A reflex is a movement or action that is performed involuntarily or automatically. Reflex movements which are generally seen only in infancy are called 'Primitive or Infantile Reflexes'. In other words Reflexes are specific, predictable, involuntary responses to a particular type of stimulation.
These are few examples of baby's reflexes:
Moro reflex | Startle Reflex
Moro Reflex is a reflex that disappears after 4 Months. The Moro Reflex appears when the baby feels a sense of falling, when his head falls back, or when there is a sudden noise. The sense of falling causes the baby to stretch his arms and legs, arch the back and pull back the head, then fold back toward the chest with tightly closed punches. This reflex is apparently a survival reflex because when the baby feels danger he clings to his handler.
The test is performed in this following manner - The doctor holds the baby in his hands while the baby's face referred toward the doctor's face and the doctor lower his own hands quickly down, while he grab the baby. The baby thinks that he is gonna fall and this is start the Moro reflex.
This reflex disappears after 4-12 months. The test is performed in this following manner - If the doctor puts his finger on the baby's right foot, in response the baby's fingers opening like a fan and his foot turns to the right.
The sucking reflex, which is present in most full-term babies and some pre-term babies, usually fades by around 4 months of age. This reflex is triggered by inserting a finger, pacifier or nipple into the baby's mouth. The sucking reflex is strongest when the palate is stimulated. The sucking reflex is an automatic response and not a clear sign of hunger. (Of course a baby will suck when he is hungry, but he will also suck when he is not.)
Sucking not only provides a source of nourishment, it also has a calming effect for babies. The urge to suck is stronger in some babies than in others. Many babies, particularly those under 4 months of age, will want to suck for periods of time in addition to when they are feeding.
The baby held upright over a table so that the sole of his foot presses against the table. The baby then simulates walking by initiating reciprocal flexion and extension of the legs.
When you touch the baby's hand with your finger, he will instinctively grabs it and holds it tightly. The Reflex disappeared at the age of six months.
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