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Zool."],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Although it has been suggested that olfaction is closely interconnected with hippocampal systems, whether olfaction regulates spatial memory strategy remains never known. Furthermore, no study has examined how olfaction mediates spatial memory established on the external objects, for example, caches made by scatter\u2010hoarding animals. Here, we experimentally induced nondestructive and reversible olfaction loss of a scatter\u2010hoarding animal <jats:italic>Leopoldamys edwardsi<\/jats:italic>, to test whether and how olfaction regulates spatial memory to mediate cache recovery and pilferage. Our results showed that the normal <jats:italic>L. edwardsi<\/jats:italic> preferred to pilfer caches of others rather than to recover their own using accurate spatial memory (35.7% vs. 18.6%). Anosmic <jats:italic>L. edwardsi<\/jats:italic> preferred to recover the caches they made prior to olfaction loss rather than to pilfer from others relied on spatial memory (54.2% vs. 36.0%). However, <jats:italic>L. edwardsi<\/jats:italic> with anosmia showed no preference either to the caches they established after olfaction loss or caches made by others (25.8% vs. 29.1%). These collectively indicate that olfaction loss has a potential to affect new memory formation but not previously established spatial memory on caches. Our study first showed that olfaction modified spatial memory strategy in cache recovery and pilferage behaviors of scatter\u2010hoarding animals. We suggest that future studies pay more attention to the evolution of olfaction and its relationship with spatial memory strategy.<\/jats:p>","DOI":"10.1111\/1749-4877.12498","type":"journal-article","created":{"date-parts":[[2020,11,2]],"date-time":"2020-11-02T15:59:47Z","timestamp":1604332787000},"page":"128-135","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Olfaction alters spatial memory strategy of scatter\u2010hoarding animals"],"prefix":"10.1111","volume":"16","author":[{"given":"Sijie","family":"YI","sequence":"first","affiliation":[{"name":"College of Life and Environmental Sciences University of Exeter  Exeter UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Minghui","family":"WANG","sequence":"additional","affiliation":[{"name":"College of Life Sciences Qufu Normal University  Qufu China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mengyao","family":"JU","sequence":"additional","affiliation":[{"name":"College of Life Sciences Qufu Normal University  Qufu China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xianfeng","family":"YI","sequence":"additional","affiliation":[{"name":"College of Life Sciences Qufu Normal University  Qufu China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2020,11,22]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1523\/JNEUROSCI.03-01-00069.1983"},{"key":"e_1_2_10_3_1","first-page":"363","article-title":"Pattern of olfactory bulb innervations returns after recovery from reversible peripheral deafferentation","volume":"421","author":"Cummings DM","year":"2000","journal-title":"Journal of Comparative 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