Snout reflex
Snout Reflex
The Snout Reflex (pronunciation: /snaʊt rɪˈflɛks/) is a primitive reflex observed in infants and certain neurological conditions in adults.
Etymology
The term "snout reflex" is derived from the word "snout", referring to the part of an animal's head that includes the nose, mouth, and jaw, and "reflex", a term in neurology that refers to an involuntary and nearly instantaneous movement in response to a stimulus.
Definition
The Snout Reflex is a pout reflex that is elicited by light tapping of the closed lips near the midline. The response is a pouting or pursing of the lips that appears like a snout. This reflex is normal in infants but should disappear by the age of 2-3 years. If it persists or reappears in adults, it may indicate a neurological condition, particularly those affecting the frontal lobes of the brain.
Related Terms
- Primitive reflexes: These are reflex actions originating in the central nervous system that are exhibited by normal infants, but not neurologically intact adults, in response to particular stimuli.
- Frontal lobes: The frontal lobes are the part of the brain involved in motor function, problem solving, spontaneity, memory, language, initiation, judgement, impulse control, and social and sexual behavior.
- Pout reflex: The pout reflex is a primitive reflex found in newborns, which disappears around the age of 2-3 years. It is elicited by tapping or stroking the lips, causing them to protrude as if pouting.
See Also
External links
- Medical encyclopedia article on Snout reflex
- Wikipedia's article - Snout reflex
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