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ERIC Number: EJ944799
Record Type: Journal
Publication Date: 2011-Oct
Pages: 12
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-1092-4388
Effects of Perceptual and Contextual Enrichment on Visual Confrontation Naming in Adult Aging
Rogalski, Yvonne; Peelle, Jonathan E.; Reilly, Jamie
Journal of Speech, Language, and Hearing Research, v54 n5 p1349-1360 Oct 2011
Purpose: The purpose of this study was to determine the effects of enriching line drawings with color/texture and environmental context as a facilitator of naming speed and accuracy in older adults. Method: Twenty young and 23 older adults named high-frequency picture stimuli from the Boston Naming Test (Kaplan, Goodglass, & Weintraub, 2001) under three conditions: (a) black-and-white items, (b) colorized-texturized items, and (c) scene-primed colored items (e.g., "hammock" preceded 1,000 ms by a backyard scene). Results: With respect to speeded naming latencies, mixed-model analyses of variance revealed that young adults did not benefit from colorization-texturization but did show scene-priming effects. In contrast, older adults failed to show facilitation effects from either colorized-texturized or scene-primed items. Moreover, older adults were consistently slower to initiate naming than were their younger counterparts across all conditions. Conclusions: Perceptual and contextual enrichment of sparse line drawings does not appear to facilitate visual confrontation naming in older adults, whereas younger adults do tend to show benefits of scene priming. We interpret these findings as generally supportive of a processing speed account of age-related object picture-naming difficulty.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A