{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,19]],"date-time":"2026-01-19T08:58:45Z","timestamp":1768813125853,"version":"3.49.0"},"reference-count":65,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2023,7,21]],"date-time":"2023-07-21T00:00:00Z","timestamp":1689897600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"German Federal Ministry for Economic Affairs and Energy","award":["ZF4776601HB9"],"award-info":[{"award-number":["ZF4776601HB9"]}]},{"name":"German Federal Ministry for Economic Affairs and Energy","award":["491466077"],"award-info":[{"award-number":["491466077"]}]},{"name":"Deutsche Forschungsgemeinschaft (DFG, German Research Foundation)","award":["ZF4776601HB9"],"award-info":[{"award-number":["ZF4776601HB9"]}]},{"name":"Deutsche Forschungsgemeinschaft (DFG, German Research Foundation)","award":["491466077"],"award-info":[{"award-number":["491466077"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Psychology and nutritional science research has highlighted the impact of negative emotions and cognitive load on calorie consumption behaviour using subjective questionnaires. Isolated studies in other domains objectively assess cognitive load without considering its effects on eating behaviour. This study aims to explore the potential for developing an integrated eating behaviour assistant system that incorporates cognitive load factors. Two experimental sessions were conducted using custom-developed experimentation software to induce different stimuli. During these sessions, we collected 30 h of physiological, food consumption, and affective states questionnaires data to automatically detect cognitive load and analyse its effect on food choice. Utilising grid search optimisation and leave-one-subject-out cross-validation, a support vector machine model achieved a mean classification accuracy of 85.12% for the two cognitive load tasks using eight relevant features. Statistical analysis was performed on calorie consumption and questionnaire data. Furthermore, 75% of the subjects with higher negative affect significantly increased consumption of specific foods after high-cognitive-load tasks. These findings offer insights into the intricate relationship between cognitive load, affective states, and food choice, paving the way for an eating behaviour assistant system to manage food choices during cognitive load. Future research should enhance system capabilities and explore real-world applications.<\/jats:p>","DOI":"10.3390\/s23146597","type":"journal-article","created":{"date-parts":[[2023,7,24]],"date-time":"2023-07-24T03:03:25Z","timestamp":1690167805000},"page":"6597","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Food Choices after Cognitive Load: An Affective Computing Approach"],"prefix":"10.3390","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7322-0704","authenticated-orcid":false,"given":"Arpita Mallikarjuna","family":"Kappattanavar","sequence":"first","affiliation":[{"name":"Digital Health\u2014Connected Healthcare, Hasso Plattner Institute, University of Potsdam, 14482 Potsdam, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6604-1671","authenticated-orcid":false,"given":"Pascal","family":"Hecker","sequence":"additional","affiliation":[{"name":"Digital Health\u2014Connected Healthcare, Hasso Plattner Institute, University of Potsdam, 14482 Potsdam, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7509-0088","authenticated-orcid":false,"given":"Sidratul","family":"Moontaha","sequence":"additional","affiliation":[{"name":"Digital Health\u2014Connected Healthcare, Hasso Plattner Institute, University of Potsdam, 14482 Potsdam, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0245-2046","authenticated-orcid":false,"given":"Nico","family":"Steckhan","sequence":"additional","affiliation":[{"name":"Digital Health\u2014Connected Healthcare, Hasso Plattner Institute, University of Potsdam, 14482 Potsdam, Germany"},{"name":"Institute for Social Medicine, Epidemiology and Health Economics, Charit\u00e9, 10117 Berlin, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8380-7667","authenticated-orcid":false,"given":"Bert","family":"Arnrich","sequence":"additional","affiliation":[{"name":"Digital Health\u2014Connected Healthcare, Hasso Plattner Institute, University of Potsdam, 14482 Potsdam, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,7,21]]},"reference":[{"key":"ref_1","unstructured":"(2022, April 08). 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