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Peter Godfrey-Smith
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conference paper description
I introduce a theoretical framework, due originally to Lewis and Skyrms, used in several talks in the PSA symposium "Signaling Within the Organism." I contrast sender-receiver systems as they appear within and between organisms, and as they function in the bridging of space and of time. Memory can be seen as the sending of messages over time, communication between an earlier and later self. I then compare psychological and genetic memory with respect to their relations to the sender-receiver model, arguing that some puzzles concerning genetic information can be resolved by seeing the genome as a cell-level memory with no sender.

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