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- Hoppe, J. A., et al.
(författare)
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When do individuals choose care robots over a human caregiver? : Insights from a laboratory experiment on choices under uncertainty
- 2023
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Ingår i: Computers in Human Behavior Reports. - : Elsevier B.V.. - 2451-9588. ; 9
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Tidskriftsartikel (refereegranskat)abstract
- Demographic changes and a predicted shortage of nursing staff are progressively putting pressure on the healthcare system. Care robots may represent one part of a possible solution to this problem as they can assist care work. However, large parts of the population are reportedly skeptical about robotics in care, and field studies are difficult to conduct due to the low prevalence of real robotics in the field. Therefore, we follow an experimental approach pertaining to the question of individual decision-making. In this regard, we analyze the aspects that influence the individual's choice between a care robot and a human caregiver for assistance in their daily life. Our economic experiment is conducted in a virtual laboratory to examine specifically how quality uncertainty of care affects individual's decisions for and against robotic care. In the experiment, 162 participants fully completed the experiment in which they were asked to repeatedly choose between a human caregiver and a care robot. Our results reveal that, overall, the care robot is chosen more often than a human caregiver. At the same time, the quality uncertainty of care linked to a human caregiver barely affected the choice of participants. On the other hand, a participant's health status and their attitude toward direct interactions with care robots did partially affect their choice. Additionally, we explored causes for indecisiveness and its effect on the choice. Here, we found indecisive participants tending to choose a human caregiver more often.
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- Johansson-Pajala, Rose-Marie, et al.
(författare)
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Improved Knowledge Changes the Mindset : Older Adults’ Perceptions of Care Robots
- 2019
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Ingår i: Lecture Notes in Computer Science, vol. 11592. - Cham : Springer Verlag. - 9783030220112 ; , s. 212-227
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Konferensbidrag (refereegranskat)abstract
- This paper explores Finnish, German and Swedish older adults’ perceptions of a future welfare service with increased use of welfare technologies, specifically care robots. The issues are the rapid digitalization and development of health and welfare technology, which presently is mainly technology driven (not need or user driven), and the demographic challenge. The aim of the study was to explore older adults’ perception of the future use of welfare technology or care robots. A qualitative approach with focus group discussions was employed, followed by thematic analysis. The results are presented in four overall themes: the impact on daily life for older adults and professional caregivers, codes of practice and terms of use, dissemination of information and knowledge, and conditions for successful implementation. There were significant differences in the informants’ attitudes toward and knowledge about care robots. However, the informants’ attitudes appeared to change during the focus groups and in general, became more positive. Authentic needs, which care robots could support, refer to independence, safety and security, and the ability to manage or ease daily life or working life. The results suggest that older adults, after receiving relevant information, were open to the idea of being supported by care robots in their daily lives.
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- Martikainen, P., et al.
(författare)
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Brain pathology in three subjects from the same pedigree with presenilin-1 (PSEN1) P264L mutation
- 2010
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Ingår i: Neuropathology and Applied Neurobiology. - : Wiley. - 0305-1846 .- 1365-2990. ; 36:1, s. 41-54
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Tidskriftsartikel (refereegranskat)abstract
- AIMS: Our goal was to assess pathological lesions with respect to type and distribution and to compare these results with the clinical presentation including symptoms and mode of progression in three members of the same pedigree with a P264L presenilin-1 gene mutation. METHODS: We used immunohistochemistry and a tissue microarray technique applied to post mortem brain tissue samples. RESULTS: All three subjects were demented, one subject displayed spastic paraparesis and two had Parkinsonism. All three cases displayed abundant cotton wool plaques composed of amyloid-beta42 but also containing other proteins, for example, hyperphosphorylated tau and in one case TAR DNA binding protein 43. The distribution of the pathology varied and seemed to some extent to be related to the clinical phenotype. An association was detected between neocortical/thalamic involvement and psychiatric symptoms, between striatal/amygdaloid involvement and Parkinsonism, and between brainstem involvement and spastic paraparesis. CONCLUSIONS: Subjects from the same pedigree carrying the same mutation display a clear variability in the type and distribution of pathology as well as in their clinical symptoms. These results emphasize that still unknown factors significantly alter the pathological and clinical phenotypes in genetically predetermined disease.
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- Snellman, Anniina, et al.
(författare)
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APOE epsilon 4 gene dose effect on imaging and blood biomarkers of neuroinflammation and beta-amyloid in cognitively unimpaired elderly
- 2023
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Ingår i: Alzheimers Research & Therapy. - 1758-9193. ; 15:1
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Tidskriftsartikel (refereegranskat)abstract
- BackgroundNeuroinflammation, characterized by increased reactivity of microglia and astrocytes in the brain, is known to be present at various stages of the Alzheimer's disease (AD) continuum. However, its presence and relationship with amyloid pathology in cognitively normal at-risk individuals is less clear. Here, we used positron emission tomography (PET) and blood biomarker measurements to examine differences in neuroinflammation and beta-amyloid (A beta) and their association in cognitively unimpaired homozygotes, heterozygotes, or non-carriers of the APOE epsilon 4 allele, the strongest genetic risk for sporadic AD.MethodsSixty 60-75-year-old APOE epsilon 4 homozygotes (n = 19), heterozygotes (n = 21), and non-carriers (n = 20) were recruited in collaboration with the local Auria biobank. The participants underwent C-11-PK11195 PET (targeting 18-kDa translocator protein, TSPO), C-11-PiB PET (targeting A beta), brain MRI, and neuropsychological testing including a preclinical cognitive composite (APCC). C-11-PK11195 distribution volume ratios and C-11-PiB standardized uptake value ratios (SUVRs) were calculated for regions typical for early A beta accumulation in AD. Blood samples were drawn for measuring plasma glial fibrillary acidic protein (GFAP) and plasma A beta(1-42/1.40).ResultsIn our cognitively unimpaired sample, cortical C-11-PiB-binding increased according to APOE epsilon 4 gene dose (median composite SUVR 1.47 (range 1.38-1.66) in non-carriers, 1.55 (1.43-2.02) in heterozygotes, and 2.13 (1.61-2.83) in homozygotes, P = 0.002). In contrast, cortical composite C-11-PK11195-binding did not differ between the APOE epsilon 4 gene doses (P = 0.27) or between A beta-positive and A beta-negative individuals (P = 0.81) and associated with higher A beta burden only in APOE epsilon 4 homozygotes (Rho = 0.47, P = 0.043). Plasma GFAP concentration correlated with cortical C-11-PiB (Rho = 0.35, P = 0.040), but not C-11-PK11195-binding (Rho = 0.13, P = 0.47) in A beta-positive individuals. In the total cognitively unimpaired population, both higher composite C-11-PK11195-binding and plasma GFAP were associated with lower hippocampal volume, whereas elevated C-11-PiB-binding was associated with lower APCC scores.ConclusionsOnly A beta burden measured by PET, but not markers of neuroinflammation, differed among cognitively unimpaired elderly with different APOE epsilon 4 gene dose. However, APOE epsilon 4 gene dose seemed to modulate the association between neuroinflammation and A beta.
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