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左侧（而非右侧）顶叶皮层的阳极高清经颅直流电刺激有助于心算。

Anodal High-definition Transcranial Direct Current Stimulation Over the Left (but not Right) Parietal Cortex Facilitates Mental Arithmetic.

作者信息

Hartmann Matthias, Dumureau Magali

机构信息

Faculty of Psychology, UniDistance Suisse, Schinerstrasse 18, Brig, 3900 Switzerland.

Department of Psychology, University of Bern, Bern, Switzerland.

出版信息

J Cogn Enhanc. 2025;9(1):51-66. doi: 10.1007/s41465-024-00314-0. Epub 2024 Dec 4.

DOI:10.1007/s41465-024-00314-0
PMID:40110477
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11914294/
Abstract

UNLABELLED

Non-invasive brain stimulation (NIBS) techniques such as transcranial direct current stimulation (tDCS) allow for investigating the functional involvement of specific brain areas in mental arithmetic. In this study, we employed for the first time high-definition (HD)-tDCS, which offers enhanced spatial precision, to explore the functional roles of the left and right intraparietal sulcus (IPS) in mental arithmetic. A total of 25 participants underwent anodal left IPS, anodal right IPS, and sham stimulation in separate sessions in counterbalanced order while solving single- and multi-step addition and subtraction problems. We found that stimulation of the left IPS, but not the right IPS or sham stimulation, improved arithmetic performance speed. These results provide further evidence for the functional involvement of the left IPS in a broad range of arithmetic tasks and highlight the potential of NIBS for cognitive enhancement.

SUPPLEMENTARY INFORMATION

The online version contains supplementary material available at 10.1007/s41465-024-00314-0.

摘要

未标注

经颅直流电刺激（tDCS）等非侵入性脑刺激（NIBS）技术能够用于研究特定脑区在心算中的功能作用。在本研究中，我们首次采用了具有更高空间精度的高清（HD）-tDCS，以探究左右顶内沟（IPS）在心算中的功能作用。共有25名参与者在解决单步和多步加减法问题时，以平衡顺序在不同时段分别接受左侧IPS阳极刺激、右侧IPS阳极刺激和假刺激。我们发现，刺激左侧IPS而非右侧IPS或假刺激能提高算术运算速度。这些结果为左侧IPS在广泛算术任务中的功能作用提供了进一步证据，并凸显了非侵入性脑刺激在认知增强方面的潜力。

补充信息

在线版本包含可在10.1007/s41465-024-00314-0获取的补充材料。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8fd/11914294/0bf2cb97f738/41465_2024_314_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8fd/11914294/ebd336682fb2/41465_2024_314_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8fd/11914294/2ce891b1fd30/41465_2024_314_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8fd/11914294/f438e23e69a5/41465_2024_314_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8fd/11914294/0bf2cb97f738/41465_2024_314_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8fd/11914294/ebd336682fb2/41465_2024_314_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8fd/11914294/2ce891b1fd30/41465_2024_314_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8fd/11914294/f438e23e69a5/41465_2024_314_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8fd/11914294/0bf2cb97f738/41465_2024_314_Fig4_HTML.jpg

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The brain lateralization and development of math functions: progress since Sperry, 1974.大脑的功能侧化与数学功能的发展：自1974年斯佩里以来的进展
Front Hum Neurosci. 2023 Oct 27;17:1288154. doi: 10.3389/fnhum.2023.1288154. eCollection 2023.
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Acta Psychol (Amst). 2022 Oct;230:103770. doi: 10.1016/j.actpsy.2022.103770. Epub 2022 Oct 22.
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