Experience is generated by any mechanism that has a cause-effect repertoire in a particular state.

The Integrated Information Theory of Consciousness (2014)

Portrait of Christof Koch

Christof Koch

Neuroscientist
Born: November 13, 1956

Christof Koch is a German-American neuroscientist best known for his work on the neural bases of consciousness. He is the president and chief scientist of the Allen Institute for Brain Science in Seattle. From 1986 until 2013, he was a professor at the California Institute of Technology.
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DMT and Integrated Information Theory

Neuroscientist Christof Koch’s 5-MeO-DMT experience, marked by self-dissolution and “terror and ecstasy,” sparks a deep discussion on consciousness, Integrated Information Theory (IIT), and reality. IIT suggests consciousness is non-computable and may exist beyond individual brains, potentially forming higher-order minds. Koch inquires whether his psychedelic journey was a mere brain state or a glimpse into a universal mind.

The Integrated Information Theory of Consciousness

The science of consciousness has made great strides by focusing on the behavioral and neuronal correlates of experience. However, such correlates are not enough if we are to understand even basic facts. Moreover, correlates are of little help in many instances where we would like to know if consciousness is present: patients with a few remaining islands of functioning cortex, pre-term infants, non-mammalian species, and machines that are rapidly outperforming people at driving, recognizing faces and objects, and answering difficult questions. To address these issues, we need a theory of consciousness–one that says what experience is and what type of physical systems can have it.

Cover image for Then I Am Myself the World: What Consciousness Is and How to Expand It

Then I Am Myself the World

What Consciousness Is and How to Expand It

Neuroscientist Christof Koch explores the nature of consciousness, blending scientific research with personal experiences, including his own psychedelic journey. He examines how our brains generate subjective experiences, discusses the transformative potential of altered states, and delves into Integrated Information Theory to propose that consciousness arises from the brain’s intrinsic causal power.

Mentioned in 3 documents

Ruben Laukkonen and Shamil Chandaria

A Beautiful Loop

Laukkonen and Chandaria propose that consciousness arises from a recursive brain process involving three key elements: a reality model, competitive inferences reducing uncertainty, and a self-aware feedback loop. This framework explains various states of awareness, including meditation, psychedelic experiences, and minimal consciousness. It also offers insights into artificial intelligence by connecting awareness to self-reinforcing predictions. The authors’ theory suggests that consciousness emerges when the brain’s reality model becomes self-referential, creating a “knowing itself” phenomenon. This recursive process underlies different levels of conscious experience and potentially informs AI development.

James Glattfelder

Information — Consciousness — Reality

This open access book chronicles the rise of a new scientific paradigm offering novel insights into the age-old enigmas of existence. Over 300 years ago, the human mind discovered the machine code of reality: mathematics. By utilizing abstract thought systems, humans began to decode the workings of the cosmos. From this understanding, the current scientific paradigm emerged, ultimately discovering the gift of technology. Today, however, our island of knowledge is surrounded by ever longer shores of ignorance. Science appears to have hit a dead end when confronted with the nature of reality and consciousness. In this fascinating and accessible volume, James Glattfelder explores a radical paradigm shift uncovering the ontology of reality. It is found to be information-theoretic and participatory, yielding a computational and programmable universe.

Christian List

What is it Like to be a Group Agent?

The existence of group agents is relatively widely accepted. Examples are corporations, courts, NGOs, and even entire states. But should we also accept that there is such a thing as group consciousness? I give an overview of some of the key issues in this debate and sketch a tentative argument for the view that group agents lack phenomenal consciousness. In developing my argument, I draw on integrated information theory, a much-discussed theory of consciousness. I conclude by pointing out an implication of my argument for the normative status of group agents.