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Analyzing Neural Correlates of Attentional Changes during the Exposure to Virtual Environments: Application of Transcranial Doppler Monitoring

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Analyzing Neural Correlates of Attentional Changes during the Exposure to Virtual Environments: Application of Transcranial Doppler Monitoring

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dc.contributor.author Rey, Beatriz es_ES
dc.contributor.author Parkhutik, Vera es_ES
dc.contributor.author Tembl, Jose es_ES
dc.contributor.author Alcañiz Raya, Mariano Luis es_ES
dc.date.accessioned 2017-05-22T07:20:13Z
dc.date.available 2017-05-22T07:20:13Z
dc.date.issued 2011
dc.identifier.isbn 978-3-642-21851-4
dc.identifier.issn 0302-9743
dc.identifier.uri http://hdl.handle.net/10251/81548
dc.description.abstract [EN] Transcranial Doppler monitoring (TCD) has been proposed as a tool to be used in Augmented Cognition (AugCog) systems to monitor brain activation during the performance of different cognitive tasks. In the present study, the main goal is to analyze variations in blood flow velocity (BFV) measured by TCD during the exposure to a virtual reality environment when there are changes in the focus of attention of the participants. Two abrupt events are forced during the navigation in a virtual environment in order to change their focus of attention to the real world. In one of them, the screen goes completely blue, and in the other one, a mesh appears in front of the virtual environment making it difficult to visualize. Results show that BFV values in both middle cerebral arteries remain similar when the first event occurs, but there is an increase during the second event. The origin of this increment may probably be found in the higher difficulty of having a mesh in front of the virtual environment, requiring more attention than before. These results show that changes in the stimuli can generate modifications in BFV that can be monitored by TCD, and can be useful for AugCog applications. es_ES
dc.language Inglés es_ES
dc.publisher Springer Verlag (Germany) es_ES
dc.relation.ispartof Lecture Notes in Computer Science es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Augmented cognition es_ES
dc.subject Virtual reality es_ES
dc.subject Transcranial doppler es_ES
dc.subject Neurophysiological data es_ES
dc.subject Cognitive state assessment es_ES
dc.subject.classification EXPRESION GRAFICA EN LA INGENIERIA es_ES
dc.title Analyzing Neural Correlates of Attentional Changes during the Exposure to Virtual Environments: Application of Transcranial Doppler Monitoring es_ES
dc.type Artículo es_ES
dc.type Comunicación en congreso es_ES
dc.identifier.doi 10.1007/978-3-642-21852-1_27
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Interuniversitario de Investigación en Bioingeniería y Tecnología Orientada al Ser Humano - Institut Interuniversitari d'Investigació en Bioenginyeria i Tecnologia Orientada a l'Ésser Humà es_ES
dc.contributor.affiliation Universitat Politècnica de València. Escuela Técnica Superior de Ingeniería Agronómica y del Medio Natural - Escola Tècnica Superior d'Enginyeria Agronòmica i del Medi Natural es_ES
dc.description.bibliographicCitation Rey, B.; Parkhutik, V.; Tembl, J.; Alcañiz Raya, ML. (2011). Analyzing Neural Correlates of Attentional Changes during the Exposure to Virtual Environments: Application of Transcranial Doppler Monitoring. Lecture Notes in Computer Science. 6780:212-220. doi:10.1007/978-3-642-21852-1_27 es_ES
dc.description.accrualMethod S es_ES
dc.relation.conferencename 6th International Conference on Foundations of Augmented Cognition (FAC) Held as Part of 14th International Conference on Human-Computer Interaction (HCI) es_ES
dc.relation.conferencedate July 09-14, 2011 es_ES
dc.relation.conferenceplace Orlando, Florida es_ES
dc.relation.publisherversion http://doi.org/10.1007/978-3-642-21852-1_27 es_ES
dc.description.upvformatpinicio 212 es_ES
dc.description.upvformatpfin 220 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 6780 es_ES
dc.relation.senia 206823 es_ES
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