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Assistive Technology: the Official Journal of RESNA

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https://www.readbyqxmd.com/read/28152342/ambient-intelligence-framework-for-real-time-speech-to-sign-translation
#1
Mwaffaq Otoom, Mohammad A Alzubaidi
Sign language can be used to facilitate communication with and between deaf or hard of hearing (Deaf/HH). With the advent of video streaming applications in smart TVs and mobile devices, it is now possible to use sign language to communicate over worldwide networks. In this article, we develop a prototype assistive device for real-time speech-to-sign translation. The proposed device aims at enabling Deaf/HH people to access and understand materials delivered in mobile streaming videos through the applications of pipelined and parallel processing for real-time translation, and the application of eye-tracking based user-satisfaction detection to support dynamic learning to improve speech-to-signing translation...
February 2, 2017: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/28152341/an-eye-movement-analysis-of-web-usability-differences-between-older-adults-with-and-without-mild-cognitive-impairment
#2
Marten Haesner, Johan Chandra, Anika Steinert, Elisabeth Steinhagen-Thiessen
Older adults are exposed to computer-based applications daily. However, most websites and applications are not specifically developed for older adults. Studies have shown that older adults with mild cognitive impairment (MCI) behave differently from older adults without MCI in website usage. Eye tracking is a valuable tool to assess users' eye movement behavior in relation to website usability. Understanding the differences in web navigational behavior between older adults with and without MCI would be helpful for developing websites for this target group...
February 2, 2017: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/28152334/a-comparison-of-the-efficacy-of-weight-shift-vs-joystick-control-of-a-robotic-mobility-device-by-infants-ages-5-to-10-months
#3
Sharon Stansfield, Carole Dennis, Rachel Altman, Janelle Smith, Hélène Larin
The onset of crawling in infants contributes to cognitive, perceptual, social, and emotional development. Conversely, infants with motor impairment that delays or prevents autonomous mobility often have associated developmental delays. Evidence suggests that providing mobility may have positive developmental outcomes, however powered wheelchairs may not be recommended for very young children, due to safety concerns and the child's level of cognitive maturity. The WeeBot is a mobility device controlled by infant weight shifting while seated; infants as young as 5 months have learned to use it...
February 2, 2017: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/28140832/assistive-technology-needs-functional-difficulties-and-services-utilization-and-coordination-of-children-with-developmental-disabilities-in-the-united-states
#4
Sue C Lin, Robert S Gold
Assistive technology (AT) enhances the ability of individuals with disabilities to be fully engaged in activities at home, at school, and within their communities-especially for children with developmental disabilities (DD) with physical, sensory, learning, and/or communication impairments. The prevalence of children with DD in the United States has risen from 12.84% in 1997 to 15.04% in 2008. Thus, it is important to monitor the status of their AT needs, functional difficulties, services utilization, and coordination...
January 31, 2017: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/28140766/connected-cane-tactile-button-input-for-controlling-gestures-of-ios-voiceover-embedded-in-a-white-cane
#5
Jared M Batterman, Vincent F Martin, Derek Yeung, Bruce N Walker
Accessibility of assistive consumer devices is an emerging research area with potential to benefit both users with and without visual impairments. In this article, we discuss the research and evaluation of using a tactile button interface to control an iOS device's native VoiceOver Gesture navigations (Apple Accessibility, 2014). This research effort identified potential safety and accessibility issues for users trying to interact and control their touchscreen mobile iOS devices while traveling independently...
January 31, 2017: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/28085635/access-to-all-components-of-scanned-mathematical-documents-by-vision-impaired-students
#6
Azadeh Nazemi, Chandrika Fernando, Iain Murray, David A McMeekin
Vision-impaired people access documents using screen readers. Electronic documents may contain non-textual components, non-linear components, and multidimensional components, such as mathematical expressions and graphs. These components create a number of accessibility issues for those who use screen readers as assistive technology. The research presented here describes mathematical information retrieval, and accessible and navigable representation of mathematical function graphs as solutions to these issues...
January 13, 2017: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/28055332/temperature-measurement-and-control-system-for-transtibial-prostheses-single-subject-clinical-evaluation
#7
Kamiar Ghoseiri, Yong Ping Zheng, Aaron K L Leung, Mehdi Rahgozar, Gholamreza Aminian, Mehdi Masoumi, Mohammad Reza Safari
The snug fit of a prosthetic socket over the residual limb can disturb thermal balance and put skin integrity in jeopardy by providing an unpleasant and infectious environment. The prototype of a temperature measurement and control (TM&C) system was previously introduced to resolve thermal problems related to prostheses. This study evaluates its clinical application in a setting with reversal, single subject design. The TM&C system was installed on fabricated prosthetic socket of a man with unilateral transtibial amputation...
January 5, 2017: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/28001493/enhancing-conflict-negotiation-strategies-of-adolescents-with-autism-spectrum-disorder-using-video-modeling
#8
M Hochhauser, P L Weiss, E Gal
Adolescents with autism spectrum disorder (ASD) have particular difficulty in negotiating conflict. A randomized control trial (RCT) was carried out to determine whether the negotiation strategies of adolescents with ASD would be enhanced via a 6-week intervention based on a video modeling application. Adolescents with ASD, aged 12-18 years, were randomly divided into an intervention group (n = 36) and a non-treatment control group (n = 25). Participants' negotiating strategies prior to and following the intervention were measured using the Five Factor Negotiation Scale (FFNS; Nakkula & Nikitopoulos, 1999) and the ConflicTalk questionnaire (Kimsey & Fuller, 2003)...
December 21, 2016: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/27846371/data-logger-technologies-for-manual-wheelchairs-a-scoping-review
#9
François Routhier, Josiane Lettre, William C Miller, Jaimie F Borisoff, Kate Keetch, Ian M Mitchell, CanWheel Research Team
In recent years, studies have increasingly employed data logger technologies to record objective driving and physiological characteristics of manual wheelchair users. However, the technologies used offer significant differences in characteristics such as measured outcomes, ease of use and level of burden. In order to identify and describe the extent of published research activity that relies on data logger technologies for manual wheelchair users, we performed a scoping review of the scientific and grey literature...
November 15, 2016: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/27717292/reduction-in-ulnar-pressure-distribution-when-walking-with-forearm-crutches-with-a-novel-cuff-design-cross-sectional-intervention-study-on-the-biomechanical-efficacy-of-an-ulnar-recess
#10
Pascal Molteni, Thomas Hügle, Maria Hügle, Corina Nüesch, Annegret Mündermann
Walking with crutches is an effective way of reducing the load on the lower extremity and is often indicated after injury or surgery. However, walking with forearm crutches with conventional cuffs can trigger symptoms including tenosynovitis in the biceps tendon, ulnar neuropraxia at the wrist, pain or skin hematoma. The purpose of this study was to test the hypothesis that a crutch cuff design with an ulnar recess reduces ulnar pressure during walking with forearm crutches. The pressure distribution between the forearm and crutch cuff was measured in 15 healthy participants for crutch walking with conventional and novel cuffs, respectively...
October 7, 2016: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/27715489/problematic-clinical-features-of-children-and-adults-with-cerebral-palsy-who-use-electric-powered-indoor-outdoor-wheelchairs-a-cross-sectional-study
#11
Andrew O Frank, Lorraine H De Souza
This article aims to describe the clinical features of electric powered indoor/outdoor wheelchair (EPIOC) users with cerebral palsy (CP) that are problematic to optimal prescription and to explore comorbidities, features of CP, and conditions secondary to disability impacting on equipment provision for children and adults. The method is a cross-sectional study of EPIOC users (n = 102) with a primary diagnosis of CP. This is a retrospective review of electronic and case note records of EPIOC recipients attending a specialist wheelchair service in 2007-2008...
October 7, 2016: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/27691924/temperature-measurement-and-control-system-for-transtibial-prostheses-functional-evaluation
#12
Kamiar Ghoseiri, Yong Ping Zheng, Aaron K L Leung, Mehdi Rahgozar, Gholamreza Aminian, Tat Hing Lee, Mohammad Reza Safari
The accumulation of heat inside the prosthetic socket increases skin temperature and fosters perspiration, which consequently leads to high tissue stress, friction blister, discomfort, unpleasant odor, and decreased prosthesis suspension and use. In the present study, the prototype of a temperature measurement and control (TM&C) system was designed, fabricated, and functionally evaluated in a phantom model of the transtibial prosthetic socket. The TM&C system was comprised of twelve Thermistors that were divided equally into two groups that arranged internal and external to a prosthetic silicone liner...
October 3, 2016: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/27691922/using-peer-mediated-instruction-to-support-communication-involving-a-student-with-autism-during-mathematics-activities-a-case-study
#13
Paulo Tan, Erna Alant
This study employed an A-B singled subject design to explore the extent to which a peer-mediated intervention supported a first-grade student with autism's usage both in purpose and frequency of a speech-generating device (SGD) during mathematics activities. The intervention involved teaching a peer without a disability to encourage the student with autism to use the SGD during partnered mathematics activities. Our analysis involved visual and descriptive examination of trends and patterns over time, and comparison of means between and within phases...
October 3, 2016: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/27690204/introduction-to-the-special-series-technology-and-disabilities-in-education
#14
Brian R Bryant, Soonhwa Seok
In the nearly 30 years since the passage of the Technology-Related Assistance to Individuals with Disabilities Act of 1988, technology-mediated instruction has been implemented successfully with both students without disabilities and students with a range of disabilities to help them meet the demands of instruction. In this special issue of Assistive Technology, a number of noted scholars contribute research findings designed to add to the growing body of knowledge validating the use of assistive and instructional technology in the classroom...
September 30, 2016: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/27689690/the-effect-of-cushion-properties-on-skin-temperature-and-humidity-at-the-body-support-interface
#15
Tzu-Wen Hsu, Shu-Yu Yang, Jung-Tai Liu, Cheng-Tang Pan, Yu-Sheng Yang
The purpose of this study is to explore the effects of various cushions on skin temperature and moisture at the body-seat interface during a 2-hour period of continuous sitting. Seventy-eight participants were randomly assigned to sit on one of the three types of wheelchair cushions for unrelieved sitting for over 2 hours. Skin temperature and relative humidity (RH) were measured under the subjects' ischial tuberosities and thighs bilaterally with digital temperature and humidity sensors. Data were collected before sitting and at 15-minute intervals thereafter...
September 29, 2016: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/27687856/the-effect-of-cushion-properties-on-skin-temperature-and-humidity-at-the-body-support-interface
#16
Tzu-Wen Hsu, Shu-Yu Yang, Jung-Tai Liu, Cheng-Tang Pan, Yu-Sheng Yang
PURPOSE: To explore the effects of various cushions on skin temperature and moisture at the body-seat interface during a 2-h period of continuous sitting. METHOD: Seventy-eight participants were randomly assigned to sit on one of the three types of wheelchair cushion for unrelieved sitting over 2 h. Skin temperature and relative humidity (RH) were measured under the subjects' ischial tuberosities and thighs bilaterally with digital temperature and humidity sensors...
September 29, 2016: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/27687753/telehealth-monitor-to-measure-physical-activity-and-pressure-relief-maneuver-performance-in-wheelchair-users
#17
Ariel V Dowling, Valerie Eberly, Somboon Maneekobkunwong, Sara J Mulroy, Philip S Requejo, Joseph T Gwin
The purpose of this study was to demonstrate the feasibility of a device for monitoring pressure relief maneuvers and physical activity for wheelchair users. The device counts the number of wheel-pushes based on wheelchair acceleration and measures pressure relief maneuvers using a seat-sensor consisting of three force sensing resistors. To establish the feasibility of the seat-sensor for the detection of pressure relief maneuvers, ten wheelchair users and ten non-disabled controls completed a series of wheelchair depression raises, forward trunk leans, and lateral trunk leans...
September 29, 2016: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/27658061/tele-rehabilitation-using-in-house-wearable-ankle-rehabilitation-robot
#18
Prashant K Jamwal, Shahid Hussain, Nazim Mir-Nasiri, Mergen H Ghayesh, Sheng Q Xie
This paper explores wide-ranging potential of the wearable ankle robot for in-house rehabilitation. The presented robot has been conceptualized following a brief analysis of the existing technologies, systems and solutions for in-house physical ankle rehabilitation. Configuration design analysis and component selection for ankle robot have been discussed as part of the conceptual design. The complexities of human robot interaction are closely encountered while manoeuvring a rehabilitation robot. We present a fuzzy logic based controller to perform the required robot assisted ankle rehabilitation treatment...
September 22, 2016: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/27657934/the-impact-of-assistive-technology-services-in-post-secondary-education-for-students-with-disabilities-intervention-outcomes-use-profiles-and-user-experiences
#19
Matthew P Malcolm, Marla C Roll
The outcomes of assistive technology (AT) support services for post-secondary education students with disabilities are under-reported, and little is known about use-profiles and user experiences when AT interventions are applied to this rapidly growing population. We examined AT service outcomes related to performance and satisfaction of common academic tasks (using the Canadian Occupational Performance Measure, COPM), as well as how students with disabilities use and experience AT and AT services (employing an AT-use survey)...
September 22, 2016: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/27588607/proposed-pedestrian-pathway-roughness-thresholds-to-ensure-safety-and-comfort-for-wheelchair-users
#20
Jonathan Duvall, Eric Sinagra, Rory Cooper, Jonathan Pearlman
In the United States, over three million people use a wheelchair for their primary means of mobility and they rely on functional and accessible pathways to participate in their communities. The Americans with Disabilities Act Accessibility Guidelines related to pathway roughness are currently ambiguous, subjective and therefore unable to be measured. Consequently, many public pathways are sufficiently rough to result in harmful vibrations and discomfort for wheelchair users. In previous research, subjective ratings and root-mean-square accelerations were reported from subjects traveling over surfaces with various roughnesses in their own wheelchairs...
September 2, 2016: Assistive Technology: the Official Journal of RESNA
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