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The plantar reflex is a reflex elicited when the sole of the foot is stimulated with a blunt instrument. The reflex can take one of two forms. In healthy adults, the plantar reflex causes a downward response of the hallux ( flexion ). An upward response ( extension) of the hallux is known as the Babinski response or Babinski sign, named after ...
The name comes from the similarity to asymmetrical tonic neck reflex (ATNR), also referred to as fencing reflex, which occurs in newborns.. This is when newborn babies position themselves with one ...
Frontal release sign. Frontal release signs are primitive reflexes traditionally held to be a sign of disorders that affect the frontal lobes. The appearance of such signs reflects the area of brain dysfunction rather than a specific disorder which may be diffuse, such as a dementia, or localised, such as a tumor. [1]
Hoffmann's reflex. Hoffmann's reflex ( Hoffmann's sign, sometimes simply " Hoffmann's ", also finger flexor reflex) [1] is a neurological examination finding elicited by a reflex test which can help verify the presence or absence of issues arising from the corticospinal tract. It is named after neurologist Johann Hoffmann. [2]
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.
Moniz sign. Moniz sign is a clinical sign in which forceful passive plantar flexion of the ankle elicits an extensor plantar reflex. It is found in patients with pyramidal tract lesions, and is one of a number of Babinski-like responses. [1] It is named after Portuguese neurologist António Egas Moniz. [2]
The Ferguson reflex is when the body releases a baby involuntarily — that is, without forced pushing on your part. The closer you get to labor, the more you likely want to make your birthing ...
Glabellar reflex. 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] Subjects respond to the first several taps by blinking; if tapping were to then be made to persist, in cognitively ...