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This \u201cwe-mode\u201d stance should shape attention and memory, making partner-relevant information psychologically significant because it supports a collective goal. Using a joint-search paradigm, we tested whether people automatically attend to and remember partner goals. Pairs of participants searched for targets from different item categories, and trials were successful only when both responded correctly. A surprise recognition test followed the joint-search task assessing memory for the items. Across Experiments 1 (animate stimuli) and 2 (inanimate stimuli), participants showed better recognition of partner-goal items compared to distractors. Participants also showed enhanced attention to partner-goal items in Experiment 2. In Experiment 3, participants completed the same task, and returned three days later for a recognition test first followed by a second joint-search task with switched targets. Participants continued to show superior recognition for partner-goal items, and search efficiency improved after targets switched, indicating that partner-goal was retained over time and supported later cooperation. Together, these findings demonstrate that human cognition supports joint actions over time by organizing attention and memory around what \u201cwe\u201d are doing together.<\/jats:p>","DOI":"10.3390\/bs16050690","type":"journal-article","created":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T14:35:53Z","timestamp":1777559753000},"page":"690","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["What\u2019s Yours Is Mine: Spontaneous Representation and Memorization of Co-Actor\u2019s Goals"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8943-9495","authenticated-orcid":false,"given":"Zhen","family":"Li","sequence":"first","affiliation":[{"name":"Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou 310027, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jingyin","family":"Zhu","sequence":"additional","affiliation":[{"name":"Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou 310027, China"},{"name":"Guangdong Oppo Mobile Telecommunications Corp., Ltd., Dongguan 523860, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1323-475X","authenticated-orcid":false,"given":"Xutao","family":"Zheng","sequence":"additional","affiliation":[{"name":"Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou 310027, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mengting","family":"Xu","sequence":"additional","affiliation":[{"name":"Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou 310027, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0166-7125","authenticated-orcid":false,"given":"Jifan","family":"Zhou","sequence":"additional","affiliation":[{"name":"Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou 310027, China"},{"name":"Zhejiang Key Laboratory of Neurocognitive Development and Mental Health, Zhejiang University, Hangzhou 310027, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mowei","family":"Shen","sequence":"additional","affiliation":[{"name":"Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou 310027, China"},{"name":"Zhejiang Key Laboratory of Neurocognitive Development and Mental Health, Zhejiang University, Hangzhou 310027, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,4,30]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"410","DOI":"10.1080\/17470910801900908","article-title":"Action co-representation: The joint SNARC effect","volume":"3","author":"Atmaca","year":"2008","journal-title":"Social Neuroscience"},{"key":"ref_2","first-page":"321","article-title":"Social learning theory","volume":"2","author":"Bandura","year":"1977","journal-title":"Canadian Journal of Sociology\/Cahiers Canadiens de Sociologie"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"49","DOI":"10.1016\/j.copsyc.2016.05.006","article-title":"Awareness of the prime versus awareness of its influence: Implications for the real-world scope of unconscious higher mental processes","volume":"12","author":"Bargh","year":"2016","journal-title":"Current Opinion in Psychology"},{"key":"ref_4","unstructured":"Baron-Cohen, S. 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