Brain Imaging and Behavior

, Volume 8, Issue 4, pp 475–479 | Cite as

CapMan: independent investigation of capacity and manipulation with a new working memory paradigm

  • Ekaterina Dobryakova
  • Adam Staffaroni
  • John DeLuca
  • James F. Sumowski
  • Nancy Chiaravalloti
  • Glenn R. Wylie
Brief Communication
First Online:

Abstract

In a new working memory paradigm, CapMan, we independently investigated brain activity associated with capacity and manipulation of information. The investigation of Capacity, resulted in activation of the fronto-parietal network of regions that overlapped with areas usually found to be active in working memory tasks. The investigation of Manipulation revealed a more dorsal network of areas that also overlapped with areas usually found to be active in working memory tasks, but that did not overlap with the areas associated with Capacity. The CapMan paradigm thus appears to be able to separate the processes associated with capacity and manipulation increases and promises to be a valuable addition to the tools available for the study of working memory.

Keywords

fMRI Fronto-parietal network Working memory Capacity Manipulation 
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Notes

Acknowledgment

This project was supported by grants from the Kessler Foundation Research Center and from the National Institutes of Health (1R42NS050007-02to Dr. Randall Barbour)

Supplementary material

11682_2013_9282_MOESM1_ESM.docx (12 kb)
Supplementary Table 1 (DOCX 11 kb)
11682_2013_9282_MOESM2_ESM.docx (15 kb)
Supplementary Table 2 (DOCX 14 kb)

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Ekaterina Dobryakova
    • 1
    • 2
  • Adam Staffaroni
    • 1
  • John DeLuca
    • 1
    • 2
    • 3
  • James F. Sumowski
    • 1
    • 2
  • Nancy Chiaravalloti
    • 1
    • 2
  • Glenn R. Wylie
    • 1
    • 2
    • 4
  1. 1.Neuropsychology & Neuroscience LaboratoryKessler Foundation Research CenterWest OrangeUSA
  2. 2.Department of Physical Medicine and RehabilitationRutgers University –New Jersey Medical SchoolNewarkUSA
  3. 3.Department of Neurology and NeurosciencesRutgers University –New Jersey Medical SchoolNewarkUSA
  4. 4.Department of Veteran’s AffairsWar Related Illness & Injury Study CenterEast OrangeUSA

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