Birth, Infancy, and Maturation - The third year



The third year is extremely important. Children are usually toilet trained, show marked growth in their language abilities, and demonstrate a continuing and growing independence.

Negativism

From two to about three and perhaps beyond, a child is extremely negative. When asked to do anything or when asked about anything, he often responds by saying, “No, no, no, no, no.” This saying of the word “no” on the slightest provocation indicates a child's wish to become separate and independent from parents, to do what he wants to do when he wants to do it, and to be free from the control of others.

The child's desire for independence can be respected and encouraged by parents within limits, but this does not mean that a parent must give in to a child on every issue. A parent should try to determine what is really important and not make an issue over petty matters that can best be handled with relaxed good humor.

Language Development and Play

A rapid spurt in language development takes place at this time. A child may increase his vocabulary from about 50 words at the beginning of the third year to an almost countless vocabulary at the end of the third year. It is during this year, too, that children first show marked interest in imaginative play activities. Play, including making up stories, using toy trucks and cars, blocks, dolls, and toy furniture, is vital activity for children and should be encouraged by parents. It is through play that children express their feelings, often feelings that cannot be expressed in ordinary ways. The child also experiences what it feels like to be an adult by playing the role of physician, fire fighter, police officer, teacher, mother or father. In addition, during play children discharge tensions and learn to use their muscles and bodies.

Exploring the Body

From very early infancy, all children show a strong interest in their own and in other's bodies. During infancy this takes the form of playing with his own or his mother's body. A baby puts his fingers in his own mouth, in his mother's mouth, ears, eyes, and pats her on the tummy or on the breast. An infant also explores and touches his own body, including the genital region. This interest is normal and need not be discouraged.

Dental Development

The roots of all 20 primary teeth are complete at the child's third year of life. These teeth, which began erupting between 6 and 7 months of age, are called the central incisors . The primary teeth, the last of which usually fall out between the eleventh and thirteenth year, are smaller and whiter than the permanent teeth, of which there are 32. The first permanent tooth erupts between 7 and 8 years of age, while the last, the third molars, or wisdom teeth , erupt between the seventeenth and twenty-first year.



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