This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. The purpose of this study is to determine what parts of the brain become active while a person performs the task of identifying a particular word when two different words are presented simultaneously or with a slight delay, one in each ear. This procedure will help us understand whether there are differences in brain function between children who have learning disability and those who do not. This study involves an experimental magnetic resonance imaging (MRI) scanner which is a large magnet built as a tube connected to a computer. The magnet produces magnetic fields at different frequences and the computer is able to translate the returning magnetic waves to pictures. This allows us to see the response of the brain to many different functions a person may be carrying out , such as seeing, remembering or moving parts of the body.
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