Brain has a von Neumann architecture
Three features of Von Neumann architecture also characterise processing in brains: 1) processing is sequential; 2) symbol strings are stored and accessed at specific memory addresses; 3) there's a central processing unit that controls processing.

Note
: For more on the assumption of a central control see "Searle assumes a central locus of control" Map 4, Box 75.
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Artificial Intelligence »Artificial Intelligence
Can computers think? [1] »Can computers think? [1]
Yes: physical symbol systems can think [3] »Yes: physical symbol systems can think [3]
The Biological Assumption »The Biological Assumption
Brain has a von Neumann architecture
Brain accesses information by content not memory address »Brain accesses information by content not memory address
Processing in the brain is distributed »Processing in the brain is distributed
The brain processes information in parallel »The brain processes information in parallel
Searle assumes a central locus of control »Searle assumes a central locus of control
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