this post was submitted on 17 Mar 2024
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[–] [email protected] 4 points 9 months ago* (last edited 9 months ago)

The way in which organisms recognize "their own" vs outsider stuff is a different and complex topic, at least as fascinating as fungi.

Liquid brains, solid brains | Philosophical Transactions of the Royal Society B: Biological Sciences

Cognitive networks have evolved a broad range of solutions to the problem of gathering, storing and responding to information. Some of these networks are describable as static sets of neurons linked in an adaptive web of connections. These are ‘solid’ networks, with a well-defined and physically persistent architecture. Other systems are formed by sets of agents that exchange, store and process information but without persistent connections or move relative to each other in physical space. We refer to these networks that lack stable connections and static elements as ‘liquid’ brains, a category that includes ant and termite colonies, immune systems and some microbiomes and slime moulds. What are the key differences between solid and liquid brains, particularly in their cognitive potential, ability to solve particular problems and environments, and information-processing strategies? To answer this question requires a new, integrative framework.