Music on Mind and Body: A Simultaneous EEG and EMG Study to Quantify Emotions from Hindustani Classical Music

Authors

  • Uddalok Sarkar Department of Electrical Engineering, Jadavpur University, Kolkata, West Bengal, India
  • Soumyadeep Pal Department of Electrical Engineering, Jadavpur University, Kolkata, West Bengal, India
  • Sayan Nag Sir C.V. Raman Centre for Physics and Music, Jadavpur University, Kolkata, West Bengal, India
  • Shankha Sanyal School of Languages and Linguistics, Jadavpur University, Kolkata, West Bengal, India
  • Archi Banerjee Sir C.V. Raman Centre for Physics and Music, Jadavpur University, Kolkata, West Bengal, India, Department of Humanities & Social Sciences, Indian Institute of Technology Kharagpur, India
  • Souparno Roy Sir C.V. Raman Centre for Physics and Music, Jadavpur University, Kolkata, West Bengal, India Department of Physics, Jadavpur University, Kolkata, West Bengal, India
  • Ranjan Sengupta Sir C.V. Raman Centre for Physics and Music, Jadavpur University, Kolkata, West Bengal, India
  • Dipak Ghosh Sir C.V. Raman Centre for Physics and Music, Jadavpur University, Kolkata, West Bengal, India

DOI:

https://doi.org/10.37591/rrjon.v9i2.1594

Abstract

With the advent of various techniques to assess the bioelectric signals on the surface of the body, it has become possible to develop various human-computer interface systems. In this study, for the first-time a cross- correlation based data is reported for two-different types of bio-signals viz. EEG (Electroencephalography) and EMG (Electromyography). Whereas EEG refers to the neuro-electric impulses generated in the brain recorded in the form of electric potentials, EMG records the activation potentials of the muscle cells when they contract or relax. The ability of Hindustani Music (HM) to evoke a wide range of emotional experience in its listeners is widely known. For this study, we took simultaneous EEG and EMG data of five participants while they listened to two Hindustani ragas of contrast emotions namely Chayanat (corresponding to happy/joy) and Darbari Kanada (corresponding to sad/pathos) emotion. We made use of two latest signal processing algorithms, wavelet-based power spectra and cross-correlation coefficient to assess the arousal-based activities in response to the acoustic clips in the two different bio-signals. For the first time, an attempt is being made to quantify and categorize musical emotions using EMG signal and an attempt to correlate that with the EEG signals obtained from brain. The alpha, theta and gamma frequency range in the frontal and parietal electrodes is found to be the most responsive in case of musical emotions. The EMG response has been studied by segregating the entire signal into different frequency ranges as is done in case of EEG frequency bands. Interestingly, the response in case of EMG data is strongest in the same frequency bands as that of EEG signals. Novel pitch detection algorithm has also been applied to EMG signals to ratify the rationale behind the separation of frequency bands. This is the first of its kind study which looks for categorization and quantification of musical emotions using simultaneously two different bio-signals with the help of robust mathematical analysis. The results and implications have been discussed in detail.

 

Keywords: EEG, EMG, Hindustani classical music, musical emotion, wavelet transform

Cite this Article

Uddalok Sarkar, Soumyadeep Pal, Sayan Nag, Shankha Sanyal, Archi Banerjee, Souparno Roy, Ranjan Sengupta, Dipak Ghosh. Music on Mind and Body: A Simultaneous EEG and EMG Study to Quantify Emotions from Hindustani Classical Music. Research and Reviews: Journal of Neuroscience. 2019; 9(2):
27–38p.

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Published

2019-09-10

Issue

Vol. 9 No. 2 (2019)

Section

Research Article

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