4 months children will also "be jealous"
psychologists believe that baby until after the age of 2 will be jealous of such complex emotions. United Kingdom the latest study found that 4-month-old baby may already know how "jealous".
United Kingdom psychologist Lorenz accidentally discovered an 4-5 months old babies revealed feelings of jealousy and decided on 24 mothers and their only studied infants aged 4-6 months.
Organization of Lorenz first the mothers talk to each other, and then get them to pick up someone else's baby touch. Results showed that when mothers talk to each other, 24 infants, 3 babies to cry/but when she picked up the other baby when you touch, there are 13 baby stop crying.