Induced gamma activity is associated with conscious awareness of pattern masked nouns

International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology
Christopher SummerfieldAdrian P Burgess

Abstract

The aim of this study was to explore the relationship between electroencephalographic (EEG) activity in the gamma frequency range and conscious awareness of a visual stimulus. EEG was recorded from subjects while they were shown backward-masked words only some of which they were able to discriminate correctly. The results showed that activity in the gamma frequency range increased with reported awareness of a word independently of whether it was correctly discriminated or not. It is concluded that gamma power is associated with awareness-dependent visual processing but not with processing that occurs in the absence of awareness.

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Citations

May 12, 2004·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Y A L PijnenburgC J Stam
Nov 16, 2002·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Adrian P Burgess, Lia Ali
May 24, 2003·Consciousness and Cognition·Talis BachmannKaupo Kalev
Mar 4, 2011·Proceedings of the National Academy of Sciences of the United States of America·Caspar M SchwiedrzikLucia Melloni
Dec 19, 2002·Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society·Cornelis J StamBob W van Dijk
Jan 19, 2012·Advances in Cognitive Psychology·Jolanda Janson, Cornelia Kranczioch
Jan 1, 2007·Advances in Cognitive Psychology·Talis Bachmann
Apr 5, 2011·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Tatiana A StroganovaYuriy V Obukhov
Dec 14, 2004·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Logan T TrujilloJohn J B Allen
Jun 14, 2005·Consciousness and Cognition·Hamid Reza Naghavi, Lars Nyberg
Apr 20, 2006·Neuropsychologia·Aaron SchurgerCatherine Tallon-Baudry
May 15, 2015·The European Journal of Neuroscience·Silvia Pagano, Veronica Mazza
Jul 28, 2007·NeuroImage·Kathrin OhlaChristoph S Herrmann
Nov 13, 2007·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Michela Balconi, Claudio Lucchiari
Dec 18, 2003·The Neuroscientist : a Review Journal Bringing Neurobiology, Neurology and Psychiatry·Jochen Kaiser, Werner Lutzenberger
Oct 28, 2017·Frontiers in Psychology·Marek HavlíkJiří Horáček
May 28, 2019·Frontiers in Psychology·Marek HavlíkJiří Horáček

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