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Surprisingly, tactile learning also occurs for body parts and skin locations that are not physically involved in the training. For example, after training of a finger, tactile learning transfers to adjacent untrained fingers. This suggests that the transfer of tactile learning follows a somatotopic pattern and involves brain regions such as the primary somatosensory cortex (S1), in which the trained and untrained body parts and skin locations are represented close to each other. However, other results showed that transfer occurs between body parts that are not represented close to each other in S1\u2014for example, between the hand and the foot. These and similar findings have led to the suggestion of additional cortical mechanisms to explain the transfer of tactile learning. Here, different mechanisms are reviewed, and the extent to which they can explain the transfer of tactile learning is discussed. What all of these mechanisms have in common is that they assume a representational or functional relationship between the trained and untrained body parts and skin locations. However, none of these mechanisms alone can explain the complex pattern of transfer results, and it is likely that different mechanisms interact to enable transfer, perhaps in concert with higher somatosensory and decision-making areas.<\/jats:p>","DOI":"10.1177\/10738584241256277","type":"journal-article","created":{"date-parts":[[2024,5,30]],"date-time":"2024-05-30T08:31:25Z","timestamp":1717057885000},"page":"98-114","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["Transfer of Tactile Learning to Untrained Body Parts: Emerging Cortical Mechanisms"],"prefix":"10.1177","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7028-8754","authenticated-orcid":false,"given":"Sebastian M.","family":"Frank","sequence":"first","affiliation":[{"name":"Institute for Experimental Psychology, University of Regensburg, Regensburg, 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Berichte \u00fcber die Verhandlungen der K\u00f6niglich S\u00e4chsischen Gesellschaft der Wissenschaften zu Leipzig: Mathematisch-Physische Classe 10:38\u201369. 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