Taking prescription antidepressants while still highly depressed could impair driving ability, a new study has revealed.
For the study, psychologists Holly Dannewitz. PhD, and Tom Petros, PhD, from University of North Dakota recruited 60 people to participate in a driving simulation in which participants had to make a series of common driving decisions, such as reacting to brake lights, stop signs or traffic signals while being distracted by speed limit signs, pylons, animals, other cars, helicopters or bicyclists.
AdvertisementThe simulation tested steering, concentration and scanning. Thirty-one of the participants were taking at least one type of antidepressant while 29 control group members were taking no medications with the exception of oral contraceptives in some cases.
The group taking antidepressants was further divided into those who scored higher and lower on a test of depression.
The researchers found that the group taking antidepressants who reported a high number of symptoms of depression performed significantly worse than the control group on several of the driving performance tasks.
However, participants who were taking antidepressants and scored in the normal range on a test to measure depression performed no differently than the non-medicated individuals.
"Individuals taking antidepressants should be aware of the possible cognitive effects as [they] may affect performance in social, academic and work settings, as well as driving abilities," the researchers said.
"However, it appears that mood is correlated with cognitive performance, more so than medication use," they added.
The study was presented at the Annual Convention of the American Psychological Association.
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