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Originally, the term was created to distinguish physical (termed "organic") causes of mental impairment from psychiatric (termed "functional") disorders, but during the era when this distinction was drawn, not enough was known about brain science (including neuroscience, cognitive science, neuropsychology, and mind-brain correlation) for this ...
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 ...
Organic brain syndrome; Organic dust toxic syndrome; Orofaciodigital syndrome 1; Ortner's syndrome; OSLAM syndrome; Osler–Weber–Rendu disease; Otodental syndrome; Otofacial syndrome; Ovarian hyperstimulation syndrome; Ovarian vein syndrome; Overgrowth syndrome; Overlap syndrome
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 ...
Pages in category "Brain disorders" The following 64 pages are in this category, out of 64 total. This list may not reflect recent changes. A. Acquired brain injury;
Neurobiological brain disorder (NBD), or neurobiological disorder, refers to disease or other biological processes affecting the brain. Any condition that affects the functioning of the brain and may be caused by genetics, metabolic, endocrinological, auto-immune, infectious agents, agents, extreme environmental factors triggering biological changes, or other biological factors are included.
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The symptoms vary widely, as do the treatments. Central nervous system tumors are the most common forms of pediatric cancer. Brain tumors are the most frequent and have the highest mortality. [4] Some disorders, such as substance addiction, autism, and ADHD may be regarded as CNS disorders, though the classifications are not without dispute.