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The present study aimed to investigate whether it might depend on specific decay in the quality of gait motor representation and\/or a more general reduction in the efficiency of lower limb motor control. Younger and older healthy participants performed in fMRI a virtual walking paradigm that combines motor imagery (MI) of walking and standing on the spot with the presence (Dynamic Motor Imagery condition, DMI) or absence (pure MI condition) of overtly executed ankle dorsiflexion. Gait imagery was aided by the concomitant observation of moving videos simulating a stroll in the park from a first\u2010person perspective. Behaviorally, older participants showed no sign of evident depletion in the quality of gait motor representations, and absence of between\u2010group differences in the neural correlates of MI. However, while younger participants showed increased frontoparietal activity during DMI, older participants displayed stronger activation of premotor areas when controlling the pure execution of ankle dorsiflexion, regardless of the imagery task. These data suggest that reduced automaticity of lower limb motor control in healthy older subjects leads to the recruitment of additional premotor resources even in the absence of basic gait functional disabilities.<\/jats:p>","DOI":"10.1002\/hbm.24919","type":"journal-article","created":{"date-parts":[[2020,1,10]],"date-time":"2020-01-10T17:26:48Z","timestamp":1578677208000},"page":"1889-1903","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["How aging affects the premotor control of lower limb movements in simulated gait"],"prefix":"10.1002","volume":"41","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2608-708X","authenticated-orcid":false,"given":"Lucia Maria","family":"Sacheli","sequence":"first","affiliation":[{"name":"Psychology Department &amp; Milan Center for Neuroscience University of Milano\u2010Bicocca  Milan Italy"},{"name":"IRCCS Istituto Ortopedico Galeazzi  Milan Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura","family":"Zapparoli","sequence":"additional","affiliation":[{"name":"Psychology Department &amp; Milan Center for Neuroscience University of Milano\u2010Bicocca  Milan Italy"},{"name":"IRCCS Istituto Ortopedico Galeazzi  Milan Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rolando","family":"Bonandrini","sequence":"additional","affiliation":[{"name":"Psychology Department &amp; Milan Center for Neuroscience University of Milano\u2010Bicocca  Milan Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matteo","family":"Preti","sequence":"additional","affiliation":[{"name":"IRCCS Istituto Ortopedico Galeazzi  Milan Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Catia","family":"Pelosi","sequence":"additional","affiliation":[{"name":"IRCCS Istituto Ortopedico Galeazzi  Milan Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luca Maria","family":"Sconfienza","sequence":"additional","affiliation":[{"name":"IRCCS Istituto Ortopedico Galeazzi  Milan Italy"},{"name":"Department of Biomedical Sciences for Health University of Milan  Milan Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giuseppe","family":"Banfi","sequence":"additional","affiliation":[{"name":"IRCCS Istituto Ortopedico Galeazzi  Milan Italy"},{"name":"University Vita e Salute San Raffaele  Milan Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eraldo","family":"Paulesu","sequence":"additional","affiliation":[{"name":"Psychology Department &amp; Milan Center for Neuroscience University of Milano\u2010Bicocca  Milan Italy"},{"name":"IRCCS Istituto Ortopedico Galeazzi  Milan Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,1,10]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532-5415.1996.tb06417.x"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1093\/gerona\/glt207"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuroimage.2005.02.018"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuroimage.2008.03.020"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00702-007-0783-8"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jns.2010.03.021"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00221-010-2363-7"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1002\/hbm.22461"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.neubiorev.2013.07.014"},{"key":"e_1_2_10_11_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1460-9568.2001.01385.x"},{"key":"e_1_2_10_12_1","doi-asserted-by":"publisher","DOI":"10.1037\/0882-7974.17.1.85"},{"key":"e_1_2_10_13_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41583-018-0068-2"},{"key":"e_1_2_10_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/0278-2626(89)90007-9"},{"key":"e_1_2_10_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuroimage.2004.06.008"},{"key":"e_1_2_10_16_1","doi-asserted-by":"publisher","DOI":"10.1002\/hbm.23839"},{"key":"e_1_2_10_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/0022-3956(75)90026-6"},{"key":"e_1_2_10_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuroimage.2008.09.017"},{"key":"e_1_2_10_19_1","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/108.3.697"},{"key":"e_1_2_10_20_1","doi-asserted-by":"publisher","DOI":"10.3233\/RNN-150573"},{"key":"e_1_2_10_21_1","doi-asserted-by":"publisher","DOI":"10.3389\/fnhum.2014.00760"},{"key":"e_1_2_10_22_1","first-page":"CD007146","article-title":"Interventions for preventing falls in older people living in the community","volume":"9","author":"Gillespie L. 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