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Dynamical Network States as Predisposition of Perception

  • Nicholas A. Peatfield
  • Dawoon Choi
  • Nathan WeiszEmail author
Chapter

Abstract

The neural correlates of consciousness have been addressed utilizing some well-controlled stimulus presentation, i.e., in a poststimulus phase. However, an increasing amount of evidence using near-threshold stimuli shows robust effects in the prestimulus phase, in particular in the alpha range, predicting whether the upcoming stimulus will be perceived. Conventionally, this has been linked to inhibition ideas surrounding alpha oscillations, meaning that local excitability (i.e., whether a neural assembly is closer to discharge threshold) is the determining factor. Yet, this very “local” interpretation is at odds with most poststimulus data as well as major theoretical frameworks. In this chapter, we will push forward an alternative interpretation, i.e., that the functional neural architecture is decisive, in particular, the coupling patterns of relevant sensory areas. This new framework allows to bridge the apparent explanatory gap between the mainstream prestimulus literature and the current ideas on conscious perception. We will give examples from our laboratory.

Keywords

Transcranial Magnetic Stimulation Attentional Blink Brain State Binocular Rivalry Average Short Path Length 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  • Nicholas A. Peatfield
    • 1
    • 3
  • Dawoon Choi
    • 2
  • Nathan Weisz
    • 1
    Email author
  1. 1.Centre for Cognitive NeuroscienceUniversity of SalzburgSalzburgAustria
  2. 2.Department of PsychologyUniversity of British ColumbiaVancouverCanada
  3. 3.Biomedical Physiology and KinesiologySimon Fraser UniversityBurnabyCanada

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