Affect (philosophy)

"Affect" (latin affectus or adfectus) is a concept used in philosophy by Spinoza and Deleuze and Guattari. According to Spinoza's Ethics III, 3, Definition 3, an affect is an empowerment, and not a simple change or modification. Affects, according to Deleuze, are not simple affections, as they are independent from their subject. Artists create affects and percepts, "blocks of space-time", whereas science works with functions, according to Deleuze, and philosophy creates concepts.