Reflexes in babies

1. What is asymmetric tonic neck reflex and when is it suppressed?
2. What is symmetric tonic neck reflex and when is it suppressed?
3. When is the palmar grasp reflex suppressed?
4. When is the plantar grasp reflex suppressed?

Answers:
1. When head turned to side, extremities extend on face side and flex on occiput side. This disappears by 6-7 months.
2. With neck flexion, arms flex and legs extend. With neck extension, arms extend and legs flex. This disappears by 6-7 months.
3. 5-6 months.
4. 12-14 months, when walking.