Conference Paper

Computer Access Assessment for Persons with Physical Disabilities: A Guide to Assistive Technology Interventions.

DOI: 10.1007/3-540-45491-8_44 Conference: Computers Helping People with Special Needs, 8th International Conference, ICCHP 2002, Linz, Austria, July 15-20, Proceedings
Source: DBLP

ABSTRACT An innovative flowchart, called the computer access assessment, is proposed for rehabilitative professionals to perform a
comprehensive assessment when determining appropriate assistive technology devices for persons with physical disabilities.
According to clients special needs, we reconstruct a new computer access assessment with the following four components: (1)
seating and positioning needs, (2) keyboard adaptation needs, (3) potential anatomical control site, and (4) mouse adaptation
needs. Advices about special equipment needs will be provided when following this flowchart. Two cases have been studied to
illustrate how to utilize computer access assessment to assist therapists in selecting appropriating devices and intervention
strategies for a given client.

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    • "En segundo lugar, el usuario debe ser capaz de pulsar un botón una vez o dos muy seguidas para conseguir objetivos funcionales distintos mientras mantiene el dispositivo inmóvil. En este caso el camino de prueba incluye: ajustar los parámetros de velocidad y aceleración del ratón, inhabilitar la opción de selección mediante doble clic, usando un trackball, usando un joystick y usando la emulación mediante teclas de cursor [10] [11]. Si esto no fuera suficiente puede recurrirse al uso de un apuntador basado en los movimientos de la cabeza mediante una webcam (Ratón Facial); este sistema usado de forma conjunta con un teclado virtual, proporcionan un sistema totalmente alternativo al teclado y ratón habituales. "
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    ABSTRACT: Brecha Digital (BD) es un término que sirve para denominar la separación existente entre las personas que acceden e interactúan recíprocamente con la tecnología de aquellas que no lo hacen y, actualmente constituye, uno de los principales problemas de la "sofisticada" sociedad en la que estamos inmersos. Los gobiernos, conscientes de este problema, desde hace pocos años ponen en marcha iniciativas para reducir al mínimo la BD en sus áreas de la influencia. En este artículo presentamos una de estas iniciativas, la del gobierno catalán, y nuestro aporte en la misma. El proyecto incluye la necesidad del acceso a la tecnología para personas discapacitadas para minimizar la BD al máximo. Se destaca también la importancia de la educación y del entorno en el uso de la tecnología de información. Finalmente, aunque en el momento de escribir este artículo todavía no disponemos de suficiente feedback para la poder medir el éxito real de la incorporación de tecnología para la accesibilidad en estas condiciones especiales, exponemos nuestras expectativas al respecto.
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    ABSTRACT: There has been no study to substantiate the kinematical characteristics of cursor dragging movement. In this present study, we developed a computerized measuring program and used the quantitative experimental research method to explore the effect of moving direction on the kinematics of cursor dragging in 24 normal participants. The results of multiple one way repeated measures ANOVAs and post hoc LSD tests demonstrated that the dragging direction had effects on movement time and movement unit. Dragging leftward showed better efficiency than dragging upward and downward. These directional effects partially clarify how the dragging performances were influenced by the moving direction. Moreover, it can guide us to re-arrange the toolbars and icons under window interfaces, especially for individuals with physical disabilities, whose performances can be easily interrupted while controlling the cursor in specific directions.
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    ABSTRACT: This study investigated the effectiveness of computer input devices on clients with spinal cord injury. Single-subject multiple probe design was used to compare the accuracy and speed of inputs of baseline and intervention phases. Three persons with spinal cord injury participated this study. The participants’ levels of the lesion were cervical 3-4, cervical 4-5 and cervical 5-6. In the baseline phase, participants used the regular mouse to move the cursor and click the target. In the intervention phase, the researchers provided participants the computer input devices based on the results of individual assessment. Experimental results indicated that persons with spinal cord injury indeed improved the accuracy and the speed of computer inputs after the assistive equipment provided. Through appropriate input devices, clients with spinal cord injury are able to operate computer effectively.
    Computers Helping People with Special Needs, 9th International Conference, ICCHP 2004, Paris, France, July 7-9, 2004, Proceedings; 01/2004
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