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Touch and Hearing Mediate Osseoperception
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DOI：10.1038/srep45363.png)
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摘要
En 中文
Osseoperception is the sensation arising from the mechanical stimulation of a bone-anchored prosthesis. Here we show that not only touch, but also hearing is involved in this phenomenon. Using mechanical vibrations ranging from 0.1 to 6 kHz, we performed four psychophysical measures (perception threshold, sensation discrimination, frequency discrimination and reaction time) on 12 upper and lower limb amputees and found that subjects: consistently reported perceiving a sound when the stimulus was delivered at frequencies equal to or above 400 Hz; were able to discriminate frequency differences between stimuli delivered at high stimulation frequencies (similar to 1500 Hz); improved their reaction time for bimodal stimuli (i.e. when both vibration and sound were perceived). Our results demonstrate that osseoperception is a multisensory perception, which can explain the improved environment perception of bone-anchored prosthesis users. This phenomenon might be exploited in novel prosthetic devices to enhance their control, thus ultimately improving the amputees' quality of life.
Keyword:
FREQUENCY DISCRIMINATION
VIBROTACTILE THRESHOLDS
VIBRATION THRESHOLD
LIMB
OSSEOINTEGRATION
TRANSMISSION
STIMULATION
CORPUSCLES
AMPUTATION
PRESSURE
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期刊
IF:
3.9
论文数:
28.0W
被引数:
83.5W
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