<P> The studies of Paul Ekman, a psychologist who created the Facial Action Coding System (FACS), indicates that a lot of "thin slicing" can be done within seconds by unconsciously analyzing a person's fleeting look called a microexpression . Ekman claims that the face is a rich source of what is going on inside our mind and although many facial expressions can be made voluntarily, our faces are also dictated by an involuntary system that automatically expresses our emotions . </P> <P> Richard Posner, a professor at the University of Chicago and a judge on the United States Court of Appeals for the Seventh Circuit, argues that Gladwell in Blink fails to follow his own recommendations regarding thin - slicing, and makes a variety of unsupported assumptions and mistakes in his characterizations of the evidence for his thesis . The Daily Telegraph review writes, "Rarely have such bold claims been advanced on the basis of such flimsy evidence ." </P> <P> In Think!: Why Crucial Decisions Can't Be Made in the Blink of an Eye (Simon and Schuster, 2006), Michael LeGault argues that "Blinklike" judgements are not a substitute for critical thinking . He criticises Gladwell for propagating unscientific notions: </P> <Dl> <Dd> As naturopathic medicine taps into a deep mystical yearning to be healed by nature, Blink exploits popular new - age beliefs about the power of the subconscious, intuition, even the paranormal . Blink devotes a significant number of pages to the so - called theory of mind reading . While allowing that mind - reading can "sometimes" go wrong, the book enthusiastically celebrates the apparent success of the practice, despite hosts of scientific tests showing that claims of clairvoyance rarely beat the odds of random chance guessing . </Dd> </Dl>

Blink the power of thinking without thinking sparknotes