Learning Disabilities

What Are Learning Disabilities?

For someone diagnosed with a learning disability, it can seem scary at first. But a learning disability doesn't have anything to do with a person's intelligence - after all, such successful people as Walt Disney, Alexander Graham Bell, and Winston Churchill all had learning disabilities.

Learning disabilities are problems that affect the brain's ability to receive, process, analyze, or store information. These problems can make it difficult for a student to learn as quickly as someone who isn't affected by learning disabilities. There are many kinds of learning disabilities. Most students affected by learning disabilities have more than one kind. Certain kinds of learning disabilities can interfere with a person's ability to concentrate or focus and can cause someone's mind to wander too much. Other learning disabilities can make it difficult for a student to read, write, spell, or solve math problems.

The way our brains process information is extremely complex - it's no wonder things can get messed up sometimes. Take the simple act of looking at a picture, for example: Our brains not only have to form the lines into an image, they also have to recognize what the image stands for, relate that image to other facts stored in our memories, and then store this new information. It's the same thing with speech - we have to recognize the words, interpret the meaning, and figure out the significance of the statement to us. Many of these activities take place in separate parts of the brain, and it's up to our minds to link them all together.

If, like Noah, you've been diagnosed with a learning disability, you're not alone. Nearly four million school-age children and teens have learning disabilities, and at least 20% of them have a type of disorder that makes it difficult to focus.

What Causes Them?

No one's exactly sure what causes learning disabilities. But researchers do have some theories as to why they develop. They include:

•Genetic influences. Experts have noticed that learning disabilities tend to run in families and they think that heredity may play a role. However, researchers are still debating whether learning disabilities are, in fact, genetic, or if they show up in families because kids learn and model what their parents do.

•Brain development. Some experts think that learning disabilities can be traced to brain development, both before and after birth. For this reason, problems such as low birth weight, lack of oxygen, or premature birth may have something to do with learning disabilities. Young children who receive head injuries may also be at risk of developing learning disabilities.

•Environmental impacts. Infants and young children are susceptible to environmental toxins (poisons). For example, you may have heard how lead (which may be found in some old homes in the form of lead paint or lead water pipes) is sometimes thought to contribute to learning disabilities. Poor nutrition early in life may also lead to learning disabilities later in life.

How Do You Know If You Have a Learning Disability?

Just because you have trouble studying for a test doesn't mean you have a learning disability. There are as many learning styles as there are individuals. For example, some people learn by doing and practicing, others learn by listening (such as in class), and others prefer to read material. Some people are just naturally slower readers or learners than others, but they still perform well for their age and abilities. Sometimes, what seems to be a learning disability is simply a delay in development; the person will eventually catch up with - and perhaps even surpass - his or her peers.

But many people with learning disabilities struggle for a long time before someone realizes that there's a reason they're having so much trouble learning. For most people in their teen years, the first telltale sign of most learning disabilities occurs when they notice that there's a disconnect between how much they studied for a test and how well they performed. Or it may just be a feeling a person has that something isn't right. If you're worried, don't hesitate to share your thoughts with a parent or a teacher.

The first step in diagnosing a learning disability is ruling out vision or hearing problems. A person may then work with a psychologist or learning specialist who will use specific tests to help diagnose the disability. Often, these can help pinpoint that person's learning strengths and weaknesses in addition to revealing a particular learning disability.