Musicians have biological advantage in identifying emotio... (rainstem processing of three acoustic co...)

Musicians have biological advantage in identifying emotion in sound

Date:3/3/2009

rainstem processing of three acoustic correlates (pitch, timing and timbre) in musicians and non-musicians to a scientifically validated emotion sound. The musicians, who learn to use all their senses to practice and perform a musical piece, were found to have "finely tuned" auditory systems.

This fine-tuning appears to lend broad perceptual advantages to musicians. "Previous research has indicated that musicians demonstrate greater sensitivity to the nuances of emotion in speech," says Ashley, who explores the link between emotion perception and musical experience. One of his recent studies indicated that musicians might even be able to sense emotion in sounds after hearing them for only 50 milliseconds.

The 30 right-handed men and women with and without music training in the European Journal of Neuroscience study were between the ages of 19 and 35. Subjects with music training were grouped using two criteria -- years of musical experience and onset age of training (before or after age 7).

Study participants were asked to watch a subtitled nature film to keep them entertained while they were hearing, through earphones, a 250-millisecond fragment of a distressed baby's cry. Sensitivity to the sound, and in particular to the more complicated part of the sound that contributes most to its emotional content, was measured through scalp electrodes.

The results were not exactly what the researchers expected. They found that musicians' brainstems lock onto the complex part of the sound known to carry more emotional elements but de-emphasize the simpler (less emotion conveying) part of the sound. This was not the case in non-musicians.

In essence, musicians more economically and more quickly focus their neural resources on the important -- in this case emotional -- aspect of sound. "That their brains respond more quickly and accurately than the brains of non-musicians is something we'd expect to translate into the perce
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Contact: Wendy Leopold
w-leopold@northwestern.edu
847-491-4890
Northwestern University
Source:Eurekalert

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Musicians have biological advantage in identifying emotio...(rainstem processing of three acoustic co...)