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Measuring phase synchrony in brain signals
It is argued that whereas long‐scale effects do reflect cognitive processing, short‐scale synchronies are likely to be due to volume conduction, and ways to separate such conduction effects from true signal synchrony are discussed.
The Tree of Knowledge: The Biological Roots of Human Understanding
Autopoiesis and Cognition : The Realization of the Living (Boston Studies in the Philosophy of Scie
The aim of this book is to provide a Discussion of the Foundations of Cognitive Function and its Applications in Autopoiesis, and to clarify the role of language in the development of cognition.
NEUROPHENOMENOLOGY A Methodological Remedy for the Hard Problem
This paper starts with one of Chalmers' basic points: first-hand experience is an irreducible field of phenomena. I claim there is no 'theoretical fix' or 'extra ingredient' in nature that can…
Perception's shadow: long-distance synchronization of human brain activity
- E. Rodriguez, N. George, J. Lachaux, J. Martinerie, B. Renault, F. Varela
- Psychology, BiologyNature
- 4 February 1999
It is shown for the first time, to the knowledge, that only face perception induces a long-distance pattern of synchronization, corresponding to the moment of perception itself and to the ensuing motor response.
CHAPTER NINE The Specious Present: A Neurophenomenology of Time Consciousness
Guiding the study of brain dynamics by using first-person data: Synchrony patterns correlate with ongoing conscious states during a simple visual task
- A. Lutz, J. Lachaux, J. Martinerie, F. Varela
- PsychologyProceedings of the National Academy of Sciences…
- 22 January 2002
First-person data can be used to detect and interpret neural processes and it was found that characteristic patterns of endogenous synchrony appeared in frontal electrodes before stimulation and depended on the degree of preparation and the immediacy of perception as verbally reported.
Resonant cell assemblies: a new approach to cognitive functions and neuronal synchrony.
- F. Varela
- BiologyBiological research
A novel reading of ideas on temporal binding as a key for cognitive operations by means of fast (gamma band) phase synchrony is presented and some implications for the constitution of a unified cognitive-mental space are presented.
Whence Perceptual Meaning? A Cartography of Current Ideas
- F. Varela
This essay was written for the purpose of providing a minimal common ground for discussion. It is, of necessity, an ambitious attempt to give a concise account of the various current ideas on the…