Episodes of complete failure to respond during attentive tasks--lapses of responsiveness ('lapses')--accompanied by behavioral signs of sleep such as slow-eye-closure are known as behavioral microsleeps (BMs). The occurrence of BMs can have serious/fatal consequences, particularly in the transport sectors, and therefore further investigations on neurophysiological correlates of BMs are highly desirable. In this paper we propose a combination of High Resolution EEG techniques and an advanced method for time-varying functional connectivity estimation for reconstructing the temporal evolution of causal relations between cortical regions of BMs occurring during a visuomotor tracking task. The preliminary results highlight connectivity patterns involving parietal and fronto-parietal areas both preceding and following the onset of a BM.

Time-varying functional connectivity for understanding the neural basis of behavioral microsleeps / Toppi, Jlenia; Astolfi, Laura; G. R., Poudel; Babiloni, Fabio; Lucia, Macchiusi; D., Mattia; Salinari, Serenella; R. D., Jones. - ELETTRONICO. - 2012:(2012), pp. 4708-4711. (Intervento presentato al convegno 34th Annual International Conference of the IEEE Engineering-in-Medicine-and-Biology-Society (EMBS) tenutosi a San Diego, CA nel AUG 28-SEP 01, 2012) [10.1109/embc.2012.6347018].

Time-varying functional connectivity for understanding the neural basis of behavioral microsleeps.

TOPPI, JLENIA;ASTOLFI, LAURA;BABILONI, Fabio;SALINARI, Serenella;
2012

Abstract

Episodes of complete failure to respond during attentive tasks--lapses of responsiveness ('lapses')--accompanied by behavioral signs of sleep such as slow-eye-closure are known as behavioral microsleeps (BMs). The occurrence of BMs can have serious/fatal consequences, particularly in the transport sectors, and therefore further investigations on neurophysiological correlates of BMs are highly desirable. In this paper we propose a combination of High Resolution EEG techniques and an advanced method for time-varying functional connectivity estimation for reconstructing the temporal evolution of causal relations between cortical regions of BMs occurring during a visuomotor tracking task. The preliminary results highlight connectivity patterns involving parietal and fronto-parietal areas both preceding and following the onset of a BM.
2012
34th Annual International Conference of the IEEE Engineering-in-Medicine-and-Biology-Society (EMBS)
sleep stages; frontal lobe; electroencephalography; connectome; young adult; male; brain mapping; adult; algorithms; humans; attention; parietal lobe
04 Pubblicazione in atti di convegno::04b Atto di convegno in volume
Time-varying functional connectivity for understanding the neural basis of behavioral microsleeps / Toppi, Jlenia; Astolfi, Laura; G. R., Poudel; Babiloni, Fabio; Lucia, Macchiusi; D., Mattia; Salinari, Serenella; R. D., Jones. - ELETTRONICO. - 2012:(2012), pp. 4708-4711. (Intervento presentato al convegno 34th Annual International Conference of the IEEE Engineering-in-Medicine-and-Biology-Society (EMBS) tenutosi a San Diego, CA nel AUG 28-SEP 01, 2012) [10.1109/embc.2012.6347018].
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