{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,24]],"date-time":"2025-12-24T06:26:55Z","timestamp":1766557615305,"version":"build-2065373602"},"reference-count":61,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2025,1,31]],"date-time":"2025-01-31T00:00:00Z","timestamp":1738281600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Ministero Istruzione Universit\u00e0 e Ricerca","award":["2022L3AALJ"],"award-info":[{"award-number":["2022L3AALJ"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Virtual Worlds"],"abstract":"<jats:p>Peri-personal space (PPS) refers to the area immediately surrounding our body where interactions with objects and others occur. Immersive virtual reality (IVR) offers a controlled and adaptable environment, enabling the precise modulation of PPS boundaries. This provides significant benefits across various fields, including enhancing spatial awareness, advancing therapeutic interventions, and improving ergonomic designs. This systematic review aims to synthesize and evaluate the existing literature on this topic through various methodologies. To achieve this, three databases, PubMed, Scopus, and Web of Science, were searched following the PRISMA framework. Twenty studies met the eligibility criteria, were assessed for quality, and were included in the review. Across all studies, IVR was utilized to provide multisensory interactions and implement methods were used to manipulate PPS boundaries. The review categorizes PPS extension methods into three main domains: tool-use extension, extension related to tool use, social interaction extension, and embodiment-related extension. The findings confirm IVR\u2019s potential to expand PPS boundaries and offer recommendations for leveraging this technology in future research. This work highlights the importance of IVR in advancing our understanding of PPS and its practical applications across diverse contexts.<\/jats:p>","DOI":"10.3390\/virtualworlds4010005","type":"journal-article","created":{"date-parts":[[2025,1,31]],"date-time":"2025-01-31T08:05:41Z","timestamp":1738310741000},"page":"5","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Extending Peri-Personal Space in Immersive Virtual Reality: A Systematic Review"],"prefix":"10.3390","volume":"4","author":[{"given":"Cagatay","family":"Karakoc","sequence":"first","affiliation":[{"name":"Department of Cognitive, Psychological, Educational and Cultural Studies, University of Messina, Via Concezione, 6, 98121 Messina, Italy"}]},{"given":"Chiara","family":"Lucifora","sequence":"additional","affiliation":[{"name":"Department of Philosophy, Alma Mater Studiorum University of Bologna, 40126 Bologna, Italy"}]},{"given":"Simona","family":"Massimino","sequence":"additional","affiliation":[{"name":"Department of Cognitive, Psychological, Educational and Cultural Studies, University of Messina, Via Concezione, 6, 98121 Messina, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4429-0313","authenticated-orcid":false,"given":"Sebastiano","family":"Nucera","sequence":"additional","affiliation":[{"name":"Department of Cognitive, Psychological, Educational and Cultural Studies, University of Messina, Via Concezione, 6, 98121 Messina, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7557-9078","authenticated-orcid":false,"given":"Carmelo Mario","family":"Vicario","sequence":"additional","affiliation":[{"name":"Department of Cognitive, Psychological, Educational and Cultural Studies, University of Messina, Via Concezione, 6, 98121 Messina, Italy"}]}],"member":"1968","published-online":{"date-parts":[[2025,1,31]]},"reference":[{"key":"ref_1","unstructured":"(2024, May 20). 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