Cortical Plasticity Induced by Short-Term Multimodal Musical Rhythm Training
2011

Cortical Plasticity Induced by Short-Term Multimodal Musical Rhythm Training

Sample size: 20 publication 10 minutes Evidence: moderate

Author Information

Author(s): Lappe Claudia, Trainor Laurel J., Herholz Sibylle C., Pantev Christo

Primary Institution: Institute for Biomagnetism and Biosignalanalysis, University of Muenster, Münster, Germany

Hypothesis

Musical training focused on rhythm should enhance rhythm perception and cortical responses to rhythmic deviations.

Conclusion

Rhythm-focused sensorimotor-auditory training in non-musicians leads to significant enhancements in auditory cortical responses to rhythmic deviations.

Supporting Evidence

  • The SA-group showed a significantly greater enlargement of MMN and P2 to rhythmic deviants after training compared to the A-group.
  • Behavioral tests indicated that rhythmic discrimination ability improved more strongly in the SA-group than in the A-group.
  • Both groups showed significant enhancement of the P2 component after training, but the enhancement was larger in the SA-group.

Takeaway

Learning to play music can help your brain get better at hearing rhythms, especially if you actually play the instrument instead of just listening.

Methodology

Participants were divided into two groups: one learned to play a piano sequence (SA-group) and the other listened to the performances (A-group), with brain responses measured before and after training.

Potential Biases

Potential bias due to self-selection of participants and the short duration of training.

Limitations

The study had a small sample size and excluded data from subjects with low signal-to-noise ratios.

Participant Demographics

Twenty-four non-musicians (14 females) aged 24 to 38, all right-handed.

Statistical Information

P-Value

0.039

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021493

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