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When a speech therapist suggested last fall that it was time for 4th grader Sloan Brickey to use a device to help convey her sometimes-garbled words, the first option was a 2-foot-long board that offered a choice of six words at a time.

Sloan, 11, has Down syndrome and already sticks out enough at her elementary school in Powell, Tenn., said her mother, Kelly J. Brickey.

So Ms. Brickey did some research and found a different solution: a list of applications for the Apple iPad that work well helping children with autism communicate.

Sloan鈥檚 mother happened upon a tool that has made its way into schools in big numbers less than a year after its debut. But iPads and other tablet computers are more than a novelty for many students with disabilities, including deaf students in Pennsylvania, youngsters with autism in Southern California, and children like Sloan with Down syndrome. They are tools that pave a fresh path to learning.

A combination of Down syndrome and apraxia鈥攁 sort of disconnect between the brain and the mouth that results in slow or jumbled speech鈥攎akes it difficult for Sloan to form words that others can easily understand.

In the past, after a few unsuccessful attempts at making someone understand what she was saying, her mother said, Sloan was likely to stamp her foot and leave the room.

Now, Sloan is using a tool that attracts other students, has boosted her self-confidence, and offers a means of communicating in greater depth with peers, her mother said.

Using an application on the iPad called , Sloan can scroll through pictures or choose from phrases and sentences she uses often, and the computer speaks for her.

鈥淪he鈥檚 able to tell them about things she鈥檚 done on the weekend, like 鈥業 went sledding and I liked it鈥� or 鈥業 went out on the lake,鈥� 鈥� said Ms. Brickey. 鈥淪he鈥檚 never been able to do that.鈥�

Ease of Use

Tablet computers are useful for students with disabilities because some of the applications available for them easily and cheaply replace bulky, expensive older forms of assistive technology. For children with poor fine-motor skills, the touch-screen design is easier to use than a desktop computer with a mouse or a laptop with a touchpad. The screen鈥檚 size makes the gadget user-friendly for students with vision problems.

鈥淔or a child who may be a little slower learner, struggling with reading, has an arm that doesn鈥檛 work, the [tablet-style] computer has all these modalities, sound and touch. The technology can compensate for the special-needs kids in a way that traditional media cannot compensate,鈥� said Elliot M. Soloway, a University of Michigan professor of education as well as of electrical engineering and computer science.

The machines offer a sense of independence many children, especially those with disabilities, may never have experienced before.

鈥淲hen you find something, you tend to remember it. That鈥檚 exactly what will happen: When the kids find it as opposed to being told it, everything changes,鈥� Mr. Soloway said. 鈥淭he technology makes it possible to shift the control, easily.鈥�

But he cautioned schools from falling in love with the iPad before looking into other tablet computers on the market that may cost less.

鈥淪chools are getting killed right now. To buy a very expensive device when you鈥檙e really trying to get finger-touch technology seems to be irresponsible,鈥� he said. 鈥淭hey all have app stores.鈥�

The first generation of iPads start at $499 and can cost nearly twice that, depending on their features, although many applications are free or available for less than $5. The one Sloan uses, Proloquo2Go, is $190. A ViewSonic ViewPad 7 is available online for $460. And archos makes several models, with some starting at $180.

At High Road Academy of Baltimore County, West, in Dundalk, Md., Chance Connors arrived with a fear of math, an inability to sit still, and a deficit of patience, said his teacher, Jennifer Langmead.

These days, the 6th grader, who has been labeled as having an emotional disturbance, is happy to spend hours working on math problems on one of five iPads the students at his school share, she said.

Chance鈥檚 private school is for students with disabilities who are referred by public schools.

鈥楳ath Ninja鈥�

Looking at a textbook page or worksheet of math problems might prompt Chance to give up and shut down before he鈥檚 even begun, Ms. Langmead said.

鈥淗e鈥檚 very intimidated by math,鈥� she said. But an iPad application called 鈥攁s the app puts it, 鈥淵ou aren鈥檛 just a normal kid. You鈥檙e a math ninja,鈥濃�攕tarts off with a brief game, then presents one problem at a time.

While Ms. Langmead finds the electronic jingle that plays in the background mind-numbing, Chance hardly seems to notice it as he adds 10 and 6, 7 and 4, and then gets a chance to save his treehouse from a pack of robotic dogs.

He said he鈥檚 asked his mother to buy him his own iPad. 鈥淭hat鈥檚 the thing I dream of at night,鈥� he said, 鈥減laying Math Ninja.鈥�

Specialized Education Services Inc., based in Yardley, Pa., operates High Road Academy and more than 40 other schools in 11 states, Chief Executive Officer Mike L. Kaufman said. As a test, it bought 50 iPads and put them in schools across the country.

鈥淓specially when you work with the special-needs population, you really need to find ways to reach out to the kids,鈥� Mr. Kaufman said.鈥� Anything that will reach a kid and make them excited about learning, let鈥檚 try it.鈥�

After experiences such as Chance鈥檚, Mr. Kaufman said, it鈥檚 almost certain his company will put more iPads in students鈥� hands next school year, especially since educators no longer have concerns that students will break the devices, which have proved sturdy.

鈥淭hey want to be able to use it,鈥� Kelly Mlynski, the head teacher at the Dundalk school, said of the iPad. 鈥淭hey care for it, understanding it won鈥檛 be replaced.鈥�

Some school districts are being more cautious, however, recognizing that it is likely the device will benefit their students in special education, but waiting to see the best ways to use them.

鈥淚t鈥檚 so engaging. We want to make sure we鈥檙e capitalizing on the functionality鈥攏ot just the engagement,鈥� said Brian M. Engle, the executive director for education technology for Glenview District 34 in Illinois. He鈥檚 on a committee with other districts exploring iPad鈥檚 uses for students with disabilities.

Beyond Academics

Other districts that have taken the plunge are pleased with the initial results.

In Orange County, Calif., school psychologist Bill L. Thompson said that while students with disabilities have used laptops for years, tablet-style machines offer a new options for his students.

About 100 iPads are being used by some of the 550 students with disabilities he oversees through the Orange County department of education. They include students working on life skills who are using iPad applications to order food at restaurants and buy things at the grocery store. Students who need extra help managing time outside school also can use the iPad as a timer.

鈥淭o carry [a laptop] around with you to a restaurant is not practical,鈥� Mr. Thompson said.

Other advantages of tablets are their simplicity and the ease with which they can be customized, important for all students, but especially those with special needs, he added. The touch screens offer instant gratification for students with limited patience or those who can鈥檛 understand the connection between a mouse and computer screen.

鈥淚t鈥檚 so intuitive,鈥� Mr. Thompson said. 鈥淔or a student that might have trouble, whether it鈥檚 the dexterity, or something else, it鈥檚 a pretty concrete concept.鈥�

鈥楢 Piece of Cake鈥�

At both campuses of the Western Pennsylvania School for the Deaf, in Scranton and Pittsburgh, middle school students have been working with iPads most of the school year, and recently they were given permission to take them home each day.

Students have used laptops, wheeled from classroom to classroom, on carts for several years, said Linda A. Burik, who oversees technology at both of the public school鈥檚 campuses.

鈥淪ome of them wouldn鈥檛 be charged,鈥� Ms. Burik said, 鈥淪ome had keys missing. No one had responsibility for them.鈥�

But the iPad鈥檚 10-hour battery life means the newer devices are ready to use whenever they鈥檙e needed. And because they cost less than a laptop, each middle school student鈥�24 in Pittsburgh and 10 in Scranton鈥攈as his or her own iPad.

The school鈥檚 students need as much exposure to learning English as possible, said Cathy L. Rhoten, the interim director of the Scranton campus.

Many deaf students, for whom American Sign Language is their first language, graduate from high school with reading skills at a 4th grade level. While Scranton does better, with students reading at an average 7th or 8th grade level by graduation, Ms. Rhoten said, the iPad will help them progress further.

For example, there are iPad apps that connect the dots between an English idiom and the sign-language equivalent in a uniquely clear manner.

鈥淚t will give you, 鈥業t鈥檚 a piece of cake,鈥� in a paragraph that describes how you would use that in English,鈥� Ms. Burik said. 鈥淭hen they sign it in ASL.鈥� Otherwise, she said, 鈥渢he first time they encounter that in a novel, they would think out of nowhere someone鈥檚 eating a piece of cake.鈥�

Special education applications have been in such demand that Apple created a page within its apps store to showcase them. The application Sloan Brickey uses, Proloquo2Go, is now on every iPad on display in Apple stores, said David Niemeijer, the CEO of the Netherlands-based AssistiveWare, which created the app as an alternative to traditional assistive devices.

He said stand-alone products are still necessary, though, for people with certain kinds of needs, such as those who cannot move their limbs or fingers.

鈥淚t shows that Apple is interested in this market,鈥� Mr. Niemeijer said, although 鈥渨hen they developed this technology, it was probably not the first thing they thought about.鈥�