The Stroop Test involves reading the colour of words rather than the word itself. This is difficult in people who have damaged their frontal lobes because this part of the brain controls behaviour.
This clip is part of the Christmas Lectures 2011 presented by Professor Bruce Hood - Lecture Two: Who's in charge here anyway?
View the full Lectures on the Ri Channel:
www.richannel.org/christmas-lectures/2011/meet-your-brain