In article <1991Sep30.011017.9280 at acsu.buffalo.edu> lammens at acsu.buffalo.edu (Joe Lammens) writes:
>I have the idea that aesthetics must have a biological basis, in the sense
>that something aesthetically pleasing evokes different neural activation
>patterns than something which is not. Is anything known about that?
Look into the Golden Section. Leonardo did some stuff with it. The
greeks thought that the golden ratio was the most aesthetically
pleasing ratio there was.