Before revision: Generally, parents teach courtesy manners in the same way they teach hygiene manners, but the child also learns manners directly ( by observing the behaviour of other people in their social interactions ) and by imagined social interactions ( through the executive functions of the brain ) .
After revision: Generally, parents teach courtesy manners in the same way they teach hygiene manners, but the child also learns manners directly by observing the behaviour of other people in their social interactions and by imagined social interactions through the executive functions of the brain .