The founder of an organization that provides free music lessons to low-income students from gang-ridden neighborhoods has noticed a hopeful sign. The kids were graduating high school and heading off to some big universities.
That's when Margaret Martin asked how the children in the Harmony Project in Los Angeles were beating the odds.
Researchers at Northwestern University in Illinois believe that the students' music training played a role in their educational achievement. Martin noticed 90 percent of them graduate from high school. Overall, 50 percent or more from those same neighborhoods did not graduate.
A two-year study of 44 children in the program shows that the training changes the brain. It makes it easier for youngsters to process sounds, according to results reported in The Journal of Neuroscience. That increased ability, the researchers say, is linked directly to improved skills in such subjects as reading and speech.
But there is one catch. People have to actually play an instrument to get smarter. They can't just crank up the tunes on their iPod.
Nina Kraus, the director of Northwestern's auditory neuroscience laboratory, compared the difference to that of building up one's body through exercise. "I like to say to people: You're not going to get physically fit just watching sports," she said.
The latest findings are striking a chord with supporters of such programs. They say music is frequently the first cut for school boards looking to save money.
April Benasich, a professor of neuroscience at Rutgers University in New Jersey who was not involved in the study, said previous research by Kraus has demonstrated the value of music is improving concentration, memory and focus in children.
So Margaret Martin approached the National Institutes of Health. She wanted to learn if there was a connection between music and the educational achievements of the program's 2,000 students. The NIH put her in touch with Kraus. She studies the changes in the brain that occur through auditory exposure. Many of Harmony Project's students have no interest in pursuing professional music careers, Martin said.
Ricardo Torriz, 13, wants to be an engineer. He took up the trumpet and is learning salsa, jazz and classical music. "I wanted to take up the trumpet so I could play in a band like my dad," he said.
Researchers studied the students over two years, attaching scalp electrodes to monitor changes in their brains. Test subjects were selected at random from those on a waiting list to enter the program. That hopefully ensured that all test subjects would be equally motivated to work hard.
One of the researchers' key findings was that one year of musical training didn't make a difference in brain changes. Two years did.
At the Harmony Project one afternoon last week, the building quickly began to fill with sounds of clarinets, trombones, oboes and other wind instruments as players warmed up. At an adjacent building, cellos were being tuned.
Adelina Flores, whose 11-year-old daughter, America, was a test subject, said she wasn't surprised by the results. Her daughter had already told her she was getting better at math. Playing music, she said, had taught her to divide notes into fractions and count them out in measures.
"She's improved a lot through this," Adelina Flores said, adding, "And she's grown to be more confident, too."
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