I recently saw the Yayoi Kusama show at the Whitney and loved it.
Kusama is a Japanese artist who has worked in a variety of media including performance art, painting, collage and environmental installations. Common themes in her work include pattern, repetition and psychedelic colors.
Her vivid paintings are hypnotic; the obsessive dots and bold colors seem to pulsate and assume a lifelike quality. Here are some images that I found of the artist and her work: