Aberrant Spatiotemporal Activation Profiles Associated With Math Difficulties in Children

A Magnetic Source Imaging Study

Panagiotis G. Simos, Kassiani Kanatsouli, Jack M. Fletcher, Shirin Sarkari, Jennifer Juranek, Paul Cirino, Antony Passaro, Andrew Papanicolaou

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The study investigates the relative degree and timing of cortical activation in parietal, temporal, and frontal regions during simple arithmetic tasks in children who experience math difficulties. Real-time brain activity was measured with magnetoencephalography during simple addition and numerosity judgments in students with math difficulties and average or above average reading skills (MD group, N = 14), students with below average scores on both math and basic reading tests (MD/RD group, N = 16) and students with above average scores on standardized math tests (control group, N = 25). Children with MD showed increased degree of neurophysiological activity in inferior and superior parietal regions in the right hemisphere compared to both controls and MD/RD students. Left hemisphere inferior parietal regions did not show the expected task-related changes and showed activity at a significant temporal delay. MD students also showed increased early engagement of prefrontal cortices. Taken together, these findings may indicate increased reliance on a network of right hemisphere parietal (and possibly frontal areas as well) for simple math calculations in students who experience math difficulties but perform within normal range in reading.

Original languageEnglish (US)
Pages (from-to)571-584
Number of pages14
JournalNeuropsychology
Volume22
Issue number5
DOIs
StatePublished - Sep 1 2008

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Students
Reading
Parietal Lobe
Magnetoencephalography
Temporal Lobe
Prefrontal Cortex
Reference Values
Control Groups
Brain

All Science Journal Classification (ASJC) codes

  • Neuropsychology and Physiological Psychology

Cite this

Simos, P. G., Kanatsouli, K., Fletcher, J. M., Sarkari, S., Juranek, J., Cirino, P., ... Papanicolaou, A. (2008). Aberrant Spatiotemporal Activation Profiles Associated With Math Difficulties in Children: A Magnetic Source Imaging Study. Neuropsychology, 22(5), 571-584. https://doi.org/10.1037/0894-4105.22.5.571

Aberrant Spatiotemporal Activation Profiles Associated With Math Difficulties in Children : A Magnetic Source Imaging Study. / Simos, Panagiotis G.; Kanatsouli, Kassiani; Fletcher, Jack M.; Sarkari, Shirin; Juranek, Jennifer; Cirino, Paul; Passaro, Antony; Papanicolaou, Andrew.

In: Neuropsychology, Vol. 22, No. 5, 01.09.2008, p. 571-584.

Research output: Contribution to journalArticle

Simos, PG, Kanatsouli, K, Fletcher, JM, Sarkari, S, Juranek, J, Cirino, P, Passaro, A & Papanicolaou, A 2008, 'Aberrant Spatiotemporal Activation Profiles Associated With Math Difficulties in Children: A Magnetic Source Imaging Study', Neuropsychology, vol. 22, no. 5, pp. 571-584. https://doi.org/10.1037/0894-4105.22.5.571
Simos, Panagiotis G. ; Kanatsouli, Kassiani ; Fletcher, Jack M. ; Sarkari, Shirin ; Juranek, Jennifer ; Cirino, Paul ; Passaro, Antony ; Papanicolaou, Andrew. / Aberrant Spatiotemporal Activation Profiles Associated With Math Difficulties in Children : A Magnetic Source Imaging Study. In: Neuropsychology. 2008 ; Vol. 22, No. 5. pp. 571-584.
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