Reading Disorder s In Aphasic Patients
Date Issued
1998-12-31
Date
1998-12-31
Author(s)
盧璐
DOI
872314B002060
Abstract
Reading competence is an important
prerequisite for many adult functional
activities. It is a learned skill that engages a
complex set of cognitive procedures. By
virtue of its complexity, it is vulnerable to
disruption with many different kinds of brain
damage, especially aphasia. This study
investigated the reading disabilities in
Chinese aphasic patients by giving them a
series of reading related tasks, including
discrimination between visually similar
words, matching between different scripts of
single words, homophone matching task,
single word naming task, single word and
sentence comprehension tasks.
The results showed that almost all
aphasic patients had some degree of reading
disabilities. In general, although anterior or
Broca’s aphasic patients often had difficulty
in naming single words (alexia), they often
preserved the ability to understand single
words or even simple sentences. While
posterior or Wernicke’s aphasic patients had
more variable ability in terms of their ability
in single word comprehension.
In the aspect of analysis of the cognitive
processes in the reading disability, it was
found that all aphasic patients in this study
could distinguish between different
characters with similar orthography, which
suggested that they retained normal ability in
orthographic visual analysis. Furthermore,
most aphasic patients, especially those of
anterior lesions, could match the simplified
script form of a single character with its
visually dissimilar, complex script form. In
contrast, none could perform the homophone
matching task. These findings might be able
to support the hypothesis that direct
grapheme-phonetic conversion is not an
important route in Chinese character or word
reading.
Subjects
Reading disorder
Alexia
Aphasia
Publisher
臺北市：國立臺灣大學醫學院復健科
Type
other
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