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Magnetic resonance angiography of brain showing diffuse vasospasm of posterior cerebral arteries, basilar artery, and their branches. (Contributed by Dr. Ravindra Kumar Garg.)
Apr. 05, 2021
Nutrition plays an important role in the development and function of the nervous system. These factors include carbohydrates such as glucose, proteins, amino acids (precursors of nucleic acids), and vitamins and minerals, which enter the brain through the blood-brain barrier. Neurologic disorders due to malnutrition may be treatable.
Nov. 11, 2020
Neuropharmacology & Neurotherapeutics
Apr. 18, 2021
Epilepsy & Seizures
The progressive myoclonus epilepsies are a group of genetic and rare disorders clinically characterized by the presence of typically refractory myoclonic seizures, tonic-clonic seizures, and progressive neurologic deterioration. The 5 major progressive myoclonus epilepsy entities are Unverricht-Lundborg disease, myoclonic epilepsy with ragged red fibers (MERRF), Lafora disease, the neuronal ceroid lipofuscinoses, and sialidoses. Prognosis is disease-specific and, thus, highly variable.
Nov. 07, 2018
Headache & Pain
Paroxysmal hemicrania consists of unilateral, severe, short-lasting headache of short duration, occurring multiple times a day. Attacks are associated with cranial autonomic symptoms such as lacrimation, conjunctival infection, and nasal symptoms. It responds absolutely to oral indomethacin.
Apr. 06, 2021
Jan. 18, 2021
Behavioral & Cognitive Disorders
Brain pathology is frequently associated with alexia, a disturbance in reading ability. Four types of alexia have been described: alexia without agraphia, alexia with agraphia, spatial alexia, and frontal alexia. Excepting spatial alexia, acquired reading disturbances are associated with left hemisphere pathology – usually strokes, tumors, or traumas. Rehabilitation is usually carried out simultaneously with aphasia rehabilitation.
Jan. 28, 2020
Sexual dysfunction may be the presenting symptom of a developing neurologic disease or it may be due to more general effects of a neurologic disorder, and can be seen in patients with disorders localized to the central or the peripheral nervous system. It may manifest as decreased or increased sexual desire among other symptoms, and the extent can vary based upon the localization site, natural history, and the age of onset.
Oct. 11, 2020