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Department of Cognitive Science

Seminar Abstract

How Musical Rhythm Entrains the Human Brain Activity: Surface and Intracerebral EEG Frequency-tagging

Speaker : Dr Sylvie Nozaradan, MARCS Institute, Western Sydney University.
Date : 20th of February 2018, 11:00AM until 12:00PM
Location : Australian Hearing Hub, 3.610, Macquarie University.

Getting entrained to music is a common activity shared by humans of all cultures. In my research, I investigate the relationship between musical rhythm, as a powerful non-verbal means of inter-personal communication, and the rhythmic activity of the human brain. To this end, my colleagues and I developed a frequency-tagging approach to capture the neural processing of musical rhythms with surface or intracerebral electroencephalography (EEG). I will present experiments conducted in healthy and brain-damaged adults, in infants and in non-human animals while exposed to rhythms. Results show that, although the auditory system presents a remarkable ability to synchronize to the rhythmic input, the neural network responding to rhythms transforms the rhythmic input by amplifying specific frequencies. We found that this selective shaping is correlated to the individual perception and entrainment to move on rhythms.