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The result is a compensatory movement of the eyes. The vestibulo-ocular reflex (VOR) is a reflex that acts to stabilize gaze during head movement, with eye movement due to activation of the vestibular system, it is also known as the cervico-ocular reflex. The reflex acts to stabilize images on the retinas of the eye during head movement. Gaze ...
Parinaud's syndrome is a cluster of abnormalities of eye movement and pupil dysfunction, characterized by: Paralysis of upwards gaze: Downward gaze is usually preserved. This vertical palsy is supranuclear, so doll's head maneuver should elevate the eyes, but eventually all upward gaze mechanisms fail. In the extreme form, conjugate down gaze ...
Individuals suffering from complete horizontal gaze palsy cannot move either eye past the midline in a single direction. The eyes of a patient with pontine lesions involving the sixth nerve nucleus or PPRF may stray from the lesion's side. Patients with a left pontine lesion will be unable to look to their left and may have their eyes deviated ...
Actaea pachypoda, the white baneberry or doll's-eyes, is a species of flowering plant in the genus Actaea, of the family Ranunculaceae. The plant is native to eastern North America, in eastern Canada, and the Midwestern and Eastern United States. It prefers clay to coarse loamy upland soils, and is found in hardwood and mixed forest stands.
In medicine, the caloric reflex test (sometimes termed ' vestibular caloric stimulation ') is a test of the vestibulo-ocular reflex that involves irrigating cold or warm water or air into the external auditory canal. This method was developed by Robert Bárány, who won a Nobel Prize in 1914 for this discovery.
“If ever a plant said ‘don’t put me in your mouth’, this is it.”
Oculocephalic reflex, also known as the doll's eye, is performed to assess the integrity of the brainstem. Patient's eyelids are gently elevated and the cornea is visualized. The patient's head is then moved to the patient's left, to observe whether the eyes stay or deviate toward the patient's right; same maneuver is attempted on the opposite ...
Hering–Breuer reflex — is a reflex triggered to prevent over-inflation of the lung; Hoffmann's reflex — also known as the finger flexor reflex; middle finger and thumb response. Test can indicate both neurological damage and nerve regeneration; often combined with the Babinski reflex test. Jaw jerk reflex