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Lightheadedness is a common and typically unpleasant sensation of dizziness [1] or a feeling that one may faint. The sensation of lightheadedness can be short-lived, prolonged, or, rarely, recurring. In addition to dizziness, the individual may feel as though their head is weightless.
Presyncope is a feeling of lightheadedness or simply feeling faint. Syncope, by contrast, is actually fainting. Syncope, by contrast, is actually fainting. A circulatory system deficiency, such as low blood pressure, can contribute to a feeling of dizziness when one suddenly stands up.
It can also refer to disequilibrium [2] or a non-specific feeling, such as giddiness or foolishness. [3] Dizziness is a common medical complaint, affecting 20–30% of persons. [4] Dizziness is broken down into four main subtypes: vertigo (~25–50%), disequilibrium (less than ~15%), presyncope (less than ~15%), and nonspecific dizziness (~10% ...
[table-of-contents] stripped . Like a night club magician uses slight of hand to fool his audience, our brains play mischievous tricks on us—no top hat or wand required.
Cases are commonly found in the elderly, but in one case a 29-year-old woman reported hearing music for one week. Prior to her hallucinations, the patient had undergone surgery for intraventricular and intracranial hemorrhages. Following her recovery, she mentioned the onset of hallucinations followed by headaches. [6]
For example, organized activities, music therapy, physical activity and occupational therapy may help with psychosis or agitation, while exercise and gait training can help with motor symptoms. [180] Cognitive behavioral therapy can be tried for depression or hallucinations, although there is no evidence for its use in DLB. [ 181 ]
The term "agnosia" refers to a loss of knowledge. Acquired music agnosia is the "inability to recognize music in the absence of sensory, intellectual, verbal, and mnesic impairments". [11] Music agnosia is most commonly acquired; in most cases it is a result of bilateral infarction of the right temporal lobes.
Inherently, all historical musical works (pre-1930) are public domain. [16] Classical [vague] sheet music, for example, is widely available for free use and reproduction. Some more current works are also available for free use through public works projects such as Internet Archive. This and similar projects aim to preserve and make readily ...