle due to fatigue, before the driver actually falls asleep," said Chattington.

The amount of sleep a person gets affects his or her physical health, emotional well-being, mental abilities, productivity and performance. Recent studies associate lack of sleep with serious health problems such as an increased risk of depression, obesity, cardiovascular disease and diabetes.

An abstract of this research was presented June 11 at SLEEP 2007, the 21st Annual Meeting of the Associated Professional Sleep Societies (APSS),

Experts recommend that adults get between seven and eight hours of sleep each night to maintain good health and optimum performance.

Persons who think they might be suffering from a sleep disorder are encouraged to consult with their primary care physician, who will refer them to a sleep specialist.


Story Source:

The above story is based on materials provided by American Academy of Sleep Medicine. Note: Materials may be edited for content and length.


Cite This Page:

American Academy of Sleep Medicine. "Sleep Deprivation Affects Eye-steering Coordination When Driving." ScienceDaily. ScienceDaily, 18 June 2007. <www.sciencedaily.com/releases/2007/06/070611074133.htm>.
American Academy of Sleep Medicine. (2007, June 18). Sleep Deprivation Affects Eye-steering Coordination When Driving. ScienceDaily. Retrieved July 30, 2014 from www.sciencedaily.com/releases/2007/06/070611074133.htm
American Academy of Sleep Medicine. "Sleep Deprivation Affects Eye-steering Coordination When Driving." ScienceDaily. www.sciencedaily.com/releases/2007/06/070611074133.htm (accessed July 30, 2014).

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