Evidence map›Paper›PMID 24966825›Full record

ArticleFrontiers in human neuroscience2014

Frontal midline theta rhythm and gamma power changes during focused attention on mental calculation: an MEG beamformer analysis.

Ryouhei Ishii, Leonides Canuet, Tsutomu Ishihara, Yasunori Aoki, Shunichiro Ikeda, Masahiro Hata, Themistoklis Katsimichas, Atsuko Gunji, Hidetoshi Takahashi, Takayuki Nakahachi and 2 more

Open access · goldAbstract read
In one paragraph

Article in Frontiers in human neuroscience, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 63 papers.

0numbers the graph read from it
0cells of the map it votes in
63citing papers in PubMed
3.4field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

63 citing papers in PubMed, 133 citations in OpenAlex.

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  9. Expanding the spectrum of the "texting rhythm" in EEG.Epileptic disorders : international epilepsy journal with videotape · 2025
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3 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 4 institutions in 2 countries.

Ryouhei IshiiDepartment of Psychiatry, Osaka University Graduate School of Medicine Suita, Japan.
Leonides CanuetDepartment of Cognitive and Computational Neuroscience, Centre for Biomedical Technology, Complutense University of Madrid, UPM Madrid, Spain.
Tsutomu IshiharaDepartment of Psychiatry, Osaka University Graduate School of Medicine Suita, Japan.
Yasunori AokiDepartment of Psychiatry, Osaka University Graduate School of Medicine Suita, Japan.
Shunichiro IkedaDepartment of Psychiatry, Osaka University Graduate School of Medicine Suita, Japan ; Osaka Psychiatric Medical Center Hirakata, Japan.
Masahiro HataDepartment of Psychiatry, Osaka University Graduate School of Medicine Suita, Japan.
Themistoklis KatsimichasDepartment of Psychiatry, Osaka University Graduate School of Medicine Suita, Japan.
Atsuko GunjiFaculty of Education and Human Sciences, Course of School Education, Yokohama National University Yokohama, Japan.
Hidetoshi TakahashiDepartment of Child and Adolescent Mental Health, National Center for Neurology and Psychiatry, National Institute of Mental Health Kodaira, Japan.
Takayuki NakahachiDepartment of Child and Adolescent Mental Health, National Center for Neurology and Psychiatry, National Institute of Mental Health Kodaira, Japan.
Masao IwaseDepartment of Psychiatry, Osaka University Graduate School of Medicine Suita, Japan.
Masatoshi TakedaDepartment of Psychiatry, Osaka University Graduate School of Medicine Suita, Japan.
Osaka University · JPNational Institute of Mental Health · JPUniversidad Complutense de Madrid · ESYokohama National University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Frontal midline theta rhythm (Fmθ) appears widely distributed over medial prefrontal areas in EEG recordings, indicating focused attention. Although mental calculation is often used as an attention-demanding task, little has been reported on calculation-related activation in Fmθ experiments. In this study we used spatially filtered MEG and permutation analysis to precisely localize cortical generators of the magnetic counterpart of Fmθ, as well as other sources of oscillatory activity associated with mental calculation processing (i.e., arithmetic subtraction). Our results confirmed and extended earlier EEG/MEG studies indicating that Fmθ during mental calculation is generated in the dorsal anterior cingulate and adjacent medial prefrontal cortex. Mental subtraction was also associated with gamma event-related synchronization, as an index of activation, in right parietal regions subserving basic numerical processing and number-based spatial attention. Gamma event-related desynchronization appeared in the right lateral prefrontal cortex, likely representing a mechanism to interrupt neural activity that can interfere with the ongoing cognitive task.

Indexed as

arithmetic calculationbeamformerfocused attentionfrontal midline thetagamma bandmagnetoencephalography (MEG)spatial filteringsynthetic aperture magnetometry (SAM)

Identifiers

PMID24966825
PMCPMC4052629
OpenAlexW2006384697

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.