In the belly: the baby puts the finger in his mouth. The baby hands begin to be active from the prenatal period. Between six and eight months after the conception already he is able to find the mouth with the thumb. At week 25, the fetus touches his body in search of tactile sensations.
As soon as the baby is born closes the fist: When the baby is born is equipped with natural reflections that allow him to react to certain stimulus. The baby holds anything that is put in his hand. After few hours of being born, the pediatrician let the baby closing the hand around his forefinger and tries to elevate him slightly. The capacity of pressure of the baby is very strong, so there is no danger for the baby.
Around three months old: Whenever the baby hands cross her field of vision, the baby observes them with attention and she follows them with the glance. And if by chance, the baby hands strike a toy that makes noise, the baby tries to reproduce the gesture, to return to hear the sound. This means that the baby begins to pay attention of what happens around her and to understand that if she turns the head, she can continue seeing her hands. The baby begins to understand the relation cause-effect.
Around the 4 months the baby tries to grasp things: Although we offer a toy that attracts the attention visibly of the baby, at the beginning of the fourth month does not seem attempted to take it.The neurological maturity of the is not sufficient to stretch the arm in the direction of the object. Little by little he will begin to extend the arms towards the objects trying to reach them with the internal part of the hand and the four closed fingers (except the thumb). If we tend the hand after given him a toy, the baby will understand that he must be openhanded and give back the object.
Around the 6 months, the baby hands take and it throw things: At this age, the back of the baby is sufficiently tonic to stay seated. This position has advantages, like raise the head so he can see his hands and the objects that he wants to take. Now their hands have become an instrument of exploration of everything that surround them.
When the baby is 7 month old puts everything in his mouth. When the baby understands that can take things with his hands voluntarily, almost need more than two hands. The baby passes objects from hand to hand and then puts them in his mouth. To do this correctly need some ability and precision that it will take some time.
After the baby is 10 months old, catches things and the let go. Close the hand around an object is instinctive, but let go the precious treasure requires maturity. Now, the baby will understand the concept of permanence of the objects, so even if they let go the object will be still there.
After 18 months: The baby learns makings mistakes. Now the baby learns experimenting with objects from different shapes, like playing how to put the square in the square shape.
Around one year old: The baby learns that if opposes the thumb to the index he can have a very useful clamp to take the small objects. Now the baby becomes a pressure expert, takes the things by the end. Also it discovers the nails, scratching labels, removing the cover from a toy…
From 2 to 3 years old the baby makes things better and better. Now baby hands can do almost everything. He moves like adults, imitating everything that adults do. Even his games are playing to be an adult. At this age the baby wants to play with the broom, iron, hoover.