Effect of frequency difference on sensitivity of beats perception
Identifieur interne : 002C50 ( Main/Merge ); précédent : 002C49; suivant : 002C51Effect of frequency difference on sensitivity of beats perception
Auteurs : Soo-Chul Lim [Corée du Sud] ; Ki-Uk Kyung [Corée du Sud] ; Dong-Soo Kwon [Corée du Sud]Source :
- Experimental Brain Research. Experimentelle Hirnforschung. Experimentation Cerebrale [ 0014-4819 ] ; 2011.
Abstract
Two vibrations with slightly different frequencies induce the beats phenomenon. In tactile perception, when two pins of different frequencies stimulate the fingertips, an individual perceives a beats caused by a summation stimulus of the two vibrations. The present study demonstrates experimentally that humans can perceive another vibration based on the beats phenomenon when two tactile stimuli with slightly different frequencies are stimulated on the finger pad with a small contactor in different locations at the same time. Moreover, we examined the amplitude of the detection threshold to be able to perceive beats phenomenon on the index finger with 5 carrier frequency (63.1, 100, 158.5, 251.2, and 398.1 Hz) and 4 beats frequency (2.5, 3.98, 6.31, and 10 Hz) when two stimuli 1 mm distance apart are vibrated at a slightly different frequency. From the experiments, it is concluded that the amplitude threshold to be able to perceive beats decreases as the standard frequency increases under 398 Hz. Furthermore, from comparing the absolute detection threshold and beats detection threshold, as the carrier frequency increases, the required amplitude at two pins for the detection of beats decreases compared to absolute vibration.
Url:
DOI: 10.1007/s00221-011-2864-z
PubMed: 22028052
PubMed Central: 3249546
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Effect of frequency difference on sensitivity of beats perception</title><author><name sortKey="Lim, Soo Chul" sort="Lim, Soo Chul" uniqKey="Lim S" first="Soo-Chul" last="Lim">Soo-Chul Lim</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Human Robot Interaction Research Center, KAIST, Daejeon, Korea</nlm:aff><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Human Robot Interaction Research Center, KAIST, Daejeon</wicri:regionArea><wicri:noRegion>Daejeon</wicri:noRegion></affiliation></author><author><name sortKey="Kyung, Ki Uk" sort="Kyung, Ki Uk" uniqKey="Kyung K" first="Ki-Uk" last="Kyung">Ki-Uk Kyung</name><affiliation wicri:level="1"><nlm:aff id="Aff2">Department of Next Generation Computing Research, ETRI, Daejeon, Korea</nlm:aff><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Department of Next Generation Computing Research, ETRI, Daejeon</wicri:regionArea><wicri:noRegion>Daejeon</wicri:noRegion></affiliation></author><author><name sortKey="Kwon, Dong Soo" sort="Kwon, Dong Soo" uniqKey="Kwon D" first="Dong-Soo" last="Kwon">Dong-Soo Kwon</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Human Robot Interaction Research Center, KAIST, Daejeon, Korea</nlm:aff><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Human Robot Interaction Research Center, KAIST, Daejeon</wicri:regionArea><wicri:noRegion>Daejeon</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">22028052</idno><idno type="pmc">3249546</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3249546</idno><idno type="RBID">PMC:3249546</idno><idno type="doi">10.1007/s00221-011-2864-z</idno><date when="2011">2011</date><idno type="wicri:Area/Pmc/Corpus">000811</idno><idno type="wicri:Area/Pmc/Curation">000811</idno><idno type="wicri:Area/Pmc/Checkpoint">001B67</idno><idno type="wicri:Area/Ncbi/Merge">001C66</idno><idno type="wicri:Area/Ncbi/Curation">001C66</idno><idno type="wicri:Area/Ncbi/Checkpoint">001C66</idno><idno type="wicri:doubleKey">0014-4819:2011:Lim S:effect:of:frequency</idno><idno type="wicri:Area/Main/Merge">002C50</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Effect of frequency difference on sensitivity of beats perception</title><author><name sortKey="Lim, Soo Chul" sort="Lim, Soo Chul" uniqKey="Lim S" first="Soo-Chul" last="Lim">Soo-Chul Lim</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Human Robot Interaction Research Center, KAIST, Daejeon, Korea</nlm:aff><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Human Robot Interaction Research Center, KAIST, Daejeon</wicri:regionArea><wicri:noRegion>Daejeon</wicri:noRegion></affiliation></author><author><name sortKey="Kyung, Ki Uk" sort="Kyung, Ki Uk" uniqKey="Kyung K" first="Ki-Uk" last="Kyung">Ki-Uk Kyung</name><affiliation wicri:level="1"><nlm:aff id="Aff2">Department of Next Generation Computing Research, ETRI, Daejeon, Korea</nlm:aff><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Department of Next Generation Computing Research, ETRI, Daejeon</wicri:regionArea><wicri:noRegion>Daejeon</wicri:noRegion></affiliation></author><author><name sortKey="Kwon, Dong Soo" sort="Kwon, Dong Soo" uniqKey="Kwon D" first="Dong-Soo" last="Kwon">Dong-Soo Kwon</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Human Robot Interaction Research Center, KAIST, Daejeon, Korea</nlm:aff><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Human Robot Interaction Research Center, KAIST, Daejeon</wicri:regionArea><wicri:noRegion>Daejeon</wicri:noRegion></affiliation></author></analytic><series><title level="j">Experimental Brain Research. Experimentelle Hirnforschung. Experimentation Cerebrale</title><idno type="ISSN">0014-4819</idno><idno type="eISSN">1432-1106</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Two vibrations with slightly different frequencies induce the beats phenomenon. In tactile perception, when two pins of different frequencies stimulate the fingertips, an individual perceives a beats caused by a summation stimulus of the two vibrations. The present study demonstrates experimentally that humans can perceive another vibration based on the beats phenomenon when two tactile stimuli with slightly different frequencies are stimulated on the finger pad with a small contactor in different locations at the same time. Moreover, we examined the amplitude of the detection threshold to be able to perceive beats phenomenon on the index finger with 5 carrier frequency (63.1, 100, 158.5, 251.2, and 398.1 Hz) and 4 beats frequency (2.5, 3.98, 6.31, and 10 Hz) when two stimuli 1 mm distance apart are vibrated at a slightly different frequency. From the experiments, it is concluded that the amplitude threshold to be able to perceive beats decreases as the standard frequency increases under 398 Hz. Furthermore, from comparing the absolute detection threshold and beats detection threshold, as the carrier frequency increases, the required amplitude at two pins for the detection of beats decreases compared to absolute vibration.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Aza N, E" uniqKey="Aza N E">E Azañón</name></author><author><name sortKey="Soto Faraco, S" uniqKey="Soto Faraco S">S Soto-Faraco</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Bensmaia, S" uniqKey="Bensmaia S">S Bensmaia</name></author><author><name sortKey="Hollins, M" uniqKey="Hollins M">M Hollins</name></author><author><name sortKey="Yau, J" uniqKey="Yau J">J Yau</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Bolanowski, Sj" uniqKey="Bolanowski S">SJ Bolanowski</name></author><author><name sortKey="Gescheider, Ga" uniqKey="Gescheider G">GA Gescheider</name></author><author><name 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