Russian term (edited): ������� �������� �����������

There are several, generally known as snout reflex, pout reflex, rooting reflex and sucking reflex. Some neurologists group them into oral reflexes, as seen from this extract:

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Snout and pout reflex

The snout reflex (along with the sucking, rooting and pout reflexes) is ***one of a group of primitive oral reflexes*** that facilitate feeding in the neonate, which were first described more than a century ago.
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Note added at 36 mins (2005-05-31 14:12:53 GMT)
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На всякий случай, цитата из учебника по неврологии. Оттуда видно, что просто primitive reflexes - более широкая группа, но оральные автоматизмы - там:

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Diffuse cerebral disease can unmask ***reflexes normally present only in the infant. These are generally referred to as primitive reflexes.*** They are sometimes referred to as frontal release signs because they are most commonly seen in demented individuals with frontal lobe disease. The ***snout reflex*** is a component of the suck reflex in which there is a puckering movement of the lips in response to pressure or light tapping on the lips. The facial jerks are usually increased in this situation, and it may not be possible to differentiate between the two. The most convincing demonstration that this is a primitive reflex occurs when stroking the cheek elicits the same response it would in an infant or if visual presentation of an object moving toward the mouth produces the response (\"visual suck\"). The ***grasp reflex*** may also be unilateral or asymmetrical and reflects unilateral or asymmetrical frontal lobe disease. It is elicited by diverting the patient\'s attention and casually stroking the palm of the hand with two or three fingers. If the reflex is present, the examiner\'s fingers will be grasped with increasing force; the harder the examiner tries to extricate his fingers, the harder the patient grips. Patients may literally be lifted off the bed and the fingers pried open only with great difficulty after the examiner has put the arm back in a resting position. ***The palmomental reflex*** is obtained by scratching the palm of the hand and observing the reflex contraction of the mentalis muscle of the chin. This reflex is seen more often in demented individuals but may also be seen in normals and is too unreliable to be used as a diagnostic sign of dementia.
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