Does Initial Performance Variability Predict Dual-Task Optimization with Practice in Younger and Older Adults?

Item request has been placed! ×
Item request cannot be made. ×
loading   Processing Request
  • Additional Information
    • Publication Year:
      2015
    • Subject Terms:
    • Abstract:
      Background/Study Context: The variability associated with reaction time (RT) is sometimes considered as a proxy for inefficient neural processing, particularly in old age and complex situations relying upon executive control functions. Here, it is examined whether the amount of variability exhibited early in practice can predict the amount of improvement with later practice in dual-task performance, and whether the predictive power of variability varies between younger and older adults. Methods: To investigate the relationship between variability and practice-related improvement, RT mean and variability data are used, obtained from an experiment in which younger and older adults performed two tasks in single-task and dual-task conditions across seven practice sessions. These RT and variability data were related to the single-task and dual-task practice benefits. These benefits were computed as follows: dual-task/single-task RTs at the beginning of practice minus dual-task/single-task RTs at the end of practice. Results: In both age groups, dual-task processing was speeded up with practice and variability associated with the means was reduced. Most important, independent of mean RTs, variability allowed predicting dual-task practice benefit in both age groups under specific conditions. Conclusion: These findings suggest that the relationship between performance variability and executive control functions under some specific conditions. Implications of these results for models of practiced dual tasks are discussed. [ABSTRACT FROM AUTHOR]
    • Abstract:
      Copyright of Experimental Aging Research is the property of Routledge and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
    • ISSN:
      0361073X
    • Accession Number:
      99963541
  • Citations
    • ABNT:
      STROBACH, T. et al. Does Initial Performance Variability Predict Dual-Task Optimization with Practice in Younger and Older Adults? Experimental Aging Research, [s. l.], v. 41, n. 1, p. 57, 2015. Disponível em: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=edb&AN=99963541. Acesso em: 4 jul. 2020.
    • AMA:
      Strobach T, Gerstorf D, Maquestiaux F, Schubert T. Does Initial Performance Variability Predict Dual-Task Optimization with Practice in Younger and Older Adults? Experimental Aging Research. 2015;41(1):57. http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=edb&AN=99963541. Accessed July 4, 2020.
    • AMA11:
      Strobach T, Gerstorf D, Maquestiaux F, Schubert T. Does Initial Performance Variability Predict Dual-Task Optimization with Practice in Younger and Older Adults? Experimental Aging Research. 2015;41(1):57. Accessed July 4, 2020. http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=edb&AN=99963541
    • APA:
      Strobach, T., Gerstorf, D., Maquestiaux, F., & Schubert, T. (2015). Does Initial Performance Variability Predict Dual-Task Optimization with Practice in Younger and Older Adults? Experimental Aging Research, 41(1), 57.
    • Chicago/Turabian: Author-Date:
      Strobach, Tilo, Denis Gerstorf, François Maquestiaux, and Torsten Schubert. 2015. “Does Initial Performance Variability Predict Dual-Task Optimization with Practice in Younger and Older Adults?” Experimental Aging Research 41 (1): 57. http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=edb&AN=99963541.
    • Harvard:
      Strobach, T. et al. (2015) ‘Does Initial Performance Variability Predict Dual-Task Optimization with Practice in Younger and Older Adults?’, Experimental Aging Research, 41(1), p. 57. Available at: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=edb&AN=99963541 (Accessed: 4 July 2020).
    • Harvard: Australian:
      Strobach, T, Gerstorf, D, Maquestiaux, F & Schubert, T 2015, ‘Does Initial Performance Variability Predict Dual-Task Optimization with Practice in Younger and Older Adults?’, Experimental Aging Research, vol. 41, no. 1, p. 57, viewed 4 July 2020, .
    • MLA:
      Strobach, Tilo, et al. “Does Initial Performance Variability Predict Dual-Task Optimization with Practice in Younger and Older Adults?” Experimental Aging Research, vol. 41, no. 1, Jan. 2015, p. 57. EBSCOhost, search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=edb&AN=99963541.
    • Chicago/Turabian: Humanities:
      Strobach, Tilo, Denis Gerstorf, François Maquestiaux, and Torsten Schubert. “Does Initial Performance Variability Predict Dual-Task Optimization with Practice in Younger and Older Adults?” Experimental Aging Research 41, no. 1 (January 2015): 57. http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=edb&AN=99963541.
    • Vancouver/ICMJE:
      Strobach T, Gerstorf D, Maquestiaux F, Schubert T. Does Initial Performance Variability Predict Dual-Task Optimization with Practice in Younger and Older Adults? Experimental Aging Research [Internet]. 2015 Jan [cited 2020 Jul 4];41(1):57. Available from: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=edb&AN=99963541