Myth: We only use 10 per cent of our brain. Reality: Brain imaging suggests that all parts of the brain are active. Myth: We have multiple "types" of intelligence, from interpersonal to logical, with corresponding IQs. Reality: Neuroscientific research distinguishes cognitive processes in the brain, but these do not correspond to different intelligences. A more accepted view is that each person has a general intelligence, and their various cognitive abilities are correlated with how high this is. Myth: The left side of the brain deals with rational thinking and the right side is emotional. Most people are dominated by one half, which can be remedied by exercises such as the "Brain Gym" programme. Reality: Each side has different functions, but there is little evidence that these reflect thinking styles. Brain Gym, popular in 80 countries, is considered pseudoscience by several scientific societies. Myth: Drinking plenty of water is important for brain function. Reality: Thirst kicks in long before lack of water affects brain function. Drinking water in class may improve performance because it creates mini-breaks that help with focus. Myth: Bilingual education leads to confusion and delayed development, due to conflict between the two language systems. Reality: The opposite is true. Switching between languages improves impulse control and the ability to concentrate. NewScientist

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