Differences between Grasp Reflex and Moro Reflex (Startle reflex) seen in Babies
The grasp reflex and the Moro reflex are both primitive reflexes seen in newborns, but they serve different purposes and are triggered by different stimuli. Here’s a comparison:
Grasp Reflex
Definition: An involuntary reflex where a baby’s fingers close around an object placed in their palm.
Trigger: Stroking the palm of the baby’s hand.
Purpose: Thought to be a survival mechanism, helping the baby cling to their mother.
Duration: Typically present from birth until about 5-6 months of age.
Moro Reflex
Definition: Also known as the startle reflex, it causes the baby to react to a sudden loud noise or movement.
Trigger: A sudden loud sound or the sensation of falling.
Purpose: Believed to be a protective response, helping the baby react to potential danger.
Duration: Usually present from birth and starts to fade around 2-4 months of age, disappearing by 6 months.
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