{"id":307250,"date":"2026-01-28T03:03:35","date_gmt":"2026-01-28T03:03:35","guid":{"rendered":"https:\/\/www.europesays.com\/ie\/307250\/"},"modified":"2026-01-28T03:03:35","modified_gmt":"2026-01-28T03:03:35","slug":"animals-experience-joy-scientists-want-to-measure-it","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ie\/307250\/","title":{"rendered":"Animals experience joy. Scientists want to measure it"},"content":{"rendered":"<p>\tCitations<\/p>\n<p>S.L. Winkler et al. <a href=\"https:\/\/www.nature.com\/articles\/s41598-025-02594-8\" target=\"_blank\" rel=\"noopener nofollow\">Bonobos tend to behave optimistically after hearing laughter<\/a>. Scientific Reports. Published online June 26, 2025. doi: 10.1038\/s41598-025-02594-8.<\/p>\n<p>X.J. Nelson et al. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/37127535\/\" target=\"_blank\" rel=\"noopener nofollow\">Joyful by nature: approaches to investigate the evolution and function of joy in non-human animals<\/a>. 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R213. doi: 10.1016\/j.cub.2017.02.020.<\/p>\n<p>D.S. Dibble, K.R. Van Alstyne and S. Ridgway. <a href=\"https:\/\/escholarship.org\/uc\/item\/89w2680r\" target=\"_blank\" rel=\"noopener nofollow\">Dolphins signal success by producing a victory squeal<\/a>. International Journal of Comparative Psychology. Vol. 29, 2016. doi: 10.46867\/ijcp.2016.29.00.14.<\/p>\n<p>V.M. Janik. <a href=\"https:\/\/www.cell.com\/current-biology\/fulltext\/S0960-9822(14)01125-7\" target=\"_blank\" rel=\"noopener nofollow\">Play in dolphins<\/a>. Current Biology. Vol. 25, January 5, 2015, p. R7. doi: 10.1016\/j.cub.2014.09.010.<\/p>\n<p>S. H. Ridgway et al. <a href=\"http:\/\/journals.biologists.com\/jeb\/article\/217\/16\/2910\/13811\/Forward-shift-of-feeding-buzz-components-of\" target=\"_blank\" rel=\"noopener nofollow\">Forward shift of feeding buzz components of dolphins and belugas during associative learning reveals a likely connection to reward expectation, pleasure and brain dopamine activation<\/a>. Journal of Experimental Biology. Vol. 217, August 2014, p. 2910. doi: 10.1242\/jeb.100511.<\/p>\n<p>R. Rygula, H. Pluta and P. Popik. <a href=\"https:\/\/journals.plos.org\/plosone\/article?id=10.1371\/journal.pone.0051959\" target=\"_blank\" rel=\"noopener nofollow\">Laughing rats are optimistic<\/a>. PLOS One. Published online December 26, 2012. doi: 10.1371\/journal.pone.0051959.<strong\/><\/p>\n<p>E.J. Harding, E.S. Paul and M. Mendl. <a href=\"https:\/\/www.nature.com\/articles\/427312a\" target=\"_blank\" rel=\"noopener nofollow\">Cognitive bias and affective state<\/a>. Nature. Vol. 427, January 22, 2004. doi: 10.1038\/427312a.\u00a0<\/p>\n<p>J. Burgdorf and J. Panksepp. <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S003193840000411X\" target=\"_blank\" rel=\"noopener nofollow\">Tickling induces reward in adolescent rats<\/a>. Physiology &amp; Behavior. Vol. 72, January\u2013February 2001, p. 167. doi: 10.1016\/S0031-9384(00)00411-X.<\/p>\n","protected":false},"excerpt":{"rendered":"Citations S.L. Winkler et al. Bonobos tend to behave optimistically after hearing laughter. Scientific Reports. Published online June&hellip;\n","protected":false},"author":2,"featured_media":307251,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[269],"tags":[18,440,19,17,21174,133],"class_list":{"0":"post-307250","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-environment","8":"tag-eire","9":"tag-environment","10":"tag-ie","11":"tag-ireland","12":"tag-multimedia","13":"tag-science"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@ie\/115970507008140818","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts\/307250","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/comments?post=307250"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts\/307250\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/media\/307251"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/media?parent=307250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/categories?post=307250"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/tags?post=307250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}