Age-Related Deficits in Component Processes of Working Memory
Working memory deficits in normal aging have been well documented, and studies suggest that high memory load plus the presence of distraction negatively impacts successful memory performance to a greater degree in older individuals. However, characterization of the component processes that are impai...
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| Veröffentlicht in: | Neuropsychology 2007-09, Vol.21 (5), p.532-539 |
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| creator | Gazzaley, Adam Sheridan, Margaret A Cooney, Jeffrey W D'Esposito, Mark |
| description | Working memory deficits in normal aging have been well documented, and studies suggest that high memory load plus the presence of distraction negatively impacts successful memory performance to a greater degree in older individuals. However, characterization of the component processes that are impaired by these task manipulations is not clear. In this behavioral study, younger and older subjects were tested with a delayed-recognition and recall task in which the encoding and delay period were both manipulated. During the encoding period, the subjects were presented with either a single letter or multiple letters at their predetermined forward letter span, and the delay period was either uninterrupted or interrupted with a visual distraction. There was an age-related impairment of working memory recognition accuracy only in the combination of high memory load and distraction. These results suggest that when working memory maintenance systems are taxed, faulty recognition processes may underlie cognitive aging deficits in healthy older individuals. |
| doi_str_mv | 10.1037/0894-4105.21.5.532 |
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However, characterization of the component processes that are impaired by these task manipulations is not clear. In this behavioral study, younger and older subjects were tested with a delayed-recognition and recall task in which the encoding and delay period were both manipulated. During the encoding period, the subjects were presented with either a single letter or multiple letters at their predetermined forward letter span, and the delay period was either uninterrupted or interrupted with a visual distraction. There was an age-related impairment of working memory recognition accuracy only in the combination of high memory load and distraction. 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However, characterization of the component processes that are impaired by these task manipulations is not clear. In this behavioral study, younger and older subjects were tested with a delayed-recognition and recall task in which the encoding and delay period were both manipulated. During the encoding period, the subjects were presented with either a single letter or multiple letters at their predetermined forward letter span, and the delay period was either uninterrupted or interrupted with a visual distraction. There was an age-related impairment of working memory recognition accuracy only in the combination of high memory load and distraction. These results suggest that when working memory maintenance systems are taxed, faulty recognition processes may underlie cognitive aging deficits in healthy older individuals.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Age Factors</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Aging</subject><subject>Aging - physiology</subject><subject>Analysis of Variance</subject><subject>Biological and medical sciences</subject><subject>Distraction</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Human</subject><subject>Human Information Storage</subject><subject>Humans</subject><subject>Learning. Memory</subject><subject>Male</subject><subject>Memory</subject><subject>Memory Disorders - physiopathology</subject><subject>Memory, Short-Term - physiology</subject><subject>Mental Recall - physiology</subject><subject>Middle Aged</subject><subject>Neuropsychological Tests</subject><subject>Psychology. Psychoanalysis. Psychiatry</subject><subject>Psychology. Psychophysiology</subject><subject>Recall (Learning)</subject><subject>Short Term Memory</subject><issn>0894-4105</issn><issn>1931-1559</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpt0Mtq3DAUgGFRUppp0hfIIpiQZlM81d3yIoswuRUSWkpLluJYcxSc2JYj2Yt5-3qYobmQlUB850j8hBwwOmdUFN-pKWUuGVVzzuZqrgT_QGasFCxnSpU7ZPYf7JLPKT1QOl1o9YnssqIw0lA2I6dn95j_xgYGXGbn6GtXDymru2wR2j502A3ZrxgcpoQpCz67C_Gx7u6zW2xDXO2Tjx6ahF-25x75e3nxZ3Gd3_y8-rE4u8lBcjHkUHFBpSqMNq6oHK2057wA4cWyMpWqBNfglfTagKJMgBeGSVN4hpw7UFzskZPN3j6GpxHTYNs6OWwa6DCMyWrDhaHSTPDoDXwIY-ymv1nNpNSm5HpCfINcDClF9LaPdQtxZRm167J2Hc6uw1nOrLJT2WnocLt5rFpcPo9sU07g6xZActD4CJ2r07MrqZBlsX7928ZBD7ZPKwdxqF2DyY0xTr1th-PLZ4_f16_ZPwB1mpE</recordid><startdate>20070901</startdate><enddate>20070901</enddate><creator>Gazzaley, Adam</creator><creator>Sheridan, Margaret A</creator><creator>Cooney, Jeffrey W</creator><creator>D'Esposito, Mark</creator><general>American Psychological Association</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7RZ</scope><scope>PSYQQ</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-9903-5400</orcidid><orcidid>https://orcid.org/0000-0002-8909-7501</orcidid><orcidid>https://orcid.org/0000-0002-3462-006X</orcidid></search><sort><creationdate>20070901</creationdate><title>Age-Related Deficits in Component Processes of Working Memory</title><author>Gazzaley, Adam ; Sheridan, Margaret A ; Cooney, Jeffrey W ; D'Esposito, Mark</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a423t-ab230457868c7bc0b6f227a3f3db8b5b326af54f68a5013af381487f1e22ca523</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Age Factors</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Aging</topic><topic>Aging - physiology</topic><topic>Analysis of Variance</topic><topic>Biological and medical sciences</topic><topic>Distraction</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. 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Psychophysiology</topic><topic>Recall (Learning)</topic><topic>Short Term Memory</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gazzaley, Adam</creatorcontrib><creatorcontrib>Sheridan, Margaret A</creatorcontrib><creatorcontrib>Cooney, Jeffrey W</creatorcontrib><creatorcontrib>D'Esposito, Mark</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>APA PsycArticles®</collection><collection>ProQuest One Psychology</collection><collection>MEDLINE - Academic</collection><jtitle>Neuropsychology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gazzaley, Adam</au><au>Sheridan, Margaret A</au><au>Cooney, Jeffrey W</au><au>D'Esposito, Mark</au><au>Becker, James T</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Age-Related Deficits in Component Processes of Working Memory</atitle><jtitle>Neuropsychology</jtitle><addtitle>Neuropsychology</addtitle><date>2007-09-01</date><risdate>2007</risdate><volume>21</volume><issue>5</issue><spage>532</spage><epage>539</epage><pages>532-539</pages><issn>0894-4105</issn><eissn>1931-1559</eissn><abstract>Working memory deficits in normal aging have been well documented, and studies suggest that high memory load plus the presence of distraction negatively impacts successful memory performance to a greater degree in older individuals. However, characterization of the component processes that are impaired by these task manipulations is not clear. In this behavioral study, younger and older subjects were tested with a delayed-recognition and recall task in which the encoding and delay period were both manipulated. During the encoding period, the subjects were presented with either a single letter or multiple letters at their predetermined forward letter span, and the delay period was either uninterrupted or interrupted with a visual distraction. There was an age-related impairment of working memory recognition accuracy only in the combination of high memory load and distraction. 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| subjects | Adolescent Adult Age Factors Aged Aged, 80 and over Aging Aging - physiology Analysis of Variance Biological and medical sciences Distraction Female Fundamental and applied biological sciences. Psychology Human Human Information Storage Humans Learning. Memory Male Memory Memory Disorders - physiopathology Memory, Short-Term - physiology Mental Recall - physiology Middle Aged Neuropsychological Tests Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Recall (Learning) Short Term Memory |
| title | Age-Related Deficits in Component Processes of Working Memory |
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