Working memory's workload capacity.
We examined the role of dual-task interference in working memory using a novel dual two-back task that requires a redundant-target response (i.e., a response that neither the auditory nor the visual stimulus occurred two back versus a response that one or both occurred two back) on every trial. Comp...
| Publicado en: | Memory & Cognition Vol. 43; no. 7; pp. 973 - 990 |
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| Autores principales: | , , , , , |
| Formato: | Artículo |
| Publicado: |
Springer Nature
Oct2015
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| Materias: | |
| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ssf&AN=109345285&site=ehost-live header: @attributes: shortDbName: ssf uiTerm: 109345285 longDbName: Social Sciences Full Text (H.W. Wilson) uiTag: AN controlInfo: bkinfo: jinfo: jid: 0090502X MEG jtl: Memory & Cognition issn: 0090502X maglogo: N pubinfo: dt: Oct2015 vid: 43 iid: 7 pid: 237 pub: Springer Nature artinfo: ui: 109345285 10.3758/s13421-015-0526-2 ppf: 973 ppct: 17 formats: fmt: @attributes: type: P size: 982KB tig: atl: Working memory's workload capacity. aug: au: Heathcote, Andrew Coleman, James Eidels, Ami Watson, Jason Houpt, Joseph Strayer, David affil: Schools of Medicine and Psychology, Universitys of Tasmania and Newcastle, Sandy Bay 7005 Australia Department of Psychology, University of Utah, Salt Lake City USA School of Psychology, Univeristy of Newcaste, Callaghan 2308 Australia Department of Psychology, Wright State University, Dayton USA su: Memory Task performance Auditory perception Thought & thinking Visual perception Acoustic stimulation sug: subj: Memory Task performance Auditory perception Thought & thinking Visual perception Acoustic stimulation keyword: Multitasking n-Back task Proactive interference Systems factorial technology Working memory Workload capacity Multitasking n-Back task Proactive interference Systems factorial technology Working memory Workload capacity ab: We examined the role of dual-task interference in working memory using a novel dual two-back task that requires a redundant-target response (i.e., a response that neither the auditory nor the visual stimulus occurred two back versus a response that one or both occurred two back) on every trial. Comparisons with performance on single two-back trials (i.e., with only auditory or only visual stimuli) showed that dual-task demands reduced both speed and accuracy. Our task design enabled a novel application of Townsend and Nozawa's (Journal of Mathematical Psychology 39: 321-359, 1995) workload capacity measure, which revealed that the decrement in dual two-back performance was mediated by the sharing of a limited amount of processing capacity. Relative to most other single and dual n-back tasks, performance measures for our task were more reliable, due to the use of a small stimulus set that induced a high and constant level of proactive interference. For a version of our dual two-back task that minimized response bias, accuracy was also more strongly correlated with complex span than has been found for most other single and dual n-back tasks. pubtype: Academic Journal doctype: Article src: R language: English refInfo: copyright: @attributes: flag: N holdings: @attributes: islocal: N |
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