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Nystagmus. Nystagmus is a condition of involuntary (or voluntary, in some cases) [1] eye movement. [2] People can be born with it but more commonly acquire it in infancy or later in life. In many cases it may result in reduced or limited vision. [3] In normal eyesight, while the head rotates about an axis, distant visual images are sustained by ...
Parinaud's syndrome is a constellation of neurological signs indicating injury to the dorsal midbrain. More specifically, compression of the vertical gaze center at the rostral interstitial nucleus of medial longitudinal fasciculus (riMLF). It is a group of abnormalities of eye movement and pupil dysfunction and is named for Henri Parinaud [ 6 ...
It is located above the brain stem, posterior to the brain. Cerebellar degeneration is a condition in which cerebellar cells, otherwise known as neurons, become damaged and progressively weaken in the cerebellum. [1] There are two types of cerebellar degeneration; paraneoplastic cerebellar degeneration, and alcoholic or nutritional cerebellar ...
Congenital blindness is a hereditary disease and can be treated by gene therapy. Visual loss in children or infants can occur either at the prenatal stage (during the time of conception or intrauterine period) or postnatal stage (immediately after birth). [3] There are multiple possible causes of congenital blindness.
Medulloblastoma is the second-most frequent brain tumor in children after pilocytic astrocytoma [ 37] and the most common malignant brain tumor in children, comprising 14.5% of newly diagnosed brain tumors. [ 38] In adults, medulloblastoma is rare, comprising fewer than 2% of CNS malignancies. [ 39]
Nearly one in five new cervical cancers diagnosed from 2009 to 2018 were in women 65 and older, according to a new UC Davis study. But what has experts concerned is that, according to the study ...
Gerstmann–Sträussler–Scheinker syndrome ( GSS) is an extremely rare, always fatal (due to it being caused by prions) neurodegenerative disease that affects patients from 20 to 60 years in age. It is exclusively heritable, and is found in only a few families all over the world. [ 1] It is, however, classified with the transmissible ...
Myth #1: Your brain stops growing at a certain age. Scientists used to think that the brain stopped developing after adolescence. But we now know that your brain can change and develop at any age ...