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January 9, 2012

New Study Probes How Teens With High-Functioning Autism Spectrum Disorders Approach Learning to Drive

Contact: Dana Mortensen, Children’s Hospital of Philadelphia, (267) 426-6092, mortensen@email.chop.edu

In the first study to investigate driving as it relates to teens with a high-functioning autism disorder (HFASD), child development and teen driving experts at The Children’s Hospital of Philadelphia’s Center for Child Injury Prevention Studies found that two-thirds of teenagers with a high-functioning autism spectrum disorder (HFASD) who are of legal driving age in their state are currently driving or plan to drive.

The study is published this month in the Journal of Developmental and Behavioral Pediatrics.

A HFASD is characterized by subtle impairments in social interaction, communication, motor skills and coordination and by a difficulty in regulating emotions. Many of these capabilities come into play when driving.

“Little is known about how HFASDs affect a person’s ability to drive safely,” explained lead author Patty Huang, M.D., a developmental pediatrician at The Children’s Hospital of Philadelphia (CHOP). “Over the past decade, the rate of children diagnosed with an HFASD has increased, meaning that more of those kids are now approaching driving age. Car crashes are the number one cause of death for teenagers, so it is important that we understand how HFASDs impact driving and how to develop appropriate educational and evaluation tools.”

Researchers discover common characteristics among teens likely to drive

In a first step to better understand the issue, researchers surveyed almost 300 parents of teens with HFASDs and discovered a few predictive characteristics among those teens who are likely to become drivers, including:

“It’s very common for parents of kids with HFASDs to ask how they should handle learning to drive. Knowing these characteristics can help us prepare anticipatory guidance for families,” said Dr. Huang. “In Pennsylvania, it’s the law for teens to have a doctor’s sign-off before they can get a learner’s permit and that makes it easier to address driving-specific concerns. In states that don’t have those laws, it’s an issue that physicians should be prepared to address with their patients and their parents.”

When determining whether a teen with an HFASD is ready to begin driving, researchers say it might be helpful to make an appointment with a specialist, such as an occupational therapist or driving instructor, who may be able to offer guidance on how to break driving lessons down into steps that are easier for teens with an HFASD to digest and put into practice.

“We hope this study will lay the groundwork for future research into improving the ability to assess readiness to drive among teens with autism spectrum,” said Dr. Huang.

More information about helping teens with special needs prepare to drive is available at teendriversource.org.

About The Center for Child Injury Prevention Studies

The Center for Child Injury Prevention Studies (CChIPS) at The Children's Hospital of Philadelphia (CHOP) is a National Science Foundation Industry/University Cooperative Research Center (I/UCRC) that focuses exclusively on making children and adolescents safer. Through CChIPS, researchers from CHOP, The University of Pennsylvania and The Ohio State University work side by side with industry members to conduct translational research that is practical to industry. This synergistic collaboration between industry and academia creates an ideal environment to generate ideas for new research projects and to leverage shared expertise and resources. The CChIPS method applies the science of biomechanical epidemiology to the analysis of crash-related data. A unique and comprehensive approach, biomechanical epidemiology integrates the principles of engineering, behavioral science, and epidemiology into study designs. For more information, visit the CChIPS website.                           

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