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Structured use of eyegaze-technology for beginning (early) users and people with ambiguous consciousness

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The emerging eyegaze-technology provides a way to assess users who in addition to movement disorders face an ambiguous state of vigilance or consciousness – summarized people with vague visual, cognitive and linguistic abilities. Due to their limited motor abilities and unclear cognitive and visual status a tailored or proper treatment may be difficult to achieve. Often eye movement seems to be the only possible way to gather detailed information during the diagnostic process as it is such a basal performance. Communication partners experience an extreme high responsibility in this process though often face a lack of knowledge and training concerning the technical aspects and the way of interacting with the device which results in a fear and resistance of using this technique. The outcome depends on this described restrictions and often it leads to the conclusion that the user is not able to use the device appropriately.
A market research led to fact, that the only existing tool for the above mentioned challenges is the so called Eyegaze Analyzing Tool (EAT). In case series the use of EAT was investigated. During a time frame of nine to twelve weeks, patients and their environment were monitored while introducing eyegaze technology. Based on the acquired data the EAT seems to be an objective tool to determine the competencies of beginning users and patients with ambiguous consciousness. Also it seems, that eyegaze is an opportunity for this group of AAC-users to initiate action and to influence their environment independently.


Sabrina Beer    

Stephanie Leisner    


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