Ponderings of science, philosophy, history, society, and many other topics
I noted in the post on Susan Blackmore's views that often consciousness get associated with the results of one of three processes: perception, attention, or introspection. Interestingly, while everyone and their brother has a book out on consciousness, attention receives far less... attention. At least in the popular press. The science of attention has a … Continue reading Attention and consciousness
Someone called my attention to a new paper by Michael Graziano: A conceptual framework for consciousness. I've highlighted Graziano's approach and theory many times over the years. I think his Attention Schema Theory provides important insights into how top down attention works. But it's his overall approach that I find the most value in. He's … Continue reading Graziano’s non-mystical approach to consciousness
I recently completed Anil Seth's new book, Being You: A New Science of Consciousness. Seth starts out discussing David Chalmers' hard problem of consciousness, as well as views like physicalism, idealism, panpsychism, and functionalism. Seth is a physicalist, but is suspicious of functionalism. Seth makes a distinction between the hard problem, which he characterizes as … Continue reading Anil Seth’s theory of consciousness
It's been a while since I listed good sources to learn about neuroscience and the brain. I think anyone interested in consciousness and the mind should get a grounding in the basics. It's a bit of work, but the introductory accounts aren't anything unmanageable for someone who can parse philosophically dense material. And it enables … Continue reading Sources of information on neuroscience
(Warning: neuroscience weeds) Some years ago, I reviewed Antonio Damasio's theory of consciousness, based on his book, Self Comes to Mind. (He has a newer book, The Strange Order of Things, which I haven't read yet, so this may not represent his most current views.) In that book, Damasio makes a distinction between two types … Continue reading Perceptions are dispositions all the way down
The other day, when discussing Mark Solms' book, I noted that he is working to create an artificial consciousness, but that he emphasizes that he isn't aiming for intelligence, just the conscious part, as though consciousness and intelligence are unrelated. This seems to fit with his affect centered theory of consciousness, and it matches a … Continue reading Consciousness and intelligence
I've discussed many times how difficult consciousness can be to define. One of the earliest modern definitions, from John Locke, was, "the perception of what passes in a man's own mind." This definition makes consciousness inherently about introspection. But other definitions over the centuries have focused on knowledge in general as well as intentionality, the … Continue reading A perceptual hierarchy of consciousness
(Warning: neuroscience weeds) This is an interesting study getting attention on social media: Does the Prefrontal Cortex Play an Essential Role in Consciousness? Insights from Intracranial Electrical Stimulation of the Human Brain. Ned Block is one of the authors. (Warning: paywalled, but you might have luck here.) The study looks at data from epileptic patients … Continue reading Stimulating the prefrontal cortex
(Warning: neuroscience weeds) Stanislas Dehaene recently called attention to a paper in Nature studying the brain dynamics of something becoming conscious. The study supports the global neuronal workspace theory that consciousness involves "bifurcation" dynamics, an "ignition", a phase transition between preconscious and conscious processing. Prior to the transition, the processing is feedforward and fleeting. After … Continue reading The global playground
I recently finished Mark Solms' new book, The Hidden Spring: A Journey to the Source of Consciousness. There were a few surprises in the book, and it had what I thought were strong and weak points. My first surprise was Solms' embrace of the theories of Sigmund Freud, including psychoanalysis. Freud's reputation has suffered a … Continue reading Mark Solms’ theory of consciousness
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