Reflections
·
Sensory Function As Related To
Assistive Technology Use
Sensory functions play an essential role in the design and selection of
assistive technology systems. One view of the role of the sensory system is to
provide information regarding “Where the body ends and where the world begins.”
As the major interface for many assistive devices, the sensory system plays a
critical role in determining the effectiveness of assistive technology
interventions.
·
Perceptual Function As Related
To Assistive Technology Use
Perceptual adds meaning to sensory data. Assistive technology can affect
perceptual experience in many ways, some positive and some negative. Because
the use of technologies is often a new experience, a novice user who a
difficulty is likely to have significantly different perceptions of events and
device interactions than do either more experienced users or nondisabled
assistive technology practitioners.
·
Cognitive Function and
Development As Related To Assistive Technology Use
Cognitive performance plays an important role in the use of assistive
technologies. There are several problems associated with adequately assessing
the cognitive abilities necessary for the control of assistive technology
systems. The most important of these is that the assistive technology often
provides a function for which the person has no experience base.
·
Psychosocial Function As
Related To Assistive Technology Use
Psychological factors have a significant influence on assistive
technology usage. Psychological function is composed of both intrinsic and
extrinsic factors. The intrinsic psychological characteristics of an individual
are hard to separate from the influences of the person’s social environment.
·
Motor Control As Related To
Assistive Technology Use
Many aspects of motor control are important in the use of assistive
technologies. I order to perform a control task, the human operator must be
able to locate a target, plan, a movement to that target, and produce a desired
action once the target is reached. This process involves both sensory and motor
components. Motor control refers to all the central processing functions that
led to planned, coordinated motor outputs.
·
Effector Function As Related
To Assistive Technology Use
The human operator controls the assistive technology through various
effectors and they enable manipulation of the environment in a variety of ways.
Several factors are important to keep in mind when considering effectors use
for the purpose of controlling assistive technologies.
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