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Focal neurological deficits may be caused by a variety of medical conditions such as head trauma, [1] tumors or stroke; or by various diseases such as meningitis or encephalitis or as a side effect of certain medications such as those used in anesthesia. [2] Neurological soft signs are a group of non-focal neurologic signs. [3]
This is a list of major and frequently observed neurological disorders (e.g., Alzheimer's disease), symptoms (e.g., back pain), signs (e.g., aphasia) and syndromes (e.g., Aicardi syndrome). There is disagreement over the definitions and criteria used to delineate various disorders and whether some of these conditions should be classified as ...
Pages in category "Symptoms and signs: Nervous system" The following 101 pages are in this category, out of 101 total. This list may not reflect recent changes. A.
Tourette's syndrome is an inherited neurological disorder. Early onset may be during childhood, and it is characterized by physical and verbal tics. Tourette's often also includes symptoms of both OCD and ADHD indicating a link between the three disorders. The exact cause of Tourette's, other than genetic factors, is unknown.
Cases involving these symptoms are classified as functional disorders ("functional" in this context is usually contrasted with the old term "organic disease"). For example, in functional neurologic disorder (FND), those affected present with various neurological symptoms such as functional seizures, numbness, paresthesia, and weakness, among ...
Pyramidal signs can be a result from different types of damage to the brain or spinal cord, such as strokes, infections, tumors, hemorrhagic events, multiple sclerosis, or trauma. [ 4 ] Parkinsonian-Pyramidal syndrome (PPS) is a combination of both pyramidal and parkinsonian signs that manifest in various neurodegenerative diseases.
PRES usually has an acute onset. Most people with PRES experience headaches and seizures; many also experience visual changes, confusion, drowsiness, weakness of the arm and/or leg on one side of the body (hemiplegia), difficulty speaking, or, more rarely, other neurological symptoms.
Most neurons have the ability to use other fuels besides glucose (e.g. lactic acid, ketones).Knowledge of the "switchover" process is incomplete. [further explanation needed] The most severe neuroglycopenic symptoms occur with hypoglycemia caused by excess insulin because insulin reduces the availability of other fuels by suppressing ketogenesis and gluconeogenesis.