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Music: Mirror Of The Mind

Date:
June 15, 2007
Source:
American Physical Society
Summary:
The long supposed connection between mind and music has been further demonstrated by an international collaboration of physicists. A statistical analysis reveals a remarkable similarity between the distributions produced by music compositions and brain activity.

The long supposed connection between mind and music has been further demonstrated by an international collaboration of physicists led by Simone Bianco and Paolo Grigolini at the Center for Nonlinear Science at the University of North Texas. A statistical analysis reveals a remarkable similarity between the distributions produced by music compositions and brain activity.

Brain activity was monitored through an electroencephalograph (EEG), which records electrical signals on the surface of the brain. The musical compositions were analyzed based on the melody, harmony, rhythm, pitch, and timber among other factors.

Researchers mapped brain activity and the compositions by regions of similarity punctuated by jumps where a significant change occurred. The data illustrated the similarity between patterns of electrical signals in the brain and of musical compositions.

In addition, the team determined a complexity index for the compositions and brain function, a number to describe the intricacy of either the musical patterns or electrical signals. The complexity indices for both patterns were less than two. This suggests that both the brain and the composition are self-organized, but in the case of the composition, it probably reflects the self-organized mind of the composer. The interpretation of the complexity index remains a question for further research.

In future experiments, researchers will monitor the brain activity of participants who are listening to music. This study will assess whether the complexity of a participantΒΏs brain activity is affected by the complexity of the composition. In addition, they will seek "fits" where the complexity of the music resembles the brain activity of the listener. If the physcists' hypothesis is correct, the fit between a composition and your brain activity helps determine your musical preferences.

Published in Physical Review E.


Story Source:

The above story is based on materials provided by American Physical Society. Note: Materials may be edited for content and length.


Cite This Page:

American Physical Society. "Music: Mirror Of The Mind." ScienceDaily. ScienceDaily, 15 June 2007. <www.sciencedaily.com/releases/2007/06/070614084241.htm>.
American Physical Society. (2007, June 15). Music: Mirror Of The Mind. ScienceDaily. Retrieved October 21, 2014 from www.sciencedaily.com/releases/2007/06/070614084241.htm
American Physical Society. "Music: Mirror Of The Mind." ScienceDaily. www.sciencedaily.com/releases/2007/06/070614084241.htm (accessed October 21, 2014).

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