Music therapy is a science that has been applied since many centuries ago,
but it has been organized as a profession during the past century. This sci
ence studies the therapeutic effects of music in human beings. Professional
s who practice this science are called "music therapists" and they must be
trained not only in music theory and performance, but also in psychology, a
natomy, research techniques, and other subjects. Today, we can find music t
herapy research in many areas such as the effects of music in children with
autism, adults with psychiatric illnesses, elderly with Alzheimer and Park
inson disease, people with brain injuries, among others. Numerous studies d
emonstrate the functionality of music therapy in patients with neurological
disorders. These studies show that music helps patients to gain control ov
er their walking patterns after a brain injury, stimulates long and short t
erm memory in patients with Alzheimer disease, and increase self esteem and
social interaction in elders.