Results 101 to 110 of about 3,924 (137)
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Perceptual dimensions of vibrotactile actuators
2018 IEEE Haptics Symposium (HAPTICS), 2018The objective of the present research was to determine how variations in the signals generated by different vibrotactile actuators are perceived and which features are judged as being distinctive. For this purpose, three different types of actuator were used to generate signals that varied in amplitude, waveform and frequency.
Lynette A. Jones, Anshul Singhal
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Neural mechanisms in vibrotactile adaptation
Journal of Neurophysiology, 19881. Peripheral and central neural contributions to vibrotactile adaptation were investigated in decerebrate or anesthetized cats by recording from sensory nerve fibers associated with Pacinian corpuscle (PC) receptors and from central neurons of the dorsal column nuclei that receive their input from vibration-sensitive receptors of the forelimb ...
S, O'Mara, M J, Rowe, R P, Tarvin
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Discrimination of Concurrent Vibrotactile Stimuli
2008We investigated the detection of vibrotactile targets against a background of concurrent non-targets, presented by eight tactors equally distributed in a horizontal band around the torso. Stimuli consisted of temporal activation patterns. Single targets (T) were presented among two to seven non-targets (N).
Eric Groen +3 more
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Vibrotactile Learning and the Menstrual Cycle
Perceptual and Motor Skills, 19713 groups of nulliparous -women aged from 17 to 22 yr. learned a 9-element vibroractile code through the skin of the left wrist. The groups were designated premenstrual, postmenstrual, and intermenstrual. There was a significant practice effect over 10 trials and a significant difference between menstrual groups.
D D, Diespecker, E, Kolokotronis
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Vibrotactile TV for immersive experience
Signal and Information Processing Association Annual Summit and Conference (APSIPA), 2014 Asia-Pacific, 2014Audio and video are two powerful media forms to shorten the distance between audience/viewer and actors or players in the TV and films. The recent research shows that today people are using more and more multimedia contents on mobile devices, such as tablets and smartphones.
Shafiq ur Réhman 0002 +3 more
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A ratio code for vibrotactile pitch
Somatosensory & Motor Research, 1998Subjective impressions of pitch for 80 different sinusoidal vibrotactile stimuli delivered to the index finger were measured by free magnitude estimation in four subjects. In three of the subjects, pitch at a given frequency decreased as stimulus amplitude increased.
E A, Roy, M, Hollins
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Decay in the effect of vibrotactile masking
The Journal of the Acoustical Society of America, 1996Vibrotactile forward masking experiments were conducted on the thenar eminence of the hand to determine the time course of masking in the Pacinian (P) or a non-Pacinian (NP I) channel. Brief masking and test stimuli that contained energy centered either below 27 or at 500 Hz were used to preferentially activate the NP I or P channels, respectively ...
J C, Makous +2 more
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Temporal Summation in Vibrotactile Sensitivity
The Journal of the Acoustical Society of America, 1965The Zwislocki theory of temporal summation was tested for vibrotactile sensitivity. Vibrotactile thresholds were determined as a function of pulse repetition rate and pulse number for short pulses. Thresholds for various burst durations of sinusoidal signals were also determined.
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Temporal course of vibrotactile imagery
NeuroReport, 2007This study examined the temporal courses of imagery processes by having participants imagining vibrotactile sensation as if perceived by the right-hand second finger. The results indicate that the imagery condition elicited a less negative going N400 and then a less positive going P600 than the control condition (perceived without imagining).
Lee, TMC +5 more
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Vibrotactile timing: Are vibrotactile judgements of duration affected by repetitive stimulation?
Quarterly Journal of Experimental Psychology, 2016Timing in the vibrotactile modality was explored. Previous research has shown that repetitive auditory stimulation (in the form of click-trains) and visual stimulation (in the form of flickers) can alter duration judgements in a manner consistent with a “speeding up” of an internal clock.
Jones, L. A., Ogden, R. S.
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