There is only cosmic consciousness. We, as well as all other living organisms, are but dissociated alters of cosmic consciousness, surrounded by its thoughts. The inanimate world we see around us is the extrinsic appearance of these thoughts.

The Universe in Consciousness (2018)

Portrait of Bernardo Kastrup

Bernardo Kastrup

Philosopher and Computer Engineer

Bernardo Kastrup is a Dutch-Brazilian philosopher and computer scientist who has challenged one of science’s biggest assumptions: that the physical world exists independently of consciousness. Kastrup is recognized for his contributions to consciousness studies, notably through his formulation of analytic idealism—a variant of metaphysical idealism rooted in the analytic tradition.

His revolutionary idea suggests that consciousness isn’t produced by the brain—rather, everything we call “physical reality” is actually patterns within one universal consciousness. Think of it like a cosmic mind experiencing different dreams, where each of us represents a localized perspective within that larger awareness.

Born in Brazil and later relocating to Europe, Kastrup has authored numerous books and academic articles challenging physicalism and advocating for the view that consciousness constitutes the foundation of reality. As executive director of the Essentia Foundation, he continues to develop what he calls “the 21st-century’s only plausible metaphysics”—a bold attempt to solve the hard problem of consciousness by turning our understanding of reality inside out.

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Making Sense of the Mental Universe

What if the universe is fundamentally mental? Kastrup argues that puzzling findings in quantum physics support the idea of a universal mind. He proposes that our individual psyches are like dissociated “alters” within this one mind, and the physical world we perceive is the interface where our consciousness interacts with this greater mental reality.

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Cover image for The Idea of the World

The Idea of the World

A bold, lucid synthesis of philosophy, neuroscience, and physics, The Idea of the World argues that reality is fundamentally mental. Challenging the contradictions of materialism, Kastrup presents a clear, evidence-based case for idealism—one that unites classical and quantum worlds while revealing how our deepest assumptions shape the way we understand existence itself.

The Universe in Consciousness

Imagine a world where everything is connected by a single mind: Bernardo Kastrup argues that reality is fundamentally mental, not physical. He suggests that what we perceive as individual consciousness is actually fragments of a universal consciousness. Kastrup challenges the mainstream view of materialism, proposing instead that the mind is the primary substance of the universe. By integrating concepts from psychology, neuroscience, and philosophy, he presents a compelling case for a mental universe, urging us to rethink our understanding of reality.

Mentioned in 4 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.

Robert Lawrence Kuhn

A Landscape of Consciousness

Diverse explanations or theories of consciousness are arrayed on a roughly physicalist-to-nonphysicalist landscape of essences and mechanisms. Categories: Materialism Theories (philosophical, neurobiological, electromagnetic field, computational and informational, homeostatic and affective, embodied and enactive, relational, representational, language, phylogenetic evolution); Non-Reductive Physicalism; Quantum Theories; Integrated Information Theory; Panpsychisms; Monisms; Dualisms; Idealisms; Anomalous and Altered States Theories; Challenge Theories. There are many subcategories, especially for Materialism Theories. Each explanation is self-described by its adherents, critique is minimal and only for clarification, and there is no attempt to adjudicate among theories. The implications of consciousness explanations or theories are assessed with respect to four questions: meaning/purpose/value (if any); AI consciousness; virtual immortality; and survival beyond death. A Landscape of Consciousness, I suggest, offers perspective.

Christof Koch

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.

Joscha Bach

How a Spiritual Worldview Explains Consciousness

Josha Bach reinterprets animism through the lens of computer science as “cyber animism,” where life itself is self-organizing software—spirit as code—running on biological hardware. This living software grants organisms agency, coherence, and experience, revealing that the ancient intuition of a world alive may have been technically correct all along.