During the second year infants begin to walk and talk. Mobility enables them to explore the shapes and textures of objects in their environment but brings with it the dangers of swallowing or aspirating objects they find. These activities enable them to wean themselves from close maternal attachment, and this process is sometimes accompanied by rebellion against the mother.
No takes yet. Share an insight, caveat, or question.
H B Valman (1981) studied this question.