Results 171 to 180 of about 9,536 (210)
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Vibrotactile Frequency Discrimination at Short Durations
The Journal of General Psychology, 1986This experiment investigated how frequency discrimination of a sinusoidal, mechanical vibration applied to the tip of the right index finger is affected by shortening the duration of the stimuli from 200 ms to 30 ms. Using a standard stimulus of 100 Hz at 30 dB above threshold, seven comparison frequencies (at intervals of 10 Hz) were judged as higher ...
B, Cohen, J H, Kirman
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Vibrotactile Frequency Discrimination in Human Hairy Skin
Journal of Neurophysiology, 2006The human capacity for vibrotactile frequency discrimination has been compared directly for glabrous and hairy skin regions by means of a two-alternative, forced-choice psychophysical procedure in five subjects. Sinusoidal vibratory stimuli, delivered by means of a 4-mm-diam probe, were first used to obtain detection threshold values for the two skin ...
Mahns, David A. +4 more
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Vibrotactile frequency for encoding a speech parameter
The Journal of the Acoustical Society of America, 1977Frequency of vibration has not been widely used as a parameter for encoding speech-derived information on the skin. Where it has been used, the frequencies employed have not necessarily been compatible with the capabilities of the tactile channel, and no determination was made of the information transmitted by the frequency variable, as differentiated ...
M, Rothenberg +4 more
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Distractor frequency influences performance in vibrotactile working memory
Experimental Brain Research, 2010We use a vibrotactile-delayed match-to-sample paradigm to evaluate the effects of interference on working memory. One of the suggested mechanisms through which interference affects performance in working memory is feature overwriting: Short-term representations are maintained in a finite set of feature units (such as prefrontal neurons), and distractor
Tyler, Bancroft, Philip, Servos
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Discrimination of Vibrotactile Stimuli: Effects of Frequency Variation
Volume 1: Acoustics, Vibration, and Phononics, 2023Abstract This paper reports on an empirical study that investigated the effect of frequency on the acuity of spatial localization on the skin of the forearm, as well as differences in localizability at different locations on the forearm.
Nashmin Yeganeh +3 more
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Vibrotactile amplitude and frequency discrimination in temporomandibular disorders
Pain, 1998The purpose of this study was to determine whether the elevation in vibrotactile detection threshold, found in many individuals with temporomandibular disorders (TMD), is paralleled by suprathreshold impairments. Participants with TMD were compared with pain-free control subjects in their ability to discriminate on the basis of differences in amplitude
Mark, Hollins, Asgeir, Sigurdsson
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Vibrotactile reception of transformed voice fundamental frequency
The Journal of the Acoustical Society of America, 1979Deaf and hearing subjects were asked to identify the stress pattern in a short sentence from the variation in voice fundamental frequency (F0) when presented aurally (for hearing subjects) and when transformed into vibrotactile pulse frequency (for both groups). Various transformations from F0 to pulse frequency were tested.
M. Rothenberg, R. D. Molitor
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Frequency Modulation Based Vibrotactile Device for Teleoperation
2009 Third IEEE International Conference on Space Mission Challenges for Information Technology, 2009This study investigated how people achieve pointing and path following tasks using a vibrotactile device. In pointing tasks, subjects are asked to reach a target as fast as possible guided by two types of tactile information generated by a specific glove we developed.
H. Phong Pham, Ryad Chellali
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Is there low frequency vibrotactile temporal summation?
Scandinavian Journal of Psychology, 1981Reaction times of subjects to threshold vibratory stimuli of various durations and frequencies were measured simultaneously with the thresholds in order to test whether more time is needed for the detection of stimuli of long than short duration at threshold intensities.
H, Hämäläinen +3 more
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Lingual Vibrotactile and Auditory Cross-Modal Matching: Frequency Effects
Perceptual and Motor Skills, 19865 subjects matched pairs of auditory and vibrotactile stimuli on intensity, making judgments of suprathreshold magnitudes. Slope values for the 100-Hz cross-modal lingual vibrotactile stimulus-standard frequency condition were steeper than those for 250- or 400-Hz conditions.
D, Harris, D, Fucci, L, Petrosino
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