signs presents prevents
A noted American psychologist once remarked that childhood is a magical period in one's life.Indeed it is, for during  childhood  one undergoes a step-by-step transformation not only in mental capacity, but also in physical and verbal skills.Each step  [MASK]  an increase in the difficulty of a child's conceptual and learning abilities.During the early stages of childhood, from infancy to about five, the child learns  simple  skills including using the toilet, bathing and dressing himself independently.At this stage, he also learns to be very observant, curious, imaginative and creative.His ability to remember things also  develops  at this stage.