A studyforrest extension, MEG recordings while watching the audio-visual movie "Forrest Gump".

IF 2.8 4区医学 Q2 TOXICOLOGY Toxicology Mechanisms and Methods Pub Date : 2022-05-13 DOI:10.1038/s41597-022-01299-1

Xingyu Liu, Yuxuan Dai, Hailun Xie, Zonglei Zhen

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Abstract

Naturalistic stimuli, such as movies, are being increasingly used to map brain function because of their high ecological validity. The pioneering studyforrest and other naturalistic neuroimaging projects have provided free access to multiple movie-watching functional magnetic resonance imaging (fMRI) datasets to prompt the community for naturalistic experimental paradigms. However, sluggish blood-oxygenation-level-dependent fMRI signals are incapable of resolving neuronal activity with the temporal resolution at which it unfolds. Instead, magnetoencephalography (MEG) measures changes in the magnetic field produced by neuronal activity and is able to capture rich dynamics of the brain at the millisecond level while watching naturalistic movies. Herein, we present the first public prolonged MEG dataset collected from 11 participants while watching the 2 h long audio-visual movie "Forrest Gump". Minimally preprocessed data was also provided to facilitate the use of the dataset. As a studyforrest extension, we envision that this dataset, together with fMRI data from the studyforrest project, will serve as a foundation for exploring the neural dynamics of various cognitive functions in real-world contexts.

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在观看视听电影 "阿甘正传 "时进行的脑电图记录。

由于电影等自然刺激具有较高的生态有效性，因此越来越多地用于绘制大脑功能图。开创性的 "studyforrest "和其他自然主义神经成像项目免费提供了多个观影功能磁共振成像（fMRI）数据集，以促进自然主义实验范例的社区发展。然而，依赖于血氧水平的迟缓 fMRI 信号无法以时间分辨率解析神经元活动。取而代之的是脑磁图（MEG），它能测量神经元活动产生的磁场变化，并能在观看自然电影时捕捉到毫秒级别的大脑丰富动态。在此，我们展示了首个公开的长期 MEG 数据集，该数据集是从 11 名参与者观看长达 2 小时的视听电影《阿甘正传》时收集的。为了方便使用该数据集，我们还提供了最小预处理数据。作为 "阿甘正传 "项目的延伸，我们设想该数据集与 "阿甘正传 "项目的 fMRI 数据一起，将成为探索真实世界环境中各种认知功能的神经动态的基础。

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来源期刊

Toxicology Mechanisms and Methods TOXICOLOGY-

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3.10%

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期刊介绍： Toxicology Mechanisms and Methods is a peer-reviewed journal whose aim is twofold. Firstly, the journal contains original research on subjects dealing with the mechanisms by which foreign chemicals cause toxic tissue injury. Chemical substances of interest include industrial compounds, environmental pollutants, hazardous wastes, drugs, pesticides, and chemical warfare agents. The scope of the journal spans from molecular and cellular mechanisms of action to the consideration of mechanistic evidence in establishing regulatory policy. Secondly, the journal addresses aspects of the development, validation, and application of new and existing laboratory methods, techniques, and equipment. A variety of research methods are discussed, including: In vivo studies with standard and alternative species In vitro studies and alternative methodologies Molecular, biochemical, and cellular techniques Pharmacokinetics and pharmacodynamics Mathematical modeling and computer programs Forensic analyses Risk assessment Data collection and analysis.