Measurements of functional connectivity between cerebral regions during auditory sensory memory processing

Fu Jung Hsiao*, Yung Yang Lin

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This study aimed to evaluate the functional connectivity between cerebral regions by measuring the phase synchrony of magnetoencephalographic (MEG) signals elicited by regular simple tones and their duration-deviants in a mismatch paradigm. Significant synchrony was clearly identified between the temporal and ipsilateral frontal region following the auditory stimulation. This temporal-frontal interaction was significantly larger in deviant-elicited than standard-elicited activation at 4-25 Hz in the left hemisphere (p<0.05), and at 4-8 Hz in the right hemisphere (p<0.01). Also, temporal-temporal and temporal-parietal phase synchronies were found in deviant-evoked 4-8 Hz responses. Measurement of functional connectivity may provide a useful window to further understanding of the cortical mechanism to brain cognitive processing.

Original languageEnglish
Title of host publicationProceedings - 2010 3rd International Conference on Biomedical Engineering and Informatics, BMEI 2010
Pages939-942
Number of pages4
DOIs
StatePublished - 2010
Event3rd International Conference on BioMedical Engineering and Informatics, BMEI 2010 - Yantai, China
Duration: 16 Oct 201018 Oct 2010

Publication series

NameProceedings - 2010 3rd International Conference on Biomedical Engineering and Informatics, BMEI 2010
Volume3

Conference

Conference3rd International Conference on BioMedical Engineering and Informatics, BMEI 2010
Country/TerritoryChina
CityYantai
Period16/10/1018/10/10

Keywords

  • Auditory mismatch paradigm
  • Frontal area
  • Functional connectivity
  • Magnetoencephalography
  • Sensory memory
  • Temporal area

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