4. Why would a physician test the Babinski reflex in a young child? 5. Labyrinth

Question

4. Why would a physician test the Babinski reflex in a young child? 5. Labyrinthine reflexes a. Nystagmus What is the direction of nystagmus when the subject is stopped after rotation with the head bent forward 30 degrees? With the head bent to the right shoulder at a 90-degree angle? What practical function does the nystagmus reflex play in a person's physiological function b. Past pointing After rotation to the right and stopping, did the subject point to the left or right of the operator's finger? How do you explain this direction of pointing based on teleology (that is, some practical purpose for the observed reflex)? c. Equilibrium In which direction did the subject move or fall when he or she stood up after being rotated to the right and then stopped with the head bent forward 30 degrees? With the head bent to the right 90 degrees? A person lays his or her head on the left shoulder and then is rotated to the left for 20 sec and stopped abruptly. What will be the postrotatory direction of nystagmus If the subject is instructed to stand up immediately after rotation is stopped, what will probably happen to him or her? nn nerceived by the

Explanation / Answer

the babinski reflex is the one of the reflex that is seen in the infant. this reflex is appeared in the infant when his sole of foot is stimulated/stroked by showing reaction of upward and backward movement of his 1st metatarsal.it is disapeared after 1st or 2nd year of child.

absence of this reflex indicate the indevelopment/not fully developed cartico spinal tract(motor pathway that innervate the motor movements),immature cns,defective spinal cord.

presence of this reflex after 2nd year of the child indicate the pyramidal tract dysfunction(the tracts of cartico spinal and cartico bulbar passes through the medullary pyramids).this reflex may be sign in babies with cerebral palsy and autism(nuero developmental disorder characterised by impaired verbal and non verbal communication).

this reflex present in adults who are having meningitis,stroke,spinal injury,brain tumour.

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