Oct 11, 2012
are a neurological phenomenon and a form of synesthesia wherein numbers are represented as a spatial map which involuntarily appears when the viewer thinks of numbers. Number-form synesthetes demonstrate faster reaction time in deciding which of two numbers is larger. Number forms are unique and stable across the lifetime. The following sample is the number form of a subject studied by Sir Francos Galton. Note that the first twelve figures correspond to those of a clock face.