Reading aids for people with visual impairment - - Optical aids (handheld magnifiers)
- Nonoptical aids (enlarged print, lamps)
- Electronic aids (projectors)
Public sources that fund assistive technology - 1986 amendments to the Rehabilitation Act of 1973
provide federal money to each state
Goals of patient with neurological/muscular/joint condition contributing to postural deformity - - To
impede development of postural deformities
- Impart forces that correct progression
- Accommodate fixed orthopedic deformities
- PELVIS is key to postural alignment
6 major psychological factors of motivation - - elicitors of behavior
- symbols
- beliefs and perceptions
- cultural norms and expectations
- intrinsic motivation
- history of experience
Movement characteristics - Assistive technology can help provide stability, enhance sensory feedback,
or provide modifications in support of an effector (muscle)
Seating components for upper and lower extremities - Upper extremities: arm trough, arm tray
Rehabilitation Act of 1973 - Authorizes state funding in imparting rehab services to people with
disabilities in need of rehabilitation for EMPLOYMENT PURPOSES
,=> Reasonable accommodations
Amendments made in 1998 involve access to electronic office equipment by disabled users working for
Federal Government
Alternatives in visual displays for people with low vision - Affected by:
- Size of text
- Spacing of text
- Contrast
Ideal computers:
- Software based
- Ease of use
- Smooth and fast display
- cost effective
Characterization of effector movements - RESOLUTION: ability to control fine motor movements
RANGE: greatest extent of of movement
STRENGTH: duh...
ENDURANCE: ability to sustain a force
VERSATILITY: effector's ability to handle multiple tasks
*fingers have LOW range and strength but HIGH versatility
Assistive technology in relation to the HAAT model - Human
, Activity
Assistive
Technology
Technology helps the individual improve performance despite a disability
3 major areas of psycho-social function - SELF DEFINITION: the private view that a person has of
themselves (goals, aspirations, well-being)
SELF PROTECTION: the way a person shields themselves from internal and external psychological forces
MOTIVATION: determines how much the technology is able to help the individual
Graphical user interface - Describes the tools that are characterized by 3 features: mouse pointer,
graphical menu bar, window providing a menu of choices
General input emulating interface - Adaptations applied to a computer that allow emulation of the
mouse, keyboard, or both
Candidate control interface - Tested on a comparative basis, computer-aided and non-computer aided
interfaces. Comparative testing is based off the speed or rate response and the correctness of response.
Factors to be considered in selection of a wheelchair - "severely mobility-impaired" users are unable to
propel a wheelchair independently. Dependent mobility or powered mobility base is the only option for
those users.
Oculomotor system acts as an effector - Can be described as visual approach, visual rasp, visual
manipulation, and visual release
Disabilities with detrimental affects on speech and language skills - DYSARTHRIA: from peripheral nerve
damage
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