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相关论文: Pain Detection with fNIRS-Measured Brain Signals: …

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Currently there is no validated objective measure of pain. Recent neuroimaging studies have explored the feasibility of using functional near-infrared spectroscopy (fNIRS) to measure alterations in brain function in evoked and ongoing pain.…

机器学习 · 计算机科学 2018-08-22 Daniel Lopez-Martinez , Ke Peng , Sarah C. Steele , Arielle J. Lee , David Borsook , Rosalind Picard

Assessing pain in patients unable to speak (also called non-verbal patients) is extremely complicated and often is done by clinical judgement. However, this method is not reliable since patients vital signs can fluctuate significantly due…

机器学习 · 计算机科学 2020-12-29 Raul Fernandez Rojas , Julio Romero , Jehu Lopez-Aparicio , Keng-Liang Ou

Despite recent advances in brain research, understanding the various signals for pain and pain intensities in the brain cortex is still a complex task due to temporal and spatial variations of brain hemodynamics. In this paper we have…

神经元与认知 · 定量生物学 2015-07-28 Raul Fernandez Rojas , Xu Huang , Keng Liang Ou , Dat Tran , Sheikh Md. Rabiul Islam

Functional Near-Infrared Spectroscopy (fNIRS) is a non-invasive form of Brain-Computer Interface (BCI). It is used for the imaging of brain hemodynamics and has gained popularity due to the certain pros it poses over other similar…

机器学习 · 计算机科学 2021-01-19 Talha Siddique , Md Shaad Mahmud

Stress is known as one of the major factors threatening human health. A large number of studies have been performed in order to either assess or relieve stress by analyzing the brain and heart-related signals. In this study, signals…

信号处理 · 电气工程与系统科学 2020-02-18 Mahya Mirbagheri , Ata Jodeiri , Naser Hakimi , Vahid Zakeri , Seyed Kamaledin Setarehdan

Background: The role of neonatal pain on the developing nervous system is not completely understood, but evidence suggests that sensory pathways are influenced by an infants pain experience. Research has shown that an infants previous pain…

This study presents an integrated approach for advancing functional Near-Infrared Spectroscopy (fNIRS) neuroimaging through the synthesis of data and application of machine learning models. By addressing the scarcity of high-quality…

信号处理 · 电气工程与系统科学 2024-05-21 Eitan Waks

Functional near-infrared spectroscopy (fNIRS) is a non-invasive technique for monitoring brain activity. To better understand the brain, researchers often use deep learning to address the classification challenges of fNIRS data. Our study…

信号处理 · 电气工程与系统科学 2024-11-25 Zhihao Cao

People with Multiple Sclerosis (MS) complain of problems with hand dexterity and cognitive fatigue. However, in many cases, impairments are subtle and difficult to detect. Functional near-infrared spectroscopy (fNIRS) is a non-invasive…

机器学习 · 计算机科学 2025-09-29 Sadman Saumik Islam , Bruna Dalcin Baldasso , Davide Cattaneo , Xianta Jiang , Michelle Ploughman

Functional Near-Infrared Spectroscopy (fNIRS) is a non-invasive, real-time method for monitoring brain activity by measuring hemodynamic responses in the cerebral cortex. However, existing systems are expensive, bulky, and limited to…

信号处理 · 电气工程与系统科学 2025-05-28 Tony Kim , Haotian Liu , Chiung-Ting Huang , Ingrid Wu , Xilin Liu

Pain is a complex and subjective experience that poses a number of measurement challenges. While self-report by the patient is viewed as the gold standard of pain assessment, this approach fails when patients cannot verbally communicate…

计算机与社会 · 计算机科学 2017-09-06 Daniel Lopez-Martinez , Rosalind Picard

Neuroimaging data allows researchers to model the relationship between multivariate patterns of brain activity and outcomes related to mental states and behaviors. However, the existence of outlying participants can potentially undermine…

统计方法学 · 统计学 2026-03-17 Dongliang Zhang , Masoud Asgharian , Martin A. Lindquist

Functional near-infrared spectroscopy (fNIRS) is a non-invasive, low-cost method used to study the brain's blood flow pattern. Such patterns can enable us to classify performed by a subject. In recent research, most classification systems…

机器学习 · 计算机科学 2021-01-18 Sajila D. Wickramaratne , MD Shaad Mahmud

This study presents a systematic machine-learning approach for classifying acute pain from raw electrophysiological signals. We address binary and ternary classification tasks, leveraging Power-In-Band (PIB) and signal coherence as…

信号处理 · 电气工程与系统科学 2025-03-06 Sidharth Sidharth , Vishwas Sathish , Shweta Bansal , Samantha Sun , Timmy Pham , Kurt Weaver , Rajesh P. N. Rao , Jeffrey Herron

Functional near-infrared spectroscopy (fNIRS) is a non-invasive optical technique that measures brain activity by estimating blood oxygenation using near-infrared light. Traditionally, PsychoPy is used in many studies to send task-specific…

人机交互 · 计算机科学 2024-11-19 Shayla Sharmin , Md Fahim Abrar , Roghayeh Leila Barmaki

Functional near-infrared spectroscopy (fNIRS) is a valuable non-invasive tool for monitoring brain activity. The classification of fNIRS data in relation to conscious activity holds significance for advancing our understanding of the brain…

机器学习 · 计算机科学 2024-11-25 Zhihao Cao , Zizhou Luo

Pain is a multifaceted and widespread phenomenon with substantial clinical and societal burden, making reliable automated assessment a critical objective. This paper presents a lightweight transformer architecture that fuses multiple fNIRS…

Affective states regulate our day to day to function and has a tremendous effect on mental and physical health. Detection of affective states is of utmost importance for mental health monitoring, smart entertainment selection and dynamic…

人机交互 · 计算机科学 2024-02-29 Ritam Ghosh

Previous research on automatic pain estimation from facial expressions has focused primarily on "one-size-fits-all" metrics (such as PSPI). In this work, we focus on directly estimating each individual's self-reported visual-analog scale…

计算机视觉与模式识别 · 计算机科学 2017-08-17 Dianbo Liu , Fengjiao Peng , Andrew Shea , Ognjen , Rudovic , Rosalind Picard

Functional Near-Infrared Spectroscopy (fNIRS) has emerged as a valuable tool to investigate cognitive and emotional processes during learning. We focus specifically on game-integrated learning systems as the context for fNIRS-based brain…

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