In the past week, two articles have appeared in the New York Times about autism.
Here's the first:
In Autism, New Goal Is Finding It Soon Enough to Fight It
By ANAHAD O'CONNOR
Published: December 14, 2004
SEATTLE - Sitting in a small evaluation room at the University of Washington, apprehension written on her face, Christa Zamora turned her eyes toward her son Connor and contemplated his future. A talkative and animated 2-year-old, Connor appears normal, Ms. Zamora said, but it is too soon to be certain. Doctors diagnosed autism in her older son, Cameron, just before he turned 3. And with Connor, who is also at risk for developing the devastating neurological disorder, which runs in families, she has decided to be proactive, enrolling him in an early diagnosis study for children as young as 16 months.
"I'm very concerned," said Ms. Zamora, who is also worried about her third child, a boy due in February. "Connor seems to be past the danger zone. But Cameron repeats himself a lot, and sometimes I see Connor doing the very same things."
Across the country, thousands of toddlers like Connor are joining studies that could signal new hope for a baffling childhood disorder. For years, autism was rarely noticed before the age of 2, its symptoms overlooked by busy parents or so subtle that pediatricians missed them. According to federal figures, only a third of the 6-year-olds who were receiving treatment for autism in 2002 had been identified by age 4.
But in the last two years much has changed. Propelled by an explosion of public awareness and growing evidence that early treatment with behavioral therapy can improve a child's chances, scientists have set out to diagnose the disorder as early as possible, and slowly, more children with autism are being identified before they turn 2. Already, the average age of diagnosis in Britain has tumbled from roughly 43 months to 38 months or younger in only a few years, a pattern experts see emerging in the United States. And studies now under way could sharply alter the landscape of early detection by allowing physicians to routinely screen children before age 2, perhaps even in infancy.
"Part of it is that parents are more interested, and that pediatricians are getting a lot more sophisticated at detecting it," said Dr. Fred Volkmar, a professor of child psychiatry at Yale. "As these things have come together, there's no question we're seeing a lot more parents who are coming forward around the country with younger and younger children."
Autism isolates, robbing those afflicted of their ability to communicate or to grasp even basic social cues. Human faces, awash in meaning to most people, are inscrutable to people with autism; many cannot look another person in the eye. But behavioral therapy is one bridge to the outside world, and while experts say it can make a difference at any age, almost all agree that it has the largest effect on a child's language, social development and I.Q. when started before children turn 4.
"Intervention should start before the age of 3, and certainly by the age of 4," said Dr. Deborah Fein, a professor of psychology at the University of Connecticut. "After a certain point, you can still teach an autistic child certain things, ameliorate destructive behaviors, but you're not really going to change the developmental pathway that they're on."
The goal now, experts say, is to augment screening techniques so cases no longer elude them as the window for intervention narrows.
At the University of Washington and elsewhere, researchers are experimenting with a routine test that can flag children by 18 months, the earliest point for reliably identifying the disorder, many experts contend. It is also early enough for therapists to intervene.
At the same time, other researchers see promise in more sophisticated diagnostic tools - devices that can measure brain and behavioral responses to the sound of a mother's voice, or genetic or biological markers that can be detected in infancy.
"The goal is to be able to identify these kids at birth," said Dr. Geraldine Dawson, director of the University of Washington's autism center. "Until fairly recently, we hadn't really defined the very early symptoms of autism. But in the last several years, research has identified the behaviors you can see in a child as young as 12 months."
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articles on autism in The New York Times
9 replies
maomao · 20/12/2004 14:09
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Socci ·
20/12/2004 20:06
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