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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]
A medical sign is an objective observable indication of a disease, injury, or medical condition that may be detected during a physical examination. [7] These signs may be visible, such as a rash or bruise, or otherwise detectable such as by using a stethoscope or taking blood pressure. Medical signs, along with symptoms, help in forming a ...
Pages in category "Symptoms and signs: Nervous system" ... Focal neurologic signs; Froment sign; Frontal release sign; G. ... a non-profit organization.
Non-epileptic seizures (NES), also known as pseudoseizures, non-epileptic attack disorder (NEAD), functional seizures, or dissociative seizures, are paroxysmal events that appear similar to an epileptic seizure, but do not involve abnormal, rhythmic discharges of neurons in the brain. [1]
Depending on the type and severity of encephalopathy, common neurological symptoms are loss of cognitive function, subtle personality changes, and an inability to concentrate. Other neurological signs may include dysarthria , hypomimia , problems with movements (they can be clumsy or slow), ataxia , tremor . [ 6 ]
A focal lesion causes damage that also disturbs the structural and functional connectivity to the brain areas distal to the lesion. The primary mechanism of diaschisis is functional deafferentation, [7] which is the loss of the input of information from the part of the brain that is now damaged. The decrease in information and neural firing to ...
Seen during right ventriculography in the setting of a patent ductus arteriosus, the Goetz sign refers to the negative contrast effect seen in the pulmonary artery from non-contrast enhanced blood shunting left to right from the aorta: Gonda's sign: Viktor Gonda, Ukrainian Neuropsychiatrist, (1889–1959) neurology: pyramidal tract lesions
Signs are typically the same as in other dementias, but mainly include cognitive decline and memory impairment of sufficient severity as to interfere with activities of daily living, sometimes with presence of focal neurological signs, and evidence of features consistent with cerebrovascular disease on brain imaging (CT or MRI).