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https://hdl.handle.net/2440/50944
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Type: | Journal article |
Title: | Within-person changes in inspection time predict memory |
Author: | Gregory, T. Nettelbeck, T. Wilson, C. |
Citation: | Personality and Individual Differences, 2009; 46(7):741-743 |
Publisher: | Pergamon-Elsevier Science Ltd |
Issue Date: | 2009 |
ISSN: | 0191-8869 |
Statement of Responsibility: | Tess Gregory, Ted Nettelbeck, Carlene Wilson |
Abstract: | Past studies have demonstrated a link between inspection time (IT) and memory but most have been cross-sectional. This study examined the longitudinal relationship between IT and memory functioning over 3.5 years. Eighty-five elderly adults (70-85 years at baseline) completed IT and the Alzheimer's Disease Assessment Scale-Cognitive subscale (ADAS-Cog) on four occasions over 3.5 years. Participants were subdivided into three groups based on ADAS-Cog performance at wave 4 and IT trajectories over time compared. Groups were equivalent for several moderating variables, including age. Participants with minimal signs of incipient cognitive impairment showed a continuous, gradual increase in IT, whereas IT was stable for those with lower ADAS-Cog scores. Higher ADAS-Cog scores reflected poorer recall and recognition memory. This finding suggests that IT has potential as a biological marker for aging. © 2009 Elsevier Ltd. All rights reserved. |
Keywords: | Inspection time Speed of processing Biomarker Memory Cognitive impairment Aging |
Description: | Copyright © 2009 Elsevier Ltd All rights reserved. |
DOI: | 10.1016/j.paid.2009.01.027 |
Published version: | http://dx.doi.org/10.1016/j.paid.2009.01.027 |
Appears in Collections: | Aurora harvest Psychology publications |
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