Sometimes the artist will experiment with simple variations. For example, take a head of hair and toss in the facial features in various combinations and styles and see what happens. Somehow each one begins to speak. Here's a terriffic example below. And this is just the tip of an iceberg. Go visit her blog and just spend some time scrolling back in time through her enormous body of work at peekadoo.blogspot.com
And congratulations to the artist for being included in the latest edition of New American Paintings.