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Veralia Gabriela Sánchez,1 Camilla Anker-Hansen,2 Ingrid Taylor,3 Grethe Eilertsen3,4 1Faculty of Technology, Natural Sciences and Maritime Sciences, University of South-Eastern Norway, Porsgrunn, Telemark, Norway; 2Faculty of Health and Welfare, Østfold University College, Fredrikstad, Østfold, Norway; 3Faculty of Health and Social Sciences, University of South-Eastern Norway, Drammen, Buskerud, Norway; 4Research Group of Studies on Older People, Faculty of Health and Social Sciences, University of South-Eastern Norway, Drammen, Buskerud, NorwayCorrespondence: Veralia Gabriela SánchezUniversity of South-Eastern Norway, Postbox 235, Kongsberg 3603, NorwayTel +47 35 57 53 61Email veralia.g.sanchez@usn.noBackground: In Norway, as in other European countries, the ageing population is increasing rapidly. Governments seek to enable older people stay in their homes for as long as possible, and welfare technology (WT) has been proposed as a possible solution. Human behaviour modelling (HBM) is a welfare technology that identifies an individual’s behaviour patterns and detects abnormal behaviours, including falls and early signs of dementia. However, the successful development of HBM WT requires the consideration of the older people’s attitudes on this.Aim: The present study sought to explore attitudes and perspectives about welfare technology among older people living alone in Norway.Methods: We used an exploratory, qualitative approach in which semi-structured, in-depth interviews were conducted with five women and four men between the ages of 79 and 91. The interviews were analysed using qualitative content analysis.Results: Two categories and four subcategories were identified: 1) preferences and concerns of welfare technology (i) feeling confident-proactive approach of future technology, (ii) concerns and dilemmas, and 2) reflections of today and tomorrow- awareness of own health (i) feeling healthy, independent, self-sufficient and safe, (ii) facing own ageing- preparedness on unpredictable scenarios. The main theme, welfare technology - a valuable addition to tomorrow’s homes, represents how the participants held positive and proactive attitudes towards the use of WT in their homes.Conclusion: Participants trusted the Norwegian healthcare system and did not rely on their families for care. Independence, autonomy, and feeling safe were essential for all participants, and most participants regarded welfare technology as empowering them to remain in their homes for as long as possible. Participants already confidently used various technologies in their daily lives. Surprisingly, they expressed no concerns about privacy, but some mention concerns about loss of autonomy and dignity. We conclude that a person-centred approach to integrating new WT is necessary.Keywords: assistive technology, ambient assistive living, ethical challenges, healthcare, ageing in place, human behaviour

Sublethal effects of water-accommodated fraction (WAF) from crude oil of Neuquén basin, Northern Patagonia-Argentina, were examined on both antioxidant and detoxification system of Hyalella curvispina adults collected in Los Barreales (LB) lake and in an oil-polluted stream (DS). The effects of WAF exposure during 6, 24 and 48 h were evaluated in the glutathione content (GSH) and glutathione S-transferase (GST), catalase (CAT) and cytochrome P450 (CYP450) activities. Populations from DS and LB showed not only different basal GSH content and enzyme activities but also different behavior to WAF exposure. LB population exposed to WAF showed a significant increase in GSH content, CAT and CYP450 activities, compared to control group. DS population presented high basal levels in CAT and CYP activity compared with LB population, but their response to WAF exposure was minor. Amphipods from DS, chronically exposed to hydrocarbons, were adapted to their environment., (Copyright © 2019 Elsevier B.V. All rights reserved.)