Modeling brain responses in an arithmetic working memory task

Aini Ismafairus Abd Hamid, Ahmad Nazlim Yusoff, Siti Zamratol Mai Sarah Mukari, Mazlyfarina Mohamad, Hanani Abdul Manan, Khairiah Abdul Hamid

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Functional magnetic resonance imaging (fMRI) was used to investigate brain responses due to arithmetic working memory. Nine healthy young male subjects were given simple addition and subtraction instructions in noise and in quiet. The general linear model (GLM) and random field theory (RFT) were implemented in modelling the activation. The results showed that addition and subtraction evoked bilateral activation in Heschl's gyrus (HG), superior temporal gyrus (STG), inferior frontal gyrus (IFG), supramarginal gyrus (SG) and precentral gyrus (PCG). The HG, STG, SG and PCG activate higher number of voxels in noise as compared to in quiet for addition and subtraction except for IFG that showed otherwise. The percentage of signal change (PSC) in all areas is higher in quiet as compared to in noise. Surprisingly addition (not subtraction) exhibits stronger activation.

Original languageEnglish
Title of host publicationAIP Conference Proceedings
Pages520-523
Number of pages4
Volume1250
DOIs
Publication statusPublished - 2010
EventProgress of Physics Research in Malaysia, PERFIK2009 - Malacca
Duration: 7 Dec 20099 Dec 2009

Other

OtherProgress of Physics Research in Malaysia, PERFIK2009
CityMalacca
Period7/12/099/12/09

Fingerprint

subtraction
brain
activation
magnetic resonance
education

Keywords

  • addition
  • fMRI
  • noise
  • simple arithmetic
  • SPM
  • subtraction

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Hamid, A. I. A., Yusoff, A. N., Mukari, S. Z. M. S., Mohamad, M., Manan, H. A., & Hamid, K. A. (2010). Modeling brain responses in an arithmetic working memory task. In AIP Conference Proceedings (Vol. 1250, pp. 520-523) https://doi.org/10.1063/1.3469725

Modeling brain responses in an arithmetic working memory task. / Hamid, Aini Ismafairus Abd; Yusoff, Ahmad Nazlim; Mukari, Siti Zamratol Mai Sarah; Mohamad, Mazlyfarina; Manan, Hanani Abdul; Hamid, Khairiah Abdul.

AIP Conference Proceedings. Vol. 1250 2010. p. 520-523.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hamid, AIA, Yusoff, AN, Mukari, SZMS, Mohamad, M, Manan, HA & Hamid, KA 2010, Modeling brain responses in an arithmetic working memory task. in AIP Conference Proceedings. vol. 1250, pp. 520-523, Progress of Physics Research in Malaysia, PERFIK2009, Malacca, 7/12/09. https://doi.org/10.1063/1.3469725
Hamid AIA, Yusoff AN, Mukari SZMS, Mohamad M, Manan HA, Hamid KA. Modeling brain responses in an arithmetic working memory task. In AIP Conference Proceedings. Vol. 1250. 2010. p. 520-523 https://doi.org/10.1063/1.3469725
Hamid, Aini Ismafairus Abd ; Yusoff, Ahmad Nazlim ; Mukari, Siti Zamratol Mai Sarah ; Mohamad, Mazlyfarina ; Manan, Hanani Abdul ; Hamid, Khairiah Abdul. / Modeling brain responses in an arithmetic working memory task. AIP Conference Proceedings. Vol. 1250 2010. pp. 520-523
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