{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,14]],"date-time":"2026-04-14T14:20:35Z","timestamp":1776176435426,"version":"3.50.1"},"reference-count":30,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2020,6,12]],"date-time":"2020-06-12T00:00:00Z","timestamp":1591920000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/100009154","name":"university of windsor","doi-asserted-by":"publisher","award":["SSHRC Explore"],"award-info":[{"award-number":["SSHRC Explore"]}],"id":[{"id":"10.13039\/100009154","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Hum Factors"],"published-print":{"date-parts":[[2021,8]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p> This study investigates the effect of cognitive overload on assembly task performance and muscle activity. <\/jats:p><\/jats:sec><jats:sec><jats:title>Background<\/jats:title><jats:p> Understanding an operator\u2019s cognitive workload is an important component in assessing human\u2013machine interaction. However, little evidence is available on the effect that cognitive overload has on task performance and muscle activity when completing manufacturing tasks. <\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p> Twenty-two volunteers completed an assembly task while performing a secondary cognitive task with increasing levels of demand ( n-back). Performance in the assembly task (completion times, accuracy), muscle activity recorded as integrated electromyography (EMG), and self-reported workload were measured. <\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p> Results show that the increasing cognitive demand imposed by the n-back task resulted in impaired assembly task performance, overall greater muscle activity, and higher self-reported workload. Relative to the control condition, performing the 2-back task resulted in longer assembly task completion times (+10 s on average) and greater integrated EMG for flexor carpi ulnaris, triceps brachii, biceps brachii, anterior deltoid, and pectoralis major. <\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p> This study demonstrates that working under high cognitive load not only results in greater muscle activity, but also affects assembly task completion times, which may have a direct effect on manufacturing cycle times. <\/jats:p><\/jats:sec><jats:sec><jats:title>Application<\/jats:title><jats:p> Results are applicable to the assessment of the effects of high cognitive workload in manufacturing. <\/jats:p><\/jats:sec>","DOI":"10.1177\/0018720820929928","type":"journal-article","created":{"date-parts":[[2020,6,12]],"date-time":"2020-06-12T16:03:21Z","timestamp":1591977801000},"page":"813-820","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":84,"title":["Overloaded and at Work: Investigating the Effect of Cognitive Workload on Assembly Task Performance"],"prefix":"10.1177","volume":"63","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5558-4707","authenticated-orcid":false,"given":"Francesco N.","family":"Biondi","sequence":"first","affiliation":[{"name":"University of Windsor, Ontario, Canada"},{"name":"University of Utah, Salt Lake City, USA"}]},{"given":"Angela","family":"Cacanindin","sequence":"additional","affiliation":[{"name":"University of Windsor, Ontario, Canada"}]},{"given":"Caitlyn","family":"Douglas","sequence":"additional","affiliation":[{"name":"University of Windsor, Ontario, Canada"}]},{"given":"Joel","family":"Cort","sequence":"additional","affiliation":[{"name":"University of Windsor, Ontario, Canada"}]}],"member":"179","published-online":{"date-parts":[[2020,6,12]]},"reference":[{"key":"bibr1-0018720820929928","first-page":"1","volume":"00","author":"Biondi F.","year":"2019","journal-title":"International Journal of Human\u2013Computer Interaction"},{"key":"bibr2-0018720820929928","first-page":"23","volume":"1","author":"Biondi F.","year":"2015","journal-title":"Proceedings of the Eighth International Driving Symposium on Human Factors in Driver Assessment, Training and Vehicle Design Distractive"},{"key":"bibr31-0018720820929928","unstructured":"Brolin A. 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