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<p>Cognitive state decoding is key to brain-computer interface technology, serves as a promising tool for psychiatric diagnosis and rehabilitation, and offers a novel perspective for neuroscientific study. Datasets for decoding cognitive states using optical neuroimaging modalities remain scarce. To address this, we provide an fNIRS dataset acquired during a Stroop task, consisting of frontal hemoglobin responses from 55 young adults. Each participant completed three sessions of color-word Stroop task within approximately 2 weeks, to collect more than 30 trials per condition while avoiding mental fatigue caused by a single session. This dataset supports a range of applications, from studying conflict inhibition to building decoders for neurofeedback training and large-scale cross-subject fNIRS models, while also facilitating the development of signal processing algorithms for hemodynamic signals.</p>

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An fNIRS Dataset for Cognitive Decoding during a Multi-day Block-design Stroop Task

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年8月5日

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  • Lingwei Zeng,
  • Kewei Sun,
  • Yimeng Yuan,
  • Yuntao Gao,
  • Xiuchao Wang,
  • Zhihong Wen,
  • Di Wu

摘要

Cognitive state decoding is key to brain-computer interface technology, serves as a promising tool for psychiatric diagnosis and rehabilitation, and offers a novel perspective for neuroscientific study. Datasets for decoding cognitive states using optical neuroimaging modalities remain scarce. To address this, we provide an fNIRS dataset acquired during a Stroop task, consisting of frontal hemoglobin responses from 55 young adults. Each participant completed three sessions of color-word Stroop task within approximately 2 weeks, to collect more than 30 trials per condition while avoiding mental fatigue caused by a single session. This dataset supports a range of applications, from studying conflict inhibition to building decoders for neurofeedback training and large-scale cross-subject fNIRS models, while also facilitating the development of signal processing algorithms for hemodynamic signals.