Trivial quarrels between parents , children are present , do not seem something very dramatic , but research suggests that they may have harmful effects prolonged . Even quarrels small , not very violent , can be harmful : Brain scans have shown that children who face family problems mild or moderate, at age 11 , shows signs of brain damage and may have a higher risk to develop psychiatric illnesses . For the child, parents are models for which they will use to develop their personality . What he sees and lives every day with his family depends on the way he will communicate with the surrounding environment .
