"The Unconscious Brain Can Do Math"

«In the second part of the study, the scientists examined how the unconscious brain processes math problems. Using the CFS technique again, the researchers subliminally exposed the participants to three-digit equations, such as "9 − 3 − 4," for two seconds or less. Then, the participants were shown a number (without CFS masking it) and told to say it out loud. The students were quicker to read aloud a number that was the right answer to the equation they had just subconsciously seen. For example, after being exposed to "9 − 3 − 4," they were quicker to pronounce "2" than "3." This suggests they subconsciously worked out the problem and had the answer on their lips. Other recent studies have shown that humans might be able to unconsciously perform tasks that have typically been associated with consciousness, such as learning and forming intuitions. The new study adds complex, rule-based operations to that list.»

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