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In human contact, emotion is very crucial. Attributes like words, voice intonation, facial expressions, and kinesics can all be used to portray one's feelings. However, brain-computer interface (BCI) devices have not yet reached the level…

Signal Processing · Electrical Eng. & Systems 2023-04-14 Shashank Joshi , Falak Joshi

Background and Aim: Accurate classification of Magnetic Resonance Images (MRI) is essential to accurately predict Mild Cognitive Impairment (MCI) to Alzheimer's Disease (AD) conversion. Meanwhile, deep learning has been successfully…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Kshitiz Shrestha , Omar Hisham Alsadoon , Abeer Alsadoon , Tarik A. Rashid , Rasha S. Ali , P. W. C. Prasad , Oday D. Jerew

The ability to perceive and recognize objects is fundamental for the interaction with the external environment. Studies that investigate them and their relationship with brain activity changes have been increasing due to the possible…

Signal Processing · Electrical Eng. & Systems 2020-08-31 Jenifer Kalafatovich , Minji Lee , Seong-Whan Lee

Automatic facial expression recognition is an important research area in the emotion recognition and computer vision. Applications can be found in several domains such as medical treatment, driver fatigue surveillance, sociable robotics,…

Computer Vision and Pattern Recognition · Computer Science 2020-02-03 Sevegni Odilon Clement Allognon , Alessandro L. Koerich , Alceu de S. Britto

Background: Studies have shown the potential adverse health effects, ranging from headaches to cardiovascular disease, associated with long-term negative emotions and chronic stress. Since many indicators of stress are imperceptible to…

Machine Learning · Computer Science 2023-08-29 Joe Li , Peter Washington

fMRI is a non-invasive technique for investigating brain activity, offering high-resolution insights into neural processes. Understanding and decoding cognitive brain states from fMRI depends on how functional interactions are represented.…

Neurons and Cognition · Quantitative Biology 2026-02-23 Daniil Vlasenko , Vadim Ushakov , Alexey Zaikin , Denis Zakharov

Understanding how spontaneous brain activity relates to stimulus-driven neural responses is a fundamental challenge in cognitive neuroscience. While task-based functional magnetic resonance imaging (fMRI) captures localized stimulus-evoked…

Neurons and Cognition · Quantitative Biology 2025-09-18 Chuyang Zhou , Ziao Ji , Daochang Liu , Dongang Wang , Chenyu Wang , Chang Xu

People represent their emotions in a myriad of ways. Among the most important ones is whole body expressions which have many applications in different fields such as human-computer interaction (HCI). One of the most important challenges in…

Computer Vision and Pattern Recognition · Computer Science 2020-10-29 Peyman Tahghighi , Abbas Koochari , Masoume Jalali

Understanding brain dynamics is important for neuroscience and mental health. Functional magnetic resonance imaging (fMRI) enables the measurement of neural activities through blood-oxygen-level-dependent (BOLD) signals, which represent…

Neurons and Cognition · Quantitative Biology 2025-06-16 Yifei Sun , Daniel Chahine , Qinghao Wen , Tianming Liu , Xiang Li , Yixuan Yuan , Fernando Calamante , Jinglei Lv

Electroencephalography (EEG) is a widely used technique for measuring brain activity. EEG-based signals can reveal a persons emotional state, as they directly reflect activity in different brain regions. Emotion-aware systems and EEG-based…

Machine Learning · Computer Science 2026-02-03 Ashna Purwar , Gaurav Simkar , Madhumita , Sachin Kadam

Accurate diagnosis of psychiatric disorders plays a critical role in improving the quality of life for patients and potentially supports the development of new treatments. Many studies have been conducted on machine learning techniques that…

Machine Learning · Statistics 2019-04-15 Takashi Matsubara , Tetsuo Tashiro , Kuniaki Uehara

The project leverages advanced machine and deep learning techniques to address the challenge of emotion recognition by focusing on non-facial cues, specifically hands, body gestures, and gestures. Traditional emotion recognition systems…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Haoyang Liu

Brain imaging of mental health, neurodevelopmental and learning disorders has coupled with machine learning to identify patients based only on their brain activation, and ultimately identify features that generalize from smaller samples of…

Image and Video Processing · Electrical Eng. & Systems 2020-07-21 Laura Tomaz Da Silva , Nathalia Bianchini Esper , Duncan D. Ruiz , Felipe Meneguzzi , Augusto Buchweitz

A great improvement to the insight on brain function that we can get from fMRI data can come from effective connectivity analysis, in which the flow of information between even remote brain regions is inferred by the parameters of a…

Neurons and Cognition · Quantitative Biology 2012-08-21 G. Wu , W. Liao , S. Stramaglia , J. Ding , H. Chen , D. Marinazzo

Electroencephalography (EEG)-based emotion recognition plays a critical role in affective computing and emerging decision-support systems, yet remains challenging due to high-dimensional, noisy, and subject-dependent signals. This study…

Machine Learning · Computer Science 2026-02-09 S M Rakib UI Karim , Wenyi Lu , Diponkor Bala , Rownak Ara Rasul , Sean Goggins

Human brains exhibit highly organized multiscale neurophysiological dynamics. Understanding those dynamic changes and the neuronal networks involved is critical for understanding how the brain functions in health and disease. Functional…

Neurons and Cognition · Quantitative Biology 2024-09-09 Manuel Morante , Kristian Frølich , Naveed ur Rehman

Major depressive disorder is a serious and heterogeneous psychiatric disorder that needs accurate diagnosis. Resting-state functional MRI (rsfMRI), which captures multiple perspectives on brain structure, function, and connectivity, is…

Machine Learning · Computer Science 2023-08-21 Yunsong Luo , Wenyu Chen , Ling Zhan , Jiang Qiu , Tao Jia

In order to develop more precise and functional affective applications, it is necessary to achieve a balance between the psychology and the engineering applied to emotions. Signals from the central and peripheral nervous systems have been…

Human-Computer Interaction · Computer Science 2019-05-02 Jennifer Sorinas , Jose Manuel Ferrández , Eduardo Fernandez

Decoding visual experience from brain activity has advanced substantially, but cur- rent brain-to-text systems largely recover semantic content while discarding affect. Additionally, language models can generate emotional text when prompted…

Machine Learning · Computer Science 2026-05-19 Bilal A. Mohammed , Lin Gu , Ruogo Fang

In this work, we explore the decoding of mental imagery from subjects using their fMRI measurements. In order to achieve this decoding, we first created a mapping between a subject's fMRI signals elicited by the videos the subjects watched.…

Image and Video Processing · Electrical Eng. & Systems 2024-10-02 Arman Afrasiyabi , Erica Busch , Rahul Singh , Dhananjay Bhaskar , Laurent Caplette , Nicholas Turk-Browne , Smita Krishnaswamy
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