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2.
  • Borgestig, Maria, 1968-, et al. (författare)
  • Eye gaze performance for children with severe physical impairments using gaze-based assistive technology : a longitudinal study
  • 2016
  • Ingår i: Assistive technology. - : Taylor & Francis Group. - 1040-0435 .- 1949-3614. ; 28:2, s. 93-102
  • Tidskriftsartikel (refereegranskat)abstract
    • Gaze-based assistive technology (gaze-based AT) has the potential to provide children affected by severe physical impairments with opportunities for communication and activities. This study aimed to examine changes in eye gaze performance over time (time on task and accuracy) in children with severe physical impairments, without speaking ability, using gaze-based AT. A longitudinal study with an AB design was conducted on ten children (aged 1–15 years) with severe physical impairments, who were beginners to gaze-based AT at baseline. Thereafter, all children used the gaze-based AT in daily activities over the course of the study. Compass computer software was used to measure time on task and accuracy with eye selection of targets on screen, and tests were performed with the children at baseline, after 5 months, 9–11 months, and after 15–20 months. Findings showed that the children improved in time on task after 5 months and became more accurate in selecting targets after 15–20 months. This study indicates that these children with severe physical impairments, who were unable to speak, could improve in eye gaze performance. However, the children needed time to practice on a long-term basis to acquire skills needed to develop fast and accurate eye gaze performance.
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3.
  • Boyle, Bryan, et al. (författare)
  • The Arabic psychosocial impact of assistive devices scale: Development, translation, and evaluation
  • 2024
  • Ingår i: Assistive technology. - : Taylor & Francis. - 1040-0435 .- 1949-3614.
  • Tidskriftsartikel (refereegranskat)abstract
    • This paper describes the development, translation, and early evaluation of the Arabic Psychosocial Impact of Assistive Devices Scale (AR-PIADS), an outcome measure instrument for the subjective impact of Assistive Technology on a person with a disabilities' quality of life. Developing the AR = PIADS instrument involved forward and backward translation by two independent teams of bilingual, Arabic-English speakers (n = 5) and a quality and usability review by a panel of people with disabilities (n = 18). The emergent version was evaluated with a group of experienced Arabic-speaking Assistive Technology users (n = 67) for its psychometric properties. Initial results demonstrate a favorable comparison for 16 of the 26 questionnaire items with scores recorded for the original, English language version. Internal consistency, measured using Cronbach's alpha, yielded a range of 0.97-0.99 for AR-PIADS while the new instrument's reliability was assessed using an intraclass correlation coefficient resulting in scores within the range of 0.86-0.97 for the overall instrument. Despite these positive results however, the translation process did highlight a number of challenges with language and cultural interpretation of the translated instrument. This suggests that further work is warranted to explore its utility in service provision.
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4.
  • Flodström, Camilla, et al. (författare)
  • A pilot study of the impact of the electro suit Mollii® on body functions, activity and participation in children with cerebral palsy
  • 2022
  • Ingår i: Assistive technology. - : Taylor & Francis. - 1040-0435 .- 1949-3614. ; 34:4, s. 411-417
  • Tidskriftsartikel (refereegranskat)abstract
    • Electrical stimulation has been used to treat spasticity in children with cerebral palsy.  Building on the benefits of electrical stimulation, a new assistive device, electro-​suit Mollii® with imbedded electrodes has been tested.  The aim of the study was to evaluate the possible effect of Mollii® on body function, activity and participation in self-​selected activities.  Methods: Six children, five to ten years of age, used the electro-​suit for one hour, every other day for three months.  The impact was evaluated after four weeks and after three months by measuring passive range of motion (ROM)​, muscle tone, pain, gross motor function and participation.  Results: All participants improved in the total score for Canadian Occupational Performance Measure (COPM)​, three of them showed significant clinical improvements.  Pain was reduced for children who estimated pain when the study started.  There were also small changes in ROM and muscle tone and gross motor function.  Conclusion: Electro-​suit Mollii® had a positive impact on activity and participation in self-​selected activities among the children in this study.  Further studies with more children over a longer time are necessary to evaluate the impact and usefulness over time.
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5.
  • Holmqvist, Eva, et al. (författare)
  • Gaze-controlled communication technology for children with severe multiple disabilities: Parents and professionals' perception of gains, obstacles, and prerequisites.
  • 2018
  • Ingår i: Assistive technology : the official journal of RESNA. - : Informa UK Limited. - 1949-3614. ; 30:4, s. 201-208
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of this study was to explore parents' and professionals' thoughts of how a gaze-controlled computer can be beneficial to children with severe multiple disabilities. All systems were provided primarily for symbol-based communication, but were also used for other purposes such as play, leisure and school activities. A further aim was to investigate factors affecting usability, specifically for communication. The study used a qualitative approach, involving content analysis of semistructured interviews with the children's key persons (N = 11). The analysis yielded three categories and twelve subcategories. There were gains for the children in terms of empowerment, social interaction, learning opportunities and efficient computer use. Inaccessibility, liability issues and technical failure were seen as obstacles, while the prerequisites included time, collaboration, stimulating content, know-how and opportunities. To sum up, this study suggests that gaze-controlled technology can provide children who have multiple disabilities involving severe motor dysfunction and communicative and cognitive problems with new opportunities to communicate, interact and perform activities independently, as long as conditions are right.
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6.
  • Hunnicutt, Sheri, et al. (författare)
  • Grammar-guided writing for AAC users
  • 2007
  • Ingår i: Assistive technology. - : Informa UK Limited. - 1040-0435 .- 1949-3614. ; 19:3, s. 128-142
  • Tidskriftsartikel (refereegranskat)abstract
    • A method of grammar-guided writing has been devised to guide graphic sign users through the construction of text messages for use in e-mail and other applications with a remote receiver. The purpose is to promote morphologically and syntactically correct sentences. The available grammatical structures in grammar-guided writing are the highest frequency phrase and sentence types in a database of tagged and parsed e-mail messages. A companion learning path allows users to begin with simple grammatical structures, advancing in steps to more complex structures as their language skills develop. In order to give further support during e-mail composition, grammar-guided writing has been augmented with two complementary text input methods. One is a quick and easy method of choosing preprogrammed messages and e-mail phrases. The other is a more traditional method of selecting graphic signs freely without grammar guidance.
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7.
  • Jarl, Gustav, 1978-, et al. (författare)
  • An alternative perspective on assistive technology : the Person-Environment-Tool (PET) model
  • 2020
  • Ingår i: Assistive technology. - New York, USA : Taylor & Francis. - 1040-0435 .- 1949-3614. ; 32:1, s. 47-53
  • Tidskriftsartikel (refereegranskat)abstract
    • The medical and social models of disability are based on a dichotomy that categorizes people as able-bodied or disabled. In contrast, the biopsychosocial model, which forms the basis for the International Classification of Functioning, Disability and Health (ICF), suggests a universalistic perspective on human functioning, encompassing all human beings. In this article we argue that the artificial separation of function-enhancing technology into assistive technology (AT) and mainstream technology might be one of the barriers to a universalistic view of human functioning. Thus, an alternative view of AT is needed. The aim of this article was to construct a conceptual model to demonstrate how all human activities and participation depend on factors related to the person, environment, and tools, emphasizing a universalistic perspective on human functioning. In the Person-Environment-Tool (PET) model, a person's activity and participation are described as a function of factors related to the person, environment, and tool, drawing on various ICF components. Importantly, the PET model makes no distinction between people of different ability levels, between environmental modifications intended for people of different ability levels, or between different function-enhancing technologies (AT and mainstream technology). A fictive patient case is used to illustrate how the universalistic view of the PET model lead to a different approach in rehabilitation. The PET model supports a universalistic view of technology use, environmental adaptations, and variations in human functioning.
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8.
  • Johansen, Daniel, et al. (författare)
  • A comparative study of virtual hand prosthesis control using an inductive tongue control system
  • 2016
  • Ingår i: Assistive Technology. - : Informa UK Limited. - 1040-0435 .- 1949-3614. ; 28:1, s. 22-29
  • Tidskriftsartikel (refereegranskat)abstract
    • This study compares the time required to activate a grasp or function of a hand prosthesis when using an electromyogram (EMG) based control scheme and when using a control scheme combining EMG and control signals from an inductive tongue control system (ITCS). Using a cross-over study design, 10 able-bodied subjects used a computer model of a hand and completed simulated grasping exercises. The time required to activate grasps was recorded and analyzed for both control schemes. End session mean activation times (ATs; seconds) for the EMG control scheme grasps 1 -5 were 0.80, 1.51, 1.95, 2.93, and 3.42; for the ITCS control scheme grasps 1 5 they were 1.19, 1.89, 1.75, 2.26, and 1.80. Mean AT for grasps 1 and 2 was statistically significant in favor of the EMG control scheme (p = 0.030; p = 0.004). For grasp 3 no statistical significance occurred, and for grasps 4 and 5 there was a statistical significance in favour of the ITCS control scheme (p = 0.048; p = 0.004). Based on the amount of training and the achieved level of performance, it is concluded that the proposed ITCS control scheme can be used as a means of enhancing prosthesis control.
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9.
  • Larsson Ranada, Åsa, 1965-, et al. (författare)
  • Satisfaction with assistive technology device in relation to the service delivery process : A systematic review
  • 2019
  • Ingår i: Assistive technology. - : Taylor & Francis. - 1040-0435 .- 1949-3614. ; 31:2, s. 82-97
  • Forskningsöversikt (refereegranskat)abstract
    • The service delivery process (SDP) of assistive technology devices (ATDs) is attracting interest, as theprovision of ATDs is critical for the independence and participation in society of individuals withdisabilities. The purpose of the current study was to investigate what impact the SDP has on satisfactionwith ATDs in individuals with disabilities in relation to everyday activities. A systematic literature reviewwas conducted, which resulted in 53 articles included. The results showed that there are factors inalmost all the different steps of the SDP that affect the satisfaction with of the devices, which can lead tounderutilization and abandonment of ATDs. Only a few studies have been conducted with a designrobust enough to generalize the results; therefore, more research is needed. Therefore, the conclusion isthe SDP as a whole contributes to the satisfaction with and usability of ATDs in individuals with disabilityin relation to achieving the desired goals of participation in everyday activities, for the articles includedmust be deemed as moderate. A client-centred approach in the process is advocated, and was found tobe an important factor for an effective SDP and satisfied users.
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