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Advances in Consciousness Research August 28, 2013 Frank Sengpiel
Ever since Horace Barlow (1972) proposed his neuron doctrine for perceptual psychology, the holy grail for neurophysiologists has been to find individual neurons or groups of neurons whose firing correlates with specific percepts or even a state of mind or consciousness. Binocular rivalry is a particularly attractive paradigm for this approach because a stable visual stimulus causes an...
Advances in Consciousness Research August 28, 2013 P. Christiaan Klink, Richard J.A. Van Wezel, Raymond Van Ee
Binocular rivalry is often considered an experimental window on the neural processes of consciousness. We propose three distinct approaches to exploit this window. First, one may look through the window, using binocular rivalry as a passive tool to dissociate unaltered sensory input from wavering perceptual output. Second, the mechanisms underlying binocular rivalry may yield detailed knowledge...
Proceedings of the National Academy of Sciences August 27, 2013 Jimo Borjigin, UnCheol Lee, Tiecheng Liu et al.
The brain is assumed to be hypoactive during cardiac arrest. However, the neurophysiological state of the brain immediately following cardiac arrest has not been systematically investigated. In this study, we performed continuous electroencephalography in rats undergoing experimental cardiac arrest and analyzed changes in power density, coherence, directed connectivity, and cross-frequency...
arXiv Preprint Archive August 25, 2013 Juan M. Romero, Carlos Trenado, Berenice Aguilar et al. preprint
In this paper, we address a neural field equation that characterizes spatio-temporal propagation of a neural population pulse. Due that the human brain is a complex system whose constituents interaction give rise to fundamental states of consciousness and behavior, it is crucial to gain insight into its functioning even at relativistic scales. To this end, we study the action of the...
August 22, 2013 Erik Craig
Perhaps the single most essential foundation for a healthy and satisfying existence is a reliable sense that one is, that one has the right to be, the power and authority to be, just as long as one is. Indeed, so foundational is the sense of being and belonging that we take it for granted like the air we breathe and the ground on which we walk. However, when this primordial relation to one's...
August 16, 2013 Douglas Robinson
A new view of the extended mind thesis argues that a stark binary opposition between really extending and seeming to extend oversimplifies the issue. The extended-mind thesis (EMT), usually attributed to Andy Clark and David Chalmers, proposes that in specific kinds of mind-body-world interaction there emerges an extended cognitive system incorporating such extracranial supports as pencils,...
PLoS One August 15, 2013 Jeongkyu Shin, George A. Mashour, Seungwoo Ku et al. 16 citations
General anesthesia significantly alters brain network connectivity. Graph-theoretical analysis has been used extensively to study static brain networks but may be limited in the study of rapidly changing brain connectivity during induction of or recovery from general anesthesia. Here we introduce a novel method to study the temporal evolution of network modules in the brain. We recorded...
August 9, 2013 James Fadiman, Andrew Kornfeld
This chapter considers how psychedelic substances affect consciousness, using the lens of a transpersonal approach to psychology. Transpersonal psychology's point of view is especially suitable to grapple with this question due not only to its continuing interest in altered states of consciousness, but also to its long-standing relationship with psychedelic research. Mainstream psychology has...
Neural Networks August 1, 2013 James A. Reggia 186 citations
Efforts to create computational models of consciousness have accelerated over the last two decades, creating a field that has become known as artificial consciousness. There have been two main motivations for this controversial work: to develop a better scientific understanding of the nature of human/animal consciousness and to produce machines that genuinely exhibit conscious awareness. This...
July 25, 2013 Thomas Natsoulas
This book describes and proposes an unusual integrative approach to human perception that qualifies as both an ecological and a phenomenological approach at the same time. Thomas Natsoulas shows us how our consciousness - in three of six senses of the word that the book identifies - is involved in our activity of perceiving the one and only world that exists, which includes oneself as a proper...