neck reflexes

neck reflexes
reflex adjustments in trunk posture and limb position caused by stimulation of proprioceptors in the neck joints and muscles when the head is turned; this tends to maintain a constant orientation between the head and the body.

Medical dictionary. 2011.

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  • Magnus and de Kleijn neck reflexes — extension of both ipsilateral limbs, or one, or part of a limb, and increase of tonus on the side to which the chin is turned when the head is rotated to the side, and flexion with loss of tonus on the side to which the occiput points; a sign of… …   Medical dictionary

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  • Reflex — A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The nasal reflex is a sneeze. * * * 1. An involuntary reaction in response to a stimulus applied to the periphery and transmitted to the… …   Medical dictionary

  • Decerebration — For decerebrate response, see abnormal posturing. Decerebration is the elimination of cerebral brain function in an animal by removing the cerebrum, cutting across the brain stem, or severing certain arteries in the brain stem. Decerebration… …   Wikipedia

  • Kohnstamm's phenomenon — First described by German neurologist Oskar Kohnstamm (1871 1917) in 1915, Kohnstamm s phenomenon is a sustained involuntary contraction of a muscle after a prolonged voluntary contraction. The simplest demonstration is to have a subject press… …   Wikipedia

  • Rudolf Magnus — (Brunswick, September 2, 1873 mdash; Switzerland, 1927) was a German pharmacologist and physiologist. He studied medicine, specialising in pharmacology, in Heidelberg, where he became associate professor of pharmacology in 1904. In 1908 he became …   Wikipedia

  • Tonic vibration reflex — is a sustained contraction of a muscle subjected to vibration. This reflex is caused by vibratory activation of muscle spindles muscle receptors sensitive to stretch.Tonic vibration reflex is evoked by placing a vibrator which in this case is… …   Wikipedia

  • Лебедев, Михаил Альбертович — Михаил Альбертович Лебедев (род. 1963) русский нейробиолог, исследователь коры полушарий головного мозга.Закончил Московский физико технический институт в 1986 г. Руководителем его дипломной работы был Виктор Семенович Гурфинкель. Лебедев работал …   Википедия

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