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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Effect of Working Memory and Spatial Attention Tasks on Gait in Healthy Young and Older Adults</title><author><name sortKey="Nadkarni, Neelesh K" sort="Nadkarni, Neelesh K" uniqKey="Nadkarni N" first="Neelesh K." last="Nadkarni">Neelesh K. Nadkarni</name><affiliation><nlm:aff id="A1">L. C. Campbell Cognitive Neurology Research Unit, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A2">Heart and Stroke Foundation- Centre for Stroke Recovery, Neuroscience Research Program, Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A3">Division of Neurology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A4">Institute of Medical Science and Program in Neuroscience, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation></author><author><name sortKey="Zabjek, Karl" sort="Zabjek, Karl" uniqKey="Zabjek K" first="Karl" last="Zabjek">Karl Zabjek</name><affiliation><nlm:aff id="A7">Department of Physical Therapy, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation></author><author><name sortKey="Lee, Betty" sort="Lee, Betty" uniqKey="Lee B" first="Betty" last="Lee">Betty Lee</name><affiliation><nlm:aff id="A1">L. C. Campbell Cognitive Neurology Research Unit, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation></author><author><name sortKey="Mcilroy, William E" sort="Mcilroy, William E" uniqKey="Mcilroy W" first="William E." last="Mcilroy">William E. Mcilroy</name><affiliation><nlm:aff id="A2">Heart and Stroke Foundation- Centre for Stroke Recovery, Neuroscience Research Program, Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A3">Division of Neurology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A4">Institute of Medical Science and Program in Neuroscience, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A6">Department of Kinesiology, University of Waterloo, Waterloo, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A7">Department of Physical Therapy, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation></author><author><name sortKey="Black, Sandra E" sort="Black, Sandra E" uniqKey="Black S" first="Sandra E." last="Black">Sandra E. Black</name><affiliation><nlm:aff id="A1">L. C. Campbell Cognitive Neurology Research Unit, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A2">Heart and Stroke Foundation- Centre for Stroke Recovery, Neuroscience Research Program, Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A3">Division of Neurology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A4">Institute of Medical Science and Program in Neuroscience, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A5">Rotman Research Institute, Baycrest Centre for Geriatric Care, Toronto, Ontario, Canada</nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">20484770</idno><idno type="pmc">3897230</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3897230</idno><idno type="RBID">PMC:3897230</idno><date when="2010">2010</date><idno type="wicri:Area/Pmc/Corpus">000908</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000908</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Effect of Working Memory and Spatial Attention Tasks on Gait in Healthy Young and Older Adults</title><author><name sortKey="Nadkarni, Neelesh K" sort="Nadkarni, Neelesh K" uniqKey="Nadkarni N" first="Neelesh K." last="Nadkarni">Neelesh K. Nadkarni</name><affiliation><nlm:aff id="A1">L. C. Campbell Cognitive Neurology Research Unit, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A2">Heart and Stroke Foundation- Centre for Stroke Recovery, Neuroscience Research Program, Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A3">Division of Neurology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A4">Institute of Medical Science and Program in Neuroscience, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation></author><author><name sortKey="Zabjek, Karl" sort="Zabjek, Karl" uniqKey="Zabjek K" first="Karl" last="Zabjek">Karl Zabjek</name><affiliation><nlm:aff id="A7">Department of Physical Therapy, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation></author><author><name sortKey="Lee, Betty" sort="Lee, Betty" uniqKey="Lee B" first="Betty" last="Lee">Betty Lee</name><affiliation><nlm:aff id="A1">L. C. Campbell Cognitive Neurology Research Unit, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation></author><author><name sortKey="Mcilroy, William E" sort="Mcilroy, William E" uniqKey="Mcilroy W" first="William E." last="Mcilroy">William E. Mcilroy</name><affiliation><nlm:aff id="A2">Heart and Stroke Foundation- Centre for Stroke Recovery, Neuroscience Research Program, Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A3">Division of Neurology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A4">Institute of Medical Science and Program in Neuroscience, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A6">Department of Kinesiology, University of Waterloo, Waterloo, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A7">Department of Physical Therapy, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation></author><author><name sortKey="Black, Sandra E" sort="Black, Sandra E" uniqKey="Black S" first="Sandra E." last="Black">Sandra E. Black</name><affiliation><nlm:aff id="A1">L. C. Campbell Cognitive Neurology Research Unit, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A2">Heart and Stroke Foundation- Centre for Stroke Recovery, Neuroscience Research Program, Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A3">Division of Neurology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A4">Institute of Medical Science and Program in Neuroscience, University of Toronto, Toronto, Ontario, Canada</nlm:aff></affiliation><affiliation><nlm:aff id="A5">Rotman Research Institute, Baycrest Centre for Geriatric Care, Toronto, Ontario, Canada</nlm:aff></affiliation></author></analytic><series><title level="j">Motor control</title><idno type="ISSN">1087-1640</idno><imprint><date when="2010">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p id="P1">Changes gait parameters induced by the concomitant performance of one of two cognitive tasks activating working memory and spatial attention, was examined in healthy young adults (YA) and older adults (OA). There was a main effect of task condition on gait-speed (p= 0.02), stride-length (p<0.001) and double-support time (p=0.04) independent of the group. There were no significant differences between working memory and spatial attention associated gait changes. Working-memory and spatial-attention dual-tasking led to a decrease in gait-speed (p=0.09 and 0.01) and stride-length (p=0.04 and 0.01) and increase in double-support time (p=0.01 and 0.03) in YA and decrease in stride-length (p=0.04 and 0.01) alone in OA. Cognitive task associated changes in gait may be a function of limited attentional resources irrespective of the type of cognitive task.</p></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<pmc-dir>properties manuscript</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-journal-id">9706297</journal-id><journal-id journal-id-type="pubmed-jr-id">20995</journal-id><journal-id journal-id-type="nlm-ta">Motor Control</journal-id><journal-id journal-id-type="iso-abbrev">Motor Control</journal-id><journal-title-group><journal-title>Motor control</journal-title></journal-title-group><issn pub-type="ppub">1087-1640</issn></journal-meta><article-meta><article-id pub-id-type="pmid">20484770</article-id><article-id pub-id-type="pmc">3897230</article-id><article-id pub-id-type="manuscript">NIHMS538645</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title-group><article-title>Effect of Working Memory and Spatial Attention Tasks on Gait in Healthy Young and Older Adults</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Nadkarni</surname><given-names>Neelesh K.</given-names></name><xref ref-type="aff" rid="A1">1</xref><xref ref-type="aff" rid="A2">2</xref><xref ref-type="aff" rid="A3">3</xref><xref ref-type="aff" rid="A4">4</xref></contrib><contrib contrib-type="author"><name><surname>Zabjek</surname><given-names>Karl</given-names></name><xref ref-type="aff" rid="A7">7</xref></contrib><contrib contrib-type="author"><name><surname>Lee</surname><given-names>Betty</given-names></name><xref ref-type="aff" rid="A1">1</xref></contrib><contrib contrib-type="author"><name><surname>McIlroy</surname><given-names>William E.</given-names></name><xref ref-type="aff" rid="A2">2</xref><xref ref-type="aff" rid="A3">3</xref><xref ref-type="aff" rid="A4">4</xref><xref ref-type="aff" rid="A6">6</xref><xref ref-type="aff" rid="A7">7</xref></contrib><contrib contrib-type="author"><name><surname>Black</surname><given-names>Sandra E.</given-names></name><xref ref-type="aff" rid="A1">1</xref><xref ref-type="aff" rid="A2">2</xref><xref ref-type="aff" rid="A3">3</xref><xref ref-type="aff" rid="A4">4</xref><xref ref-type="aff" rid="A5">5</xref></contrib></contrib-group><aff id="A1"><label>1</label>L. C. Campbell Cognitive Neurology Research Unit, University of Toronto, Toronto, Ontario, Canada</aff><aff id="A2"><label>2</label>Heart and Stroke Foundation- Centre for Stroke Recovery, Neuroscience Research Program, Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada</aff><aff id="A3"><label>3</label>Division of Neurology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada</aff><aff id="A4"><label>4</label>Institute of Medical Science and Program in Neuroscience, University of Toronto, Toronto, Ontario, Canada</aff><aff id="A5"><label>5</label>Rotman Research Institute, Baycrest Centre for Geriatric Care, Toronto, Ontario, Canada</aff><aff id="A6"><label>6</label>Department of Kinesiology, University of Waterloo, Waterloo, Ontario, Canada</aff><aff id="A7"><label>7</label>Department of Physical Therapy, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada</aff><author-notes><corresp id="FN1">Corresponding author: Dr. Neelesh K. Nadkarni, MD, A421, L. C. Campbell Cognitive Neurology Research Unit, Sunnybrook Health Sciences Centre, 2075 Bayview Avenue, Toronto, ON, Canada M4N 3M5. Fax: (416) 480-4552, <email>neelesh.nadkarni@utoronto.ca</email>; Alternate corresponding author: Dr. Sandra E. Black, MD, A421, L. C. Campbell Cognitive Neurology Research Unit, Sunnybrook Health Sciences Centre, 2075 Bayview Avenue, Toronto, ON, Canada M4N 3M5. Fax: (416) 480-4552, <email>sandra.black@sunnybrook.ca</email></corresp></author-notes><pub-date pub-type="nihms-submitted"><day>24</day><month>12</month><year>2013</year></pub-date><pub-date pub-type="ppub"><month>4</month><year>2010</year></pub-date><pub-date pub-type="pmc-release"><day>21</day><month>1</month><year>2014</year></pub-date><volume>14</volume><issue>2</issue><fpage>195</fpage><lpage>210</lpage><abstract><p id="P1">Changes gait parameters induced by the concomitant performance of one of two cognitive tasks activating working memory and spatial attention, was examined in healthy young adults (YA) and older adults (OA). There was a main effect of task condition on gait-speed (p= 0.02), stride-length (p<0.001) and double-support time (p=0.04) independent of the group. There were no significant differences between working memory and spatial attention associated gait changes. Working-memory and spatial-attention dual-tasking led to a decrease in gait-speed (p=0.09 and 0.01) and stride-length (p=0.04 and 0.01) and increase in double-support time (p=0.01 and 0.03) in YA and decrease in stride-length (p=0.04 and 0.01) alone in OA. Cognitive task associated changes in gait may be a function of limited attentional resources irrespective of the type of cognitive task.</p></abstract><funding-group><award-group><funding-source country="United States">National Institute on Aging : NIA</funding-source><award-id>P30 AG024827 || AG</award-id></award-group><award-group><funding-source country="United States">National Institute on Aging : NIA</funding-source><award-id>P30 AG024827 || AG</award-id></award-group></funding-group></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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