Nick Bostrom
Oxford University
Functionalist What matters is the organisation of the processing, not the material
Nick Bostrom argues from a functionalist framework that consciousness and cognitive identity are substrate-independent. In his landmark 2003 paper “Are You Living in a Computer Simulation?” (Philosophical Quarterly, DOI: 10.1111/1467-9213.00309) and the 2008 Whole Brain Emulation: A Roadmap (with Anders Sandberg), he formalized the philosophical foundations for transferring minds into computational substrates.
Bostrom’s position holds that a sufficiently fine-grained computational simulation of a human brain, replicating its causal and functional structure, would possess genuine phenomenal consciousness and subjective experience.
In Superintelligence: Paths, Dangers, Strategies (Oxford University Press, 2014, ISBN 978-0-19-967811-2), he identified whole brain emulation as one of the primary plausible pathways to synthetic intelligence, while noting that the societal and ethical implications of mind uploading hinge on whether digital copies possess moral status and continuous subjective identity.
Known for. Superintelligence (2014), the Simulation Argument (2003), and co-authoring Whole Brain Emulation: A Roadmap (2008)
Coverage on this site
- State of Brain Emulation Report 2025 and how far the Sandberg Bostrom roadmap has moved August 2026
- The Sandberg and Bostrom whole brain emulation roadmap eighteen years on August 2026
Related researchers
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Anders SandbergFuture of Humanity Institute, Oxford UniversityCo-author of Whole Brain Emulation: A Roadmap (2008) with Nick Bostrom, computational neuroscience, and technological futures
- Anton ArkhipovAllen Institute for Brain ScienceLarge-scale neural simulation, biophysically detailed cortical models, AIBRAIN program, State of Brain Emulation Report 2025
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Blaise Agüera y ArcasGoogle VP and Fellow, CTO of Technology & SocietyComputational functionalism, active inference, on-device neural computing, What Is Intelligence? (2025), and Who Are We Now? (2023)
- Igor AleksanderImperial College LondonAxiomatic Consciousness Theory, neural state machines, The World in My Mind, pioneering neural network engineering
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Joscha BachCalifornia Institute for Machine ConsciousnessThe machine consciousness hypothesis, cyber animism, and MicroPsi
- Talis BachmannUniversity of TartuAttention-awareness theory, the preactivation hypothesis for conscious perception, masking and the microgenesis of awareness, perception without awareness
Nick Bostrom is listed with the other functionalists and computationalists, who hold that what matters is the organisation of the processing, not the material. The theory family behind that position is set out in the index of consciousness theories. Every researcher covered on this site is indexed in the directory of consciousness researchers.