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Scanning mechanisms in people with homonymous hemianopia whilst reading from left to right: a systematic review

Adler, Josefin (2022) Scanning mechanisms in people with homonymous hemianopia whilst reading from left to right: a systematic review. Master thesis, Psychology.

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Abstract

Providing a systematic overview of scanning mechanisms uniquely employed by people with left and right homonymous hemianopia, whilst reading from left to right. A qualitative synthesis of the literature was undertaken by two independent researchers utilising electronic databases and reference lists of relevant articles. Articles using eye-tracking in adult homonymous hemianopia patients and control groups, whilst reading, were included. Risk of bias and quality assessments were performed. Ten studies were included. Overall, people with RHH used more fixations of longer duration than those with normal vision. They refixated more often and made more saccades in either direction. Progressive saccades were smaller than those of controls. This pattern was less pronounced in people with LHH, who only differed from controls regarding the increase of regressive saccades, refixations, and slightly increased reading time. In general, the reading pattern of people with RHH proved to be ineffective and more time consuming than that of controls. Scanning mechanisms of people with RHH whilst reading were found to be ineffective, maladaptive, and differ significantly from people with normal vision. While people with LHH were significantly less impaired, they still employed ineffective reading strategies compared to people with normal vision. Due to the severe nature of the reading impairments, the inclusion of reading in the rehabilitation of people with HH is suggested to be important.

Item Type: Thesis (Master)
Supervisor name: Postuma, E.M.J.L. and Heutink, J.H.C.
Degree programme: Psychology
Differentiation route: Clinical Neuropsychology (CN) [Master Psychology]
Date Deposited: 31 Jan 2022 08:27
Last Modified: 31 Jan 2022 08:27
URI: http://gmwpublic.studenttheses.ub.rug.nl/id/eprint/96

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