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The glabellar reflex, also known as the "glabellar tap sign", is a primitive reflex elicited by repetitive tapping of the glabella — the smooth part of the forehead above the nose and between the eyebrows. [1]
Babinski's sign in a healthy newborn. The Babinski sign can indicate upper motor neuron lesion constituting damage to the corticospinal tract.Occasionally, a pathological plantar reflex is the first and only indication of a serious disease process and a clearly abnormal plantar reflex often prompts detailed neurological investigations, including CT scanning of the brain or MRI of the spine, as ...
The fixation reflex is that concerned with attracting the eye on a peripheral object. For example, when a light shines in the periphery, the eyes shift gaze on it. It is controlled by the occipital lobe of the cerebral cortex, corroborated by three main tests: Removal of cortex causes shutdown of this reflex
Cushing reflex (also referred to as the vasopressor response, the Cushing effect, the Cushing reaction, the Cushing phenomenon, the Cushing response, or Cushing's Law) is a physiological nervous system response to increased intracranial pressure (ICP) that results in Cushing's triad of increased blood pressure, irregular breathing, and bradycardia. [1]
Reflex is a Czech weekly magazine focusing on political, social and cultural topics. [1] It was founded in 1990 and is currently owned by company Czech News Center. It is one of the Czech Republic's most controversial and widely read social-political magazines; its print circulation of 60,000 copies (as of January, 2010) reaches approximately 270,000 readers. [2]
The withdrawal reflex (nociceptive flexion reflex or flexor withdrawal reflex) is a spinal reflex intended to protect the body from damaging stimuli. [1] The reflex rapidly coordinates the contractions of all the flexor muscles and the relaxations of the extensors in that limb causing sudden withdrawal from the potentially damaging stimulus. [2]
In humans, absence of the palmar grasp reflex or persistence of the reflex can both be indicators of neurodevelopmental abnormalities. In a normal infant, the palmar grasp reflex is present during the first three months of age and disappears by six months of age. Disappearance of the reflex has been attributed to conscious and voluntary hand ...
The Chaddock reflex is a diagnostic reflex similar to the Babinski reflex. Chaddock's sign is present when stroking of the lateral malleolus causes extension of the great toe, indicating damage to the corticospinal tract .