2015 6th IEEE International Conference on Cognitive Infocommunications (CogInfoCom) 2015
DOI: 10.1109/coginfocom.2015.7390617
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Brain activity measured with fNIRS for the prediction of cognitive workload

Abstract: Functional near-infrared spectroscopy (fNIRS) is a versatile imagining modality whose popularity is increasing exponentially in the neuroimaging society. Our research attempts to quantify workload in a natural driving scenario with multiple parallel tasks using fNIRS. Nine young adults participated in this study where they drove in a driving simulator for a period of 100 minutes while we continuously recorded fNIRS data. We used an n-back task to induce different workload levels forcing the participants to rem… Show more

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Cited by 21 publications
(21 citation statements)
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“…Contrary to our hypothesis and despite previous studies demonstrating that hemodynamic responses can be used to reliably quantify cognitive state and load levels in the bilateral PFC (Basso Moro et al, 2013; Fishburn et al, 2014; Unni et al, 2015; Bonetti et al, 2019), the present study did not find significant differences among optodes when parsed into different regions. Although the lack of regional differences is important, it is worthwhile to note that fNIRS’ spatial resolution is limited by the optical source-detector distance, which is normally 2–3 cm, despite the technology having high temporal resolution (Tak et al, 2016).…”
Section: Discussioncontrasting
confidence: 99%
“…Contrary to our hypothesis and despite previous studies demonstrating that hemodynamic responses can be used to reliably quantify cognitive state and load levels in the bilateral PFC (Basso Moro et al, 2013; Fishburn et al, 2014; Unni et al, 2015; Bonetti et al, 2019), the present study did not find significant differences among optodes when parsed into different regions. Although the lack of regional differences is important, it is worthwhile to note that fNIRS’ spatial resolution is limited by the optical source-detector distance, which is normally 2–3 cm, despite the technology having high temporal resolution (Tak et al, 2016).…”
Section: Discussioncontrasting
confidence: 99%
“…A recent neuroergonomic study of Carrieri and colleagues [ 226 ] used FNIRS measures to objectively evaluate cortical hemodynamic changes occurring in VR environments. There is emerging evidence that FNIRS provides a suitable measure of mental workload [ 253 , 254 ]. The aim of the study of Carrieri et al was to investigate cortex activity in subjects while performing a demanding VR hand-controlled task.…”
Section: Discussionmentioning
confidence: 99%
“…The majority of studies included here were conducted in a simulator setting, with only nine occurring in an on-road environment ( Harada et al, 2007 ; Shimizu T. et al, 2011 ; Yoshino et al, 2013a , b ; Inoue et al, 2014 ; Orino et al, 2015 , 2017 ; Liu et al, 2017 ; Le et al, 2018 ). However, as described above, the quality of the simulators (e.g., fidelity of the visual environment, amount of visual field encompassed, realism of the simulator to a real automobile) varied between low fidelity desktop computer setups ( Shang et al, 2007 ; Li et al, 2009 , 2018 ; Tomioka et al, 2009 ; Liu, 2014 ; Khan and Hong, 2015 ; Pradhan et al, 2015 ; Unni et al, 2015 ; Ahn et al, 2016 ; Horrey et al, 2017 ; Nguyen et al, 2017 ; Xu G. et al, 2017 ; Xu L. et al, 2017 ; Hidalgo-Munoz et al, 2019 ; Khan et al, 2019 ; Lin et al, 2019 ; Tanveer et al, 2019 ) and more immersive simulated environments ( Nakano et al, 2013 ; Oka et al, 2015 ; FakhrHosseini et al, 2015 ; Foy et al, 2016 ; Foy and Chapman, 2018 ; Huve et al, 2018 , 2019 ; Sturman and Wiggins, 2019 ; Yamamoto et al, 2019 ) including large-scale simulators that comprise a real car mock-up along with a wide field of vision ( Tsunashima and Yanagisawa, 2009 ; Shimizu et al, 2009 ; Orino et al, 2015 ; Nosrati et al, 2016 ; Sibi et al, 2016 , 2017 ; Balters et al, 2017 ; Unni et al, 2017 ; Bruno et al, 2018 ; Chuang et al, 2018 ; Ihme et al, 2018 ; Zhu et al, 2019 ). To minimize motion artifacts, participants in eight studies were specifically instructed to avoid head (and limb) movements ( Li et al, 2009 ; Takahashi et al, 2010 ...…”
Section: Methodological Reviewmentioning
confidence: 99%