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Finding the Face of Fear 
The look of fear registers faster than other emotions when people look at the faces of others, says a study released in the journal Emotion. People process happiness and indifference much slower than fear, said David Zadal, a Vanderbilt University psychology professor. The whites of the eye may be the facial feature that helps the brain recognize fear, because more of that part of the eye shows when a person is afraid. “There a reasons to believe that the brain has evolved mechanisms to detect tings in the environment that signal threat,” Zadal said. “We believe the brain can detect certain cues even before we are aware of them, so that we can direct our attention to potentially threatening situations in our environment.” |
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