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Alzheimer's Patients can Remember New Information by Listening to Music
The findings, which currently appear on-line in Neuropsychologia, offer possible applications in treating and caring for patients with AD.
AD, the most common form of dementia, is characterized by a general, progressive decline in cognitive function that typically presents first as impaired episodic memory. The onset and rate of this decline tends to vary across cognitive domains, and some functions may be preferentially spared in patients with AD.
To determine whether music can enhance new learning of information, AD patients and healthy controls were presented with either the words spoken, or the lyrics sung with full musical accompaniment along with the printed lyrics on a computer screen. The participants were presented visually with the lyrics to 40 songs. Twenty of the song lyrics were accompanied by their corresponding sung recording and 20 were accompanied by their spoken recording.
After each presentation, participants were asked to indicate whether or not they were previously familiar with the song they had just heard. The BUSM researchers found accuracy was greater in the sung condition than in the spoken condition for AD patients but not for healthy older controls.
"Our results confirmed our hypothesis that patients with AD performed better on a task ofrecognition memory for the lyrics of songs when those lyrics were accompanied by asung recording than when they were accompanied by a spoken recording," said senior author Brandon Ally, PhD, an assistant professor of neurology and director of Neuropsychology Research at the BUSM Center for Translational Cognitive Neuroscience. "However, contrary to our hypothesis, healthy older adults showed no such benefit of music, he added.
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