The first time Jillian Serpa tried to learn to drive, the family car wound up straddling a creek next to her home in Ringwood, N.J.
Ms. Serpa, then 16, had gotten flustered trying to sort out a rapid string of directions from her father while preparing to back out of their driveway. “There was a lack of communication,” she said. “I stepped on the gas instead of the brake.”
On her second attempt to learn, Ms. Serpa recalled, she “totally freaked out” at a busy intersection. It was four years before she tried driving again. She has made great progress, but so far has still fallen short of her goal: Two weeks ago she knocked over a cone while parallel parking and failed the road test for the fourth time.
Learning to drive is hard and scary for many teenagers, and driving is far and away the most dangerous thing teenagers do. But the challenges are significantly greater for young people who, like Ms. Serpa, have attention problems.
A number of cognitive conditions can affect driving, and instructors report a recent increase in the number of teenagers with Asperger syndrome seeking licenses. But the largest group of challenged teenage drivers — and the mostly closely studied — appears to be those with attention deficit hyperactivity disorder. A 2007 study, by Russell A. Barkley of the Medical University of South Carolina and Daniel J. Cox of the University of Virginia Health System, concluded that young drivers with A.D.H.D. are two to four times as likely as those without the condition to have an accident — meaning that they are at a higher risk of wrecking the car than an adult who is legally drunk.
Researchers say that many teenagers with attention or other learning problems can become good drivers, but not easily or quickly, and that some will be better off not driving till they are older — or not at all.
The most obvious difficulty they face is inattention, the single leading cause of crashes among all drivers, said Bruce Simons-Morton, senior investigator at the National Institute for Child Health and Human Development in Bethesda, Md.
“When a driver takes his eyes off the road for two seconds or more, he’s doubled the risk of a crash,” he said.
Inexperienced drivers usually are distractible drivers. Dr. Simons-Morton cited a study on a closed course in which teenagers proved much more adept than adults at using cellphones while driving — and missed more stop signs.
The situation isn’t helped by how “noisy” cars have become, with cellphones, iPods and Bluetooth devices, said Lissa Robins Kapust, a social worker and coordinator of a driving program at Beth Israel Deaconess Medical Center in Boston. “Driving is so busy on the inside and the outside of the car — it’s the most complex thing we do.”
But A.D.H.D. involves more than distractibility. Its other major trait is impulsiveness, which is often linked to high levels of risk-taking, said Dr. Barkley.
“It’s a bad combination” for young drivers, he said. “They’re more prone to crashes because of inattention, but the reason their crashes are so much worse is because they’re so often speeding.” Many drivers with A.D.H.D. overestimate their skills behind the wheel, Dr. Barkley noted.
Far better, researchers say, to have the attitude that Ms. Serpa does — not minimizing the difficulties or being daunted by them. “I am persistent,” said Ms. Serpa, now 21. “I don’t quit. And if there are people who think I am struggling with driving, I will tell them the truth.”
Ms. Serpa heads back to the road test on Thursday, with “a whole new level of confidence” after more intensive practice — plus a new string of kabbalah beads and a lucky pendant.
Fortunately, researchers and special instructors are discovering more tangible ways to help teenagers like her. The first step: deciding whether a 16-year-old is ready to learn, or really needs to drive at all.
Dr. Simons-Morton thinks that almost any reason to put off starting lessons is a good one. “If I were the parent of an A.D.H.D. or other special-needs kid, my goal would be to delay licensing,” he said. “They mature, they accommodate to their deficits and they’re more likely to take medication.”
Maturity also has to be considered. If a teenager with A.D.H.D. is showing consistent poor judgment or has earned only limited independence, he may not be ready. Behavioral problems can be a red flag, regardless of whether they have to do with driving.
“If your kid is that oppositional and defiant, she shouldn’t be driving,” said Dr. Patty Huang, a pediatrician at the Children’s Hospital of Philadelphia.
Even before the child reaches driving age, instructors recommend preparing by making sure the child can ride a bike, or by “narrating” a parent’s driving, both of which help raise the teenager’s awareness of what’s involved in maneuvering through space and traffic.
When a child with A.D.H.D. is ready for lessons, experts say the first stop is not the driving school — it’s the doctor’s office.
Most young drivers with A.D.H.D. should be taking medication, they say; many studies have found that stimulants that help focus attention, like Ritalin and Adderall, can reduce the risk of accidents. “Medication should not really be optional,” Dr. Barkley said. He recommends considering extended-release formulations that remain effective at night, when accidents are most common.
A doctor’s exam might also uncover hidden issues. When Ms. Serpa decided to try again at age 20, for instance, an eye exam turned up a visual processing problem that may have contributed to her earlier driving difficulties.
More than most other teenagers, those with A.D.H.D. benefit from professional instruction — in some cases, with a driving rehabilitation specialist. The field developed to meet the needs of stroke patients and the elderly, but instructors now see a growing number of special-needs teenagers.
All involved should be prepared for training to take as long as is necessary for the young driver to develop competence — which may be a long time. The instructor should coach parents as well, since they oversee the bulk of practicing.
As any parent knows, it’s easy for sessions to turn acrimonious. But learning happens more quickly in a positive atmosphere. “It’s important to remind parents to work on catching your teen doing the right thing,” said Gregory A. Fabiano, a professor ofpsychology at the University at Buffalo.
Most states require only 40 or 50 hours of road practice before a driver is eligible for a licensing exam. Researchers generally agree that all teenagers should have more practice, and for children with learning disabilities the amount should be much greater, even if it means keeping them in the learner permit stage longer than strictly necessary.
For parents anxious about safety during practice, installing a temporary passenger-side brake can cost less than repairing a significant dent. And experts say parents may find that a child learns better in a car with a manual transmission, which gives the attention less time to wander.
Special measures may be helpful even after a teenager with A.D.H.D. earns a license. Many experts recommend that parents adopt a ramped-up version of the graduated licensing common in most states. Dr. Barkley encourages parents to carry out a strict program of monitoring that is relaxed bit by bit. Sign a contract on safe driving practices. Set up a logbook that teenagers can use to record medication, sign cars in and out and list where they’re going and who with. Cellphones should be strictly forbidden. The household contract can be tougher than the law, he said: “Tell them that even if the state doesn’t take their license away, we’re going to.”
It isn’t easy, but with these techniques children with A.D.H.D. are learning to drive, and safely. Indeed, sometimes they are their own best instructors. When he was learning, Josh Nabours, 21, a student with A.D.H.D. in Phoenix, found that his mind wandered whenever he waited at a red light.
“If I’m not doing anything, my mind starts going five times as fast,” he said. His solution? Turning on the radio, which provides just enough engagement to keep him rooted in the present.
These days, Mr. Nabours drives himself to classes at a community college, and he has never been in an accident or received a ticket.
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