Describe some major reflexes in the new born.

Solution

Major reflexes in the newborn:

Reflex

Description

Developmental Course

(i) Rooting

(ii) Moro

(iii) Grasp

(iv) Babinski

(i) Turning the head and opening the mouth when touched on the cheek.

(ii) If there a loud noise, the baby will throw her/his arms outward while arching her/his back, and then bring the arms together as if grasping something.

(iii) When a finger or some other object is pressed against the baby’s palm, the baby’s fingers close around it.

(iv) When the bottom of the baby’s foot is stroked, the toes fans out and then curl.

(i) Disappears between 3 and 6 months.

(ii) Disappears in 6 to 7 months (although reaction to loud noises is permanent)

(iii) Disappears in 3 to 4 months; replaced by voluntary grasping.

(iv) Disappears in 8 to 12 months.

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Human Development

Describe some major reflexes in the new born.

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