Neural basis for cortical-network responses to TV spots: A high resolution EEG study

Fabrizio De Vico Fallani, Fabio Babiloni, Febo Cincotti, Donatella Mattia, Andrea Tocci, Luigi Bianchi, Serenella Salinari, Maria Grazia Marciani, Ramon Soranzo, Alfredo Colosimo, Laura Astolfi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We investigated the behavior of the brain during the visualization of commercial videos by tracking the cortical activity and the functional connectivity changes in normal subjects. High resolution EEG recordings were performed in a group of healthy subjects and the cortical activity during the visualization of standard TV spots was estimated by using the solution of the linear inverse problem with the use of realistic head models. The cortical activity was evaluated in several regions of interest (ROIs) coincident with the Brodmann areas. The patterns of cortical connectivity was obtained in the principal four frequency bands, namely Theta (3-6 Hz), Alpha (7-12 Hz), Beta (13-29 Hz) and Gamma band (30-40 Hz) by using the Partial Directed Coherence (PDC). By using tools derived from graph theory, specific indexes related to the weighted-topology of the cortical networks estimated were then obtained. Results suggest during the visualization of the TV spots that will be successively remembered the level of internal organization in the networks estimated is more efficient when compared with the network structure relative to those clips that will be forgotten.

Original languageEnglish
Title of host publicationProc. of 2007 Joint Meet. of the 6th Int. Symp. on Noninvasive Functional Source Imaging of the Brain and Heart and the Int. Conf. on Functional Biomedical Imaging, NFSI and ICFBI 2007
Pages251
Number of pages1
DOIs
Publication statusPublished - 2007
Event2007 Joint Meeting of the 6th International Symposium on Noninvasive Functional Source Imaging of the Brain and Heart and the International Conference on Functional Biomedical Imaging, NFSI and ICFBI 2007 - Hangzhou, China
Duration: Oct 12 2007Oct 14 2007

Other

Other2007 Joint Meeting of the 6th International Symposium on Noninvasive Functional Source Imaging of the Brain and Heart and the International Conference on Functional Biomedical Imaging, NFSI and ICFBI 2007
CountryChina
CityHangzhou
Period10/12/0710/14/07

ASJC Scopus subject areas

  • Biomedical Engineering
  • Radiology Nuclear Medicine and imaging

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