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Vibrotactile devices for controlled somato sensory stimulus during functionalmagnetic resonance imaging
Vibrotactile devices for controlled somato sensory stimulus during functionalmagnetic resonance imaging
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机译:在功能性磁共振成像过程中控制身体感觉刺激的触觉设备
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摘要
A functional magnetic resonance imaging (fMRI) compatible magnetomechanical vibrotactile device (MVD) uses wire coils having small oscillatory currents to interact with the large static magnetic field inherent to MRI scanners. The resulting Lorentz forces which are exerted on the MVD can be oriented to generate large vibrations that may be easily converted to translational motions as large as several centimetres. Representative data demonstrate the flexibility of MVDs to generate different well-controlled vibratory and tactile stimuli to activate special proprioceptive and cutaneous somatosensory afferent pathways.
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