“Sperber’s upside-down spool sculptures made up of 4,392 spools of colored thread create a visual experience directly connected to the method in which one's brain must piece together sensory data in a clear, physical representation. The flow of information from the eyes to the brain is known as 'top-down processing'. With each spool of thread being a dot of color, equivalent to that of a 'pixel', the human eye is able to recognize the larger visual pattern once witnessed through a clear convex surface…”
See more of her works here. Earlier versions of American Gothic were only made of 500 spools of thread. Amazing what only a limited number of spools can do.