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KMID : 1036820170220040730
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Communication Sciences & Disorders
2017 Volume.22 No. 4 p.730 ~ p.744
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Characteristics of Word Reading according to Word Condition in Normal Adults
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Yeon Eun-Ju
Cho Eun-Byeol
Lee Soo-Jung
Kim Sun-Woo
Lee Yoon-Kyoung
Yoon Ji-Hye
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Abstract
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Objective: This study intended to identify reading characteristics according to various word conditions (regular words, irregular words, and regular nonwords) in normal adults in their 20s to 80s, considering phonological and lexical routes of reading.
Methods: This study classified 120 normal adults into a younger group (20-39 years), middle-age group (40-59 years), and older group (60-89 years), and conducted a reading aloud task under various conditions.
Results: The performance of the older group decreased in irregular words and regular nonwords compared to the younger (p<.001) and middle age (p=.001) groups. For irregular nonwords, performance of the older group decreased compared to the younger group (p=.002).
Conclusion: The results show that lexical routes for reading irregular words with graphemes and phonemes not corresponding to each other are affected by aging. This signifies that the cognitive load for reading irregular nonwords grows with age; these nonwords should be read by borrowing phonological changes in words with similar phonological conditions through phonological and lexical routes. To sum up, declines in language ability and cognitive functioning and reduced attention during the normal aging process can affect the ability to use information through lexical routes, and reading that requires complex cognitive processing is more affected by aging.
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KEYWORD
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Aging, Word, Reading
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