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Differential diagnosis. Conversion disorder. Hoover’s sign of leg paresis is one of two signs named for Charles Franklin Hoover. [1] It is a maneuver aimed to separate organic from non-organic paresis of the leg. [2] The sign relies on the principle of synergistic contraction. [citation needed]
Moving iron speaker. The moving iron speaker was the earliest type of electric loudspeaker. They are still used today in some miniature speakers where small size and low cost are more important than sound quality. A moving iron speaker consists of a ferrous -metal diaphragm or reed, a permanent magnet and a coil of insulated wire.
Sanctuary. Atlantic. Elektra. EastWest. Musical artist. Website. rayj .com. William Ray Norwood Jr. (born January 17, 1981), [1] known professionally as Ray J, is an American R&B singer, songwriter, television presenter, and actor. Born in McComb, Mississippi and raised in Carson, California, he is the younger brother of singer and actress Brandy.
The acoustic reflex threshold (ART) is the sound pressure level (SPL) from which a sound stimulus with a given frequency will trigger the acoustic reflex. The ART is a function of sound pressure level and frequency. People with normal hearing have an acoustic reflex threshold (ART) around 70–100 dB SPL. People with conductive hearing loss (i ...
Noise control is an active or passive means of reducing sound emissions, often for personal comfort, environmental considerations, or legal compliance. Active noise control is sound reduction using a power source. Passive noise control is sound reduction by noise-isolating materials such as insulation, sound-absorbing tiles, or a muffler rather ...
These are the items Americans lose most. Perhaps unsurprisingly, the most commonly lost items were also among the most ubiquitous and important: phones and keys. Most people don't leave home ...
HarperCollins. Publication date. 1994. ISBN. 978-0060925444. A Leg to Stand On is a 1984 autobiographical account by neurologist Oliver Sacks describing his recovery from psychogenic leg paralysis following a mountaineering accident. The book has been described as a skillful description of the depersonalization of functional neurological symptoms.
Noise-induced hearing loss ( NIHL) is a hearing impairment resulting from exposure to loud sound. People may have a loss of perception of a narrow range of frequencies or impaired perception of sound including sensitivity to sound or ringing in the ears. [1] When exposure to hazards such as noise occur at work and is associated with hearing ...