Lateralized Readiness Potentials Reveal Motor Slowing in the Aging Brain
Older adults consistently show slower reaction times (RTs) to the onset of motion. Both cognitive slowing and motor slowing have been suggested as causes of this effect. The lateralized readiness potential (LRP) of the electroencephalogram can be used to separate perceptual and decision processes fr...
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| Veröffentlicht in: | The journals of gerontology. Series B, Psychological sciences and social sciences Psychological sciences and social sciences, 2007-03, Vol.62 (2), p.P78-P84 |
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| container_end_page | P84 |
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| container_title | The journals of gerontology. Series B, Psychological sciences and social sciences |
| container_volume | 62 |
| creator | Roggeveen, Alexa B. Prime, David J. Ward, Lawrence M. |
| description | Older adults consistently show slower reaction times (RTs) to the onset of motion. Both cognitive slowing and motor slowing have been suggested as causes of this effect. The lateralized readiness potential (LRP) of the electroencephalogram can be used to separate perceptual and decision processes from motor programming and execution as causes of RT differences. We used the LRP to discern the origin of slowing in RT to motion onset that occurs in elderly individuals. After the onset of motion in a visual display, we asked participants to identify the direction of that motion (up or down) by pressing a button. Older participants showed significantly slower RTs than did younger participants. The LRP showed that the bulk of slowed response arose from slowed motor processes, rather than perceptual processing. We discuss the differences found in amplitude and onset latency of the LRP in the context of theories of motion processing and inhibition in the aging brain. |
| doi_str_mv | 10.1093/geronb/62.2.P78 |
| format | Article |
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Both cognitive slowing and motor slowing have been suggested as causes of this effect. The lateralized readiness potential (LRP) of the electroencephalogram can be used to separate perceptual and decision processes from motor programming and execution as causes of RT differences. We used the LRP to discern the origin of slowing in RT to motion onset that occurs in elderly individuals. After the onset of motion in a visual display, we asked participants to identify the direction of that motion (up or down) by pressing a button. Older participants showed significantly slower RTs than did younger participants. The LRP showed that the bulk of slowed response arose from slowed motor processes, rather than perceptual processing. 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Series B, Psychological sciences and social sciences, 2007-03, Vol.62 (2), p.P78-P84</ispartof><rights>2007 INIST-CNRS</rights><rights>Copyright Gerontological Society of America, Incorporated Mar 2007</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c436t-e4a066145e645d161719716bce265a02d6f72f79f94a64f52c80075aa8fda2113</citedby><cites>FETCH-LOGICAL-c436t-e4a066145e645d161719716bce265a02d6f72f79f94a64f52c80075aa8fda2113</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902,30976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18657021$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17379675$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Roggeveen, Alexa B.</creatorcontrib><creatorcontrib>Prime, David J.</creatorcontrib><creatorcontrib>Ward, Lawrence M.</creatorcontrib><title>Lateralized Readiness Potentials Reveal Motor Slowing in the Aging Brain</title><title>The journals of gerontology. Series B, Psychological sciences and social sciences</title><addtitle>J Gerontol B Psychol Sci Soc Sci</addtitle><description>Older adults consistently show slower reaction times (RTs) to the onset of motion. Both cognitive slowing and motor slowing have been suggested as causes of this effect. The lateralized readiness potential (LRP) of the electroencephalogram can be used to separate perceptual and decision processes from motor programming and execution as causes of RT differences. We used the LRP to discern the origin of slowing in RT to motion onset that occurs in elderly individuals. After the onset of motion in a visual display, we asked participants to identify the direction of that motion (up or down) by pressing a button. Older participants showed significantly slower RTs than did younger participants. The LRP showed that the bulk of slowed response arose from slowed motor processes, rather than perceptual processing. We discuss the differences found in amplitude and onset latency of the LRP in the context of theories of motion processing and inhibition in the aging brain.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Adult. Elderly</subject><subject>Age differences</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Aging</subject><subject>Aging - physiology</subject><subject>Aging - psychology</subject><subject>Biological and medical sciences</subject><subject>Brain</subject><subject>Brain - physiology</subject><subject>Contingent Negative Variation - physiology</subject><subject>Developmental psychology</subject><subject>Electroencephalography</subject><subject>Female</subject><subject>Functional Laterality - physiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gerontology</subject><subject>Humans</subject><subject>Male</subject><subject>Motor ability</subject><subject>Psychology. 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Elderly</topic><topic>Age differences</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Aging</topic><topic>Aging - physiology</topic><topic>Aging - psychology</topic><topic>Biological and medical sciences</topic><topic>Brain</topic><topic>Brain - physiology</topic><topic>Contingent Negative Variation - physiology</topic><topic>Developmental psychology</topic><topic>Electroencephalography</topic><topic>Female</topic><topic>Functional Laterality - physiology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gerontology</topic><topic>Humans</topic><topic>Male</topic><topic>Motor ability</topic><topic>Psychology. Psychoanalysis. Psychiatry</topic><topic>Psychology. Psychophysiology</topic><topic>Psychomotor Performance - physiology</topic><topic>Reaction Time - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Roggeveen, Alexa B.</creatorcontrib><creatorcontrib>Prime, David J.</creatorcontrib><creatorcontrib>Ward, Lawrence M.</creatorcontrib><collection>Istex</collection><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>Applied Social Sciences Index & Abstracts (ASSIA)</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Premium</collection><collection>MEDLINE - Academic</collection><jtitle>The journals of gerontology. 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The lateralized readiness potential (LRP) of the electroencephalogram can be used to separate perceptual and decision processes from motor programming and execution as causes of RT differences. We used the LRP to discern the origin of slowing in RT to motion onset that occurs in elderly individuals. After the onset of motion in a visual display, we asked participants to identify the direction of that motion (up or down) by pressing a button. Older participants showed significantly slower RTs than did younger participants. The LRP showed that the bulk of slowed response arose from slowed motor processes, rather than perceptual processing. We discuss the differences found in amplitude and onset latency of the LRP in the context of theories of motion processing and inhibition in the aging brain.</abstract><cop>Washington, DC</cop><pub>Oxford University Press</pub><pmid>17379675</pmid><doi>10.1093/geronb/62.2.P78</doi></addata></record> |
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| source | Applied Social Sciences Index & Abstracts (ASSIA); Oxford University Press Journals All Titles (1996-Current); MEDLINE; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Adolescent Adult Adult. Elderly Age differences Aged Aged, 80 and over Aging Aging - physiology Aging - psychology Biological and medical sciences Brain Brain - physiology Contingent Negative Variation - physiology Developmental psychology Electroencephalography Female Functional Laterality - physiology Fundamental and applied biological sciences. Psychology Gerontology Humans Male Motor ability Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Psychomotor Performance - physiology Reaction Time - physiology |
| title | Lateralized Readiness Potentials Reveal Motor Slowing in the Aging Brain |
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