Clinical Practice & Epidemiology in Mental Health

ISSN: 1745-0179 ― Volume 15, 2019

Interreality: The Experiential Use of Technology in the Treatment of Obesity

Riva G1, 2, *, Wiederhold B.K1, 3, Mantovani F4, Gaggioli A1, 2
1 ICE-NET Lab., Università Cattolica del Sacro Cuore, Milan, Italy
2 ATN-P Lab., Istituto Auxologico Italiano, Milan, Italy
3 Virtual Reality Medical Institute, Bruxelles, Belgium
4 Department of Epistemology and Hermeneutics of Education, University of Milan-Bicocca, Milan, Italy


For many of us, obesity is the outcome of an energy imbalance: more energy input than expenditure. However, our waistlines are growing in spite of the huge amount of diets and fat-free/low-calorie products available to cope with this issue. Even when we are able to reduce our waistlines, maintaining the new size is very difficult: in the year after the end of a nutritional and/or behavioral treatment obese persons typically regain from 30% to 50% of their initial losses. A possible strategy for improving the treatment of obesity is the use of advanced information technologies. In the past, different technologies (internet, virtual reality, mobile phones) have shown promising effects in producing a healthy lifestyle in obese patients. Here we suggest that a new technological paradigm - Interreality – that integrates assessment and treatment within a hybrid experiential environment - including both virtual and real worlds - has the potential to improve the clinical outcome of obesity treatments. The potential advantages offered by this approach are: (a) an extended sense of presence: Interreality uses advanced simulations (virtual experiences) to transform health guidelines and provisions in experiences; (b) an extended sense of community: Interreality uses virtual communities to provide users with targeted – but also anonymous, if required - social support in both real and virtual worlds; (c) real-time feedback between physical and virtual worlds: Interreality uses bio and activity sensors and devices (smartphones) both to track in real time the behavior/health status of the user, and to provide targeted suggestions and guidelines. This paper describes in detail the different technologies involved in the Interreality vision. In order to illustrate the concept of Interreality in practice, a clinical scenario is also presented and discussed: Daniela, a 35-year-old fast-food worker with obesity problems.

Keywords: Interreality, obesity, virtual reality, biosensors, virtual communities, smartphones, experiential therapies.

Article Information

Identifiers and Pagination:

Year: 2011
Volume: 7
First Page: 51
Last Page: 61
Publisher Id: CPEMH-7-51
DOI: 10.2174/1745017901107010051

Article History:

Received Date: 18/3/2010
Revision Received Date: 21/6/2010
Acceptance Date: 9/9/2010
Electronic publication date: 4/3/2011
Collection year: 2011

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© Riva et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Dipartimento di Psicologia, Università Cattolica del Sacro Cuore, Largo Gemelli 1, 20123 Milan, Italy; Tel: +39-02-619112726; Fax: +39-02-619112892; E-mail:


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