Using EEG with children and adults to measure oscillatory activity in response to isochronous auditory sequences
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1
McMaster University, Psychology, Neuroscience and Behaviour, Canada
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2
Stanford University, United States
Recent research using magnetoencephalography (MEG) on auditory-motor interactions in the brain indicates that oscillatory networks become entrained to the tempo of auditory isochronous sequences. For example, the amplitude of induced oscillatory activity in the auditory cortex beta band (15-25 Hz) was shown to decrease after each beat and rebound prior to the expected onset time of the next beat across different tempos. The current study investigated 1) whether similar results in the auditory cortex could be found using electroencephalography (EEG), and 2) how this activity changes with age. Adults and 7.5-year-old children passively listened to isochronous tone sequences at three different tempos (390 ms, 585 ms, 780 ms) while their EEG was recorded. In adults, evoked power in beta, but not alpha or gamma, depended on the tempo. Furthermore, beta power was higher for slower tempos, suggesting it was not simply driven by neural recovery periods. Induced power in the auditory cortex beta band appeared to decrease after each tone and then rebound immediately prior to the onset of the subsequent tone, supporting the MEG results. This pattern was similar for both children and adults when IOIs were fast (390 ms or 585 ms). However, in the slowest tempo condition (780 ms), children’s induced beta power was less indicative of clear oscillatory entrainment than adults’.
Keywords:
Event-related desynchronization (ERD),
Beta Oscillations,
timing processing,
musical beat,
Electroencephalography
Conference:
14th Rhythm Production and Perception Workshop Birmingham 11th - 13th September 2013, Birmingham, United Kingdom, 11 Sep - 13 Sep, 2013.
Presentation Type:
Poster Presentation
Topic:
Rhythm Production and Perception
Citation:
Cirelli
L,
Ghahremani
A,
Manning
FC,
Spinelli
C,
Marie
C,
Bosnyak
D,
Fujioka
T and
Trainor
LJ
(2013). Using EEG with children and adults to measure oscillatory activity in response to isochronous auditory sequences.
Conference Abstract:
14th Rhythm Production and Perception Workshop Birmingham 11th - 13th September 2013.
doi: 10.3389/conf.fnhum.2013.214.00019
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Received:
22 Jul 2013;
Published Online:
24 Sep 2013.
*
Correspondence:
Dr. Laurel J Trainor, McMaster University, Psychology, Neuroscience and Behaviour, Hamilton, Canada, ljt@mcmaster.ca