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Visual Word Recognition Across the Adult Lifespan
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Abstract:
The current study examines visual word recognition in a large sample (N = 148) across the adult lifespan and across a large set of stimuli (N = 1187) in three different lexical processing tasks (pronunciation, lexical decision, and animacy judgments). Although the focus of the present study is on the influence of word frequency, a diverse set of other variables are examined as the system ages and acquires more experience with language. Computational models and conceptual theories of visual word recognition and aging make differing predictions for age-related changes in the system. However, these have been difficult to assess because prior studies have produced inconsistent results, possibly due to sample differences, analytic procedures, and/or task-specific processes. The current study confronts these potential differences by using three different tasks, treating age and word variables as continuous, and exploring the influence of individual differences such as vocabulary, vision, and working memory. The primary finding is remarkable stability in the influence of a diverse set of variables on visual word recognition across the adult age spectrum. This pattern is discussed in reference to previous inconsistent findings in the literature and implications for current models of visual word recognition.
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Article
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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4980241/
https://doi.org/10.1037/pag0000100
http://www.ncbi.nlm.nih.gov/pubmed/27336629
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An Examination of Age-Related Changes in the Control of Lexical and Sublexical Pathways in Mapping Spelling to Sound
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