Church-Turing and neurobiology
No general model of algorithmic computation is more powerful than a Turing machine
Are animal brains algorithmic computers???
“There is no doubt that the brain can perform algorithmic computations, but that does not mean that its underlying computational mechanism is algorithmic. It is quite possible that the brain can perform computations not expressible with Turing machines”
Fundamentals of the Theory of Computation
Ray Greenlaw and H. James Hoover, p. 85