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Less research has been focused on the potential physiological impact of media on infants and younger children, especially media designed to be age appropriate and educational in content. In this study, we examined respiratory sinus arrhythmia (RSA) in infants (<jats:italic>N<\/jats:italic>\u00a0=\u00a0269, <jats:italic>M<\/jats:italic><jats:sub>age<\/jats:sub>\u00a0=\u00a017.13\u00a0months) while they co\u2010viewed an educational video clip that modeled emotion regulation and contrasted their physiological response to an unoccupied baseline and a frustration paradigm (arm\u2010restraint). Given parent reports showing the calming effect of educational media viewing in young children, we anticipated that a similar pattern of calming would be observed physiologically in infants. Results showed that relative to baseline, most infants demonstrated an increase in RSA while co\u2010viewing, suggesting greater parasympathetic (regulatory) activation consistent with behavioral calming. However, infants who demonstrated vagal withdrawal during co\u2010viewing (decrease in RSA) were more likely to have parents who used a tablet to help infants go to sleep at night. Vagal withdrawal was also associated with increased levels of negative affect observed during the co\u2010viewing task. Findings are discussed in relation to the contextual effect of co\u2010viewing age\u2010appropriate, educational media on children's physiological responses.<\/jats:p>","DOI":"10.1002\/dev.22337","type":"journal-article","created":{"date-parts":[[2022,10,31]],"date-time":"2022-10-31T13:28:42Z","timestamp":1667222922000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["\u201cKaterina gets mad\u201d: Infants\u2019 physiological and behavioral responses to co\u2010viewing educational, self\u2010regulatory media"],"prefix":"10.1002","volume":"64","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6359-6951","authenticated-orcid":false,"given":"Chris L.","family":"Porter","sequence":"first","affiliation":[{"name":"School of Family Life Brigham Young University  Provo Utah USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Laura A.","family":"Stockdale","sequence":"additional","affiliation":[{"name":"School of Family Life Brigham Young University  Provo Utah USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1711-8385","authenticated-orcid":false,"given":"Peter","family":"Reschke","sequence":"additional","affiliation":[{"name":"School of Family Life Brigham Young University  Provo Utah USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"McCall","family":"Booth","sequence":"additional","affiliation":[{"name":"The Media School Indiana University Bloomington  Bloomington Indiana USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Madison K.","family":"Memmott\u2010Elison","sequence":"additional","affiliation":[{"name":"Department of Human Development and Family Science University of Missouri  Columbia Missouri USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sarah M.","family":"Coyne","sequence":"additional","affiliation":[{"name":"School of Family Life Brigham Young University  Provo Utah USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2022,10,31]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1542\/peds.104.2.341"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1542\/peds.2016\u20102591"},{"key":"e_1_2_9_4_1","volume-title":"Media exposure during infancy and early childhood","author":"Barr R.","year":"2016"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1177\/1555412019895359"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/imhj.21682"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.sleep.2010.02.006"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/(sici)1098\u20102302(199709)31:2125::aid\u2010dev53.0.co;2\u2010m"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/s0163\u20106383(98)91263\u20102"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.1207\/s15327078in0302_4"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.biopsycho.2006.09.005"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/dev.20020"},{"key":"e_1_2_9_13_1","first-page":"303","volume-title":"Media effects: Advances in theory and research","author":"Cantor J.","year":"2009"},{"key":"e_1_2_9_14_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-017-13440-x"},{"key":"e_1_2_9_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijpsycho.2008.03.004"},{"key":"e_1_2_9_16_1","doi-asserted-by":"publisher","DOI":"10.1037\/dev0000108"},{"key":"e_1_2_9_17_1","doi-asserted-by":"publisher","DOI":"10.1037\/dev0000412"},{"key":"e_1_2_9_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.chb.2021.106762"},{"key":"e_1_2_9_19_1","doi-asserted-by":"publisher","DOI":"10.1002\/icd.384"},{"key":"e_1_2_9_20_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1440-1754.2006.00892.x"},{"key":"e_1_2_9_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.appdev.2021.101276"},{"key":"e_1_2_9_22_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.physbeh.2012.07.005"},{"key":"e_1_2_9_23_1","doi-asserted-by":"publisher","DOI":"10.1111\/jsr.12019"},{"key":"e_1_2_9_24_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1467\u20107687.2009.00890.x"},{"key":"e_1_2_9_25_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532\u20107078.2009.00013.x"},{"key":"e_1_2_9_26_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.dr.2011.01.001"},{"key":"e_1_2_9_27_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1559\u20101816.2001.tb00163.x"},{"issue":"1","key":"e_1_2_9_28_1","first-page":"51","article-title":"Listening to music: Helping children regulate their emotions and improve learning in the classroom","volume":"88","author":"Foran L. 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