How intelligent are you? - Some organisms are smarter than others | Michael Levin and Lex Fridman

Quick Overview

Michael Levin argues that intelligence, as described in his framework 'Technological Approach to Mind Everywhere' (TAME), is not limited to brains or traditional organisms but exists across multiple scales of biological cognition, from genetics up to ecosystems, suggesting that engineered systems can also exhibit this multiscale intelligence through specific interactions.

Key Points: Levin introduces the TAME framework, an experimentally-grounded approach to understanding diverse bodies and minds, formalizing cognition as a non-binary continuum. Biological cognition operates across multiple tiers: Genetic network, Cytoskeleton, Neural network, Whole tissue/organ, Whole organism, Group, and Ecosystem. The 'Axis of persuadability' illustrates that influencing a system requires less effort and mechanism knowledge when targeting hardware modification (e.g., simple clock setting) compared to communicating cogent reasons. Intelligent systems, whether biological or engineered (like a robot playing Tic-Tac-Toe), solve problems based on their specific dimensional state space (e.g., 2D vs 3D), not necessarily based on their underlying material composition. Levin suggests that engineering systems using 'agnostic material' (like metal/plastic) to manage the underlying chemistry (e.g., ion gradients) allows for control over the system's goal state, similar to how biological systems maintain homeostasis. The core idea is that intelligence is about the competence to solve problems within a given state space, irrespective of whether the medium is naturally evolved or artificially engineered. Levin notes that humans are evolutionarily biased toward understanding 3D movement, making it hard to intuitively grasp cognition operating in lower-dimensional or abstract state spaces.

Context: This discussion features Michael Levin, a developmental biologist known for his work on bioelectricity and morphogenesis, speaking with Lex Fridman about Levin's paper, 'Technological Approach to Mind Everywhere (TAME): an experimentally-grounded framework for understanding diverse bodies and minds' (2021). The conversation centers on redefining intelligence and cognition not as properties exclusively tied to brains or nervous systems, but as emergent properties existing across different scales of biological organization, suggesting that this framework can also apply to engineered systems.