Temporal masking of multidimensional tactual stimuli.
Identifieur interne : 007161 ( Main/Merge ); précédent : 007160; suivant : 007162Temporal masking of multidimensional tactual stimuli.
Auteurs : Hong Z. Tan [États-Unis] ; Charlotte M. Reed ; Lorraine A. Delhorne ; Nathaniel I. Durlach ; Natasha WanSource :
- The Journal of the Acoustical Society of America [ 0001-4966 ] ; 2003.
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Abstract
Experiments were performed to examine the temporal masking properties of multidimensional tactual stimulation patterns delivered to the left index finger. The stimuli consisted of fixed-frequency sinusoidal motions in the kinesthetic (2 or 4 Hz), midfrequency (30 Hz), and cutaneous (300 Hz) frequency ranges. Seven stimuli composed of one, two, or three spectral components were constructed at each of two signal durations (125 or 250 ms). Subjects identified target signals under three different masking paradigms: forward masking, backward masking, and sandwiched masking (in which the target is presented between two maskers). Target identification was studied as a function of interstimulus interval (ISI) in the range 0 to 640 ms. For both signal durations, percent-correct scores increased with ISI for each of the three masking paradigms. Scores with forward and backward masking were similar and significantly higher than scores obtained with sandwiched masking. Analyses of error trials revealed that subjects showed a tendency to respond, more often than chance, with the masker, the composite of the masker and target, or the combination of the target and a component of the masker. The current results are compared to those obtained in previous studies of tactual recognition masking with brief cutaneous spatial patterns. The results are also discussed in terms of estimates of information transfer (IT) and IT rate, are compared to previous studies with multidimensional tactual signals, and are related to research on the development of tactual aids for the deaf.
PubMed: 14714810
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pubmed:14714810Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Temporal masking of multidimensional tactual stimuli.</title><author><name sortKey="Tan, Hong Z" sort="Tan, Hong Z" uniqKey="Tan H" first="Hong Z" last="Tan">Hong Z. Tan</name><affiliation wicri:level="1"><nlm:affiliation>Haptic Interface Research Laboratory, Electrical Engineering Building, 465 Northwestern Avenue, Purdue University, West Lafayette, Indiana 47907, USA. hongtan@purdue.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Haptic Interface Research Laboratory, Electrical Engineering Building, 465 Northwestern Avenue, Purdue University, West Lafayette, Indiana 47907</wicri:regionArea><wicri:noRegion>Indiana 47907</wicri:noRegion></affiliation></author><author><name sortKey="Reed, Charlotte M" sort="Reed, Charlotte M" uniqKey="Reed C" first="Charlotte M" last="Reed">Charlotte M. Reed</name></author><author><name sortKey="Delhorne, Lorraine A" sort="Delhorne, Lorraine A" uniqKey="Delhorne L" first="Lorraine A" last="Delhorne">Lorraine A. Delhorne</name></author><author><name sortKey="Durlach, Nathaniel I" sort="Durlach, Nathaniel I" uniqKey="Durlach N" first="Nathaniel I" last="Durlach">Nathaniel I. Durlach</name></author><author><name sortKey="Wan, Natasha" sort="Wan, Natasha" uniqKey="Wan N" first="Natasha" last="Wan">Natasha Wan</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2003">2003</date><idno type="RBID">pubmed:14714810</idno><idno type="pmid">14714810</idno><idno type="wicri:Area/PubMed/Corpus">001B66</idno><idno type="wicri:Area/PubMed/Curation">001B66</idno><idno type="wicri:Area/PubMed/Checkpoint">001898</idno><idno type="wicri:Area/Ncbi/Merge">000477</idno><idno type="wicri:Area/Ncbi/Curation">000477</idno><idno type="wicri:Area/Ncbi/Checkpoint">000477</idno><idno type="wicri:doubleKey">0001-4966:2003:Tan H:temporal:masking:of</idno><idno type="wicri:Area/Main/Merge">007161</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Temporal masking of multidimensional tactual stimuli.</title><author><name sortKey="Tan, Hong Z" sort="Tan, Hong Z" uniqKey="Tan H" first="Hong Z" last="Tan">Hong Z. Tan</name><affiliation wicri:level="1"><nlm:affiliation>Haptic Interface Research Laboratory, Electrical Engineering Building, 465 Northwestern Avenue, Purdue University, West Lafayette, Indiana 47907, USA. hongtan@purdue.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Haptic Interface Research Laboratory, Electrical Engineering Building, 465 Northwestern Avenue, Purdue University, West Lafayette, Indiana 47907</wicri:regionArea><wicri:noRegion>Indiana 47907</wicri:noRegion></affiliation></author><author><name sortKey="Reed, Charlotte M" sort="Reed, Charlotte M" uniqKey="Reed C" first="Charlotte M" last="Reed">Charlotte M. Reed</name></author><author><name sortKey="Delhorne, Lorraine A" sort="Delhorne, Lorraine A" uniqKey="Delhorne L" first="Lorraine A" last="Delhorne">Lorraine A. Delhorne</name></author><author><name sortKey="Durlach, Nathaniel I" sort="Durlach, Nathaniel I" uniqKey="Durlach N" first="Nathaniel I" last="Durlach">Nathaniel I. Durlach</name></author><author><name sortKey="Wan, Natasha" sort="Wan, Natasha" uniqKey="Wan N" first="Natasha" last="Wan">Natasha Wan</name></author></analytic><series><title level="j">The Journal of the Acoustical Society of America</title><idno type="ISSN">0001-4966</idno><imprint><date when="2003" type="published">2003</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Deafness (rehabilitation)</term><term>Equipment Design</term><term>Humans</term><term>Kinesthesis</term><term>Perceptual Masking</term><term>Sensory Aids</term><term>Signal Processing, Computer-Assisted</term><term>Sound Spectrography</term><term>Touch</term><term>User-Computer Interface</term></keywords><keywords scheme="MESH" qualifier="rehabilitation" xml:lang="en"><term>Deafness</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Equipment Design</term><term>Humans</term><term>Kinesthesis</term><term>Perceptual Masking</term><term>Sensory Aids</term><term>Signal Processing, Computer-Assisted</term><term>Sound Spectrography</term><term>Touch</term><term>User-Computer Interface</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Experiments were performed to examine the temporal masking properties of multidimensional tactual stimulation patterns delivered to the left index finger. The stimuli consisted of fixed-frequency sinusoidal motions in the kinesthetic (2 or 4 Hz), midfrequency (30 Hz), and cutaneous (300 Hz) frequency ranges. Seven stimuli composed of one, two, or three spectral components were constructed at each of two signal durations (125 or 250 ms). Subjects identified target signals under three different masking paradigms: forward masking, backward masking, and sandwiched masking (in which the target is presented between two maskers). Target identification was studied as a function of interstimulus interval (ISI) in the range 0 to 640 ms. For both signal durations, percent-correct scores increased with ISI for each of the three masking paradigms. Scores with forward and backward masking were similar and significantly higher than scores obtained with sandwiched masking. Analyses of error trials revealed that subjects showed a tendency to respond, more often than chance, with the masker, the composite of the masker and target, or the combination of the target and a component of the masker. The current results are compared to those obtained in previous studies of tactual recognition masking with brief cutaneous spatial patterns. The results are also discussed in terms of estimates of information transfer (IT) and IT rate, are compared to previous studies with multidimensional tactual signals, and are related to research on the development of tactual aids for the deaf.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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