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原子磁力计大鼠视觉注意力的时程变化。

Time course of visual attention in rats by atomic magnetometer.

机构信息

Laboratory of Quantum Precision Measurement of Zhejiang Province, Center for Optics and Optoelectronics Research, Collaborative Innovation Center for Information Technology in Biological and Medical Physics, College of Science, Zhejiang University of Technology, Hangzhou, China.

The First Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China.

出版信息

PLoS One. 2024 Oct 29;19(10):e0312589. doi: 10.1371/journal.pone.0312589. eCollection 2024.

DOI:10.1371/journal.pone.0312589
PMID:39471149
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11521302/
Abstract

Atomic magnetometer (AM) is utilized to non-invasively detect event-related magnetic fields (ERMFs) evoked by visual stimuli in rats. The aim of this study was to investigate the relationship between N2-like amplitude and visual attention. To achieve this, we combined the AM with a visual stimulation system and employed the passive single-stimulus paradigm. By measuring the ERMFs at various inter-stimulus intervals (ISIs) with a sensitivity of 20 fT/[Formula: see text], we analyzed the effects of the ISI and the 'habituation' resulting from repeated stimuli on the N2-like amplitude. Our method serves as a valuable reference for studying the passive single-stimulus paradigm and the time course of mammalian attention.

摘要

原子磁力计 (AM) 被用于非侵入式检测大鼠视觉刺激诱发的事件相关磁场 (ERMFs)。本研究旨在探讨 N2 样振幅与视觉注意力之间的关系。为此，我们将 AM 与视觉刺激系统相结合，采用被动单刺激范式。通过以 20 fT/[Formula: see text] 的灵敏度在不同的刺激间间隔 (ISI) 下测量 ERMFs，我们分析了 ISI 和重复刺激引起的“习惯化”对 N2 样振幅的影响。我们的方法为研究被动单刺激范式和哺乳动物注意力的时间进程提供了有价值的参考。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c913/11521302/4a296ac0f702/pone.0312589.g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c913/11521302/136db4e075cf/pone.0312589.g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c913/11521302/f2254f9418a2/pone.0312589.g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c913/11521302/b96f3df0a6f0/pone.0312589.g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c913/11521302/17126ce433c5/pone.0312589.g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c913/11521302/4a296ac0f702/pone.0312589.g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c913/11521302/136db4e075cf/pone.0312589.g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c913/11521302/f2254f9418a2/pone.0312589.g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c913/11521302/b96f3df0a6f0/pone.0312589.g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c913/11521302/17126ce433c5/pone.0312589.g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c913/11521302/4a296ac0f702/pone.0312589.g005.jpg

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