{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,23]],"date-time":"2026-08-23T15:26:14Z","timestamp":1787498774313,"version":"build-2736575974"},"reference-count":39,"publisher":"SAGE Publications","issue":"10","license":[{"start":{"date-parts":[[2023,11,28]],"date-time":"2023-11-28T00:00:00Z","timestamp":1701129600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Hum Factors"],"published-print":{"date-parts":[[2024,10]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Dismounted military operations require soldiers to complete cognitive tasks whilst undertaking demanding and repeated physical taskings.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To assess the effects of repeated fast load carriage bouts on cognitive performance, perceptual responses, and psychophysiological markers.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Twelve civilian males (age, 28 \u00b1 8\u00a0y; stature, 186 \u00b1 6\u00a0cm; body mass 84.3 \u00b1 11.1\u00a0kg; V\u0307O\n                      <jats:sub>2max<\/jats:sub>\n                      , 51.5 \u00b1 6.4\u00a0mL\u00b7kg\n                      <jats:sup>\u22121<\/jats:sup>\n                      \u00b7min\n                      <jats:sup>\u22121<\/jats:sup>\n                      ) completed three \u223c65-min bouts of a Fast Load Carriage Protocol (FLCP), each interspersed with a 65-min recovery period, carrying a representative combat load of 25\u00a0kg. During each FLCP, cognitive function was assessed using a Shoot\/Don\u2019t-Shoot Task (SDST) and a Military-Specific Auditory N-Back Task (MSANT), along with subjective ratings. Additional psychophysiological markers (heart rate variability, salivary cortisol, and dehydroepiandrosterone-sulfate concentrations) were also measured.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A main effect of bout on MSANT combined score metric ( p &lt; .001, Kendall\u2019s W = 69.084) and for time on the accuracy-speed trade-off parameter of the SDST ( p = .025, \u0460\n                      <jats:sup>2<\/jats:sup>\n                      = .024) was evident. These likely changes in cognitive performance were coupled with subjective data indicating that participants perceived that they increased their mental effort to maintain cognitive performance (bout: p &lt; .001, \u0460\n                      <jats:sup>2<\/jats:sup>\n                      = .045; time: p &lt; .001, \u0460\n                      <jats:sup>2<\/jats:sup>\n                      = .232). Changes in HRV and salivary markers were also evident, likely tracking increased stress.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Despite the increase in physiological and psychological stress, cognitive performance was largely maintained; purportedly a result of increased mental effort.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Application<\/jats:title>\n                    <jats:p>Given the likely increase in dual-task interference in the field environment compared with the laboratory, military commanders should seek approaches to manage cognitive load where possible, to maintain soldier performance.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/00187208231214216","type":"journal-article","created":{"date-parts":[[2023,11,29]],"date-time":"2023-11-29T01:30:45Z","timestamp":1701221445000},"page":"2379-2392","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":7,"title":["Cognitive, Psychophysiological, and Perceptual Responses to a Repeated Military-Specific Load Carriage Treadmill Simulation"],"prefix":"10.1177","volume":"66","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3592-9894","authenticated-orcid":false,"given":"Christopher A. 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