Explanipedia

Bodily maps of subject-specific feelings and academic emotions among high school students Open

Shuneng Zhong, Xin Tang, Xiaojun Cheng, Yafeng Pan · 2025

Background Learning is an embodied process in which emotion and cognition converge through the body’s expressive patterns. However, the bodily manifestation of learning-related emotions, potential gender differences in these patterns, and …

Mapping human cerebral blood flow with high-density, multi-channel speckle contrast optical spectroscopy Open

Byungchan Kim, Alexander Howard, Tom Y. Cheng, E. Hazen, Laura Carlton , et al. · 2025

The influence of in-car air quality on drivers’ brain states with hybrid fNIRS and EEG Open

Chao Wang, Yuanyuan Gao, Xiaojun Cheng, Xiaosu Hu, Erin Solovey , et al. · 2025

Mapping of blood flow and slow speckle tissue dynamics using laser speckle contrast imaging Open

Bingxue Liu, Rockwell P. Tang, Emily Zhao, Zahid Yaqoob, Matthew G Simkulet , et al. · 2025

Laser speckle contrast imaging (LSCI) is a wide-field optical technique commonly used to monitor cerebral blood flow (CBF). Recently, we have discovered that besides the fast-decorrelating signals from blood flow, LSCI can also detect slow…

Validation of the Linearity in Image Reconstruction Methods for Speckle Contrast Optical Tomography Open

A. S. Howard, Byungchan Kim, Laura Carlton, Meryem A. Yücel, Bingxue Liu , et al. · 2025

Speckle contrast optical spectroscopy (SCOS) is an optical technique capable of measuring human cerebral blood flow and brain function non-invasively. Its tomographic extension, speckle contrast optical tomography (SCOT), can provide blood…

A MATLAB-based tool for converting fNIRS time-series data to Homer3-compatible formats Open

Chao Wang, Xiaojun Cheng, Shichao Liu · 2025

Functional Near-Infrared Spectroscopy (fNIRS) is increasingly used in cognitive neuroscience and clinical research, yet preprocessing raw time-series data remains challenging. We introduce a lightweight MATLAB tool to automate the conversi…

Mapping human cerebral blood flow with high-density, multi-channel speckle contrast optical spectroscopy Open

Byungchan Kim, A. S. Howard, Tom Y. Cheng, Jessica E. Anderson, Bernhard Zimmermann , et al. · 2025

Recently, speckle contrast optical spectroscopy (SCOS) enabled non-invasive, high signal-to-noise-ratio (SNR) human cerebral blood flow (CBF) measurements, relevant for both neuroscience and clinical monitoring of diseases with CBF dysregu…

Enhanced activation in the dorsolateral prefrontal cortex and inferior parietal lobule during recovery from body dissatisfaction Open

Yinying Hu, Xiaojun Cheng, Yuqi Liu, Yuting Hou, Liming Yue , et al. · 2025

Previous studies have examined the neural mechanisms of body dissatisfaction. This study aimed to investigate the neural basis of recovery from body dissatisfaction. Sixty-seven young women participated in this study, engaging in a fat tal…

Out-of-focus signal rejection for <i>in vivo</i> pO<sub>2</sub> measurements using two-photon phosphorescence lifetime microscopy Open

Qi Pian, Baoqiang Li, İkbal Şencan, Xiaojun Cheng, Jay Dubb , et al. · 2024

Two-photon phosphorescence lifetime microscopy has been a key tool for studying cerebral oxygenation in mice. However, the accuracy of the partial pressure of oxygen (pO 2 ) measurements is affected by out-of-focus signal. In this work, we…

Choosing a camera and optimizing system parameters for speckle contrast optical spectroscopy Open

Tom Y. Cheng, Byungchan Kim, Bernhard Zimmermann, Mitchell B. Robinson, Marco Renna , et al. · 2024

Speckle contrast optical spectroscopy (SCOS) is an emerging camera-based technique that can measure human cerebral blood flow (CBF) with high signal-to-noise ratio (SNR). At low photon flux levels typically encountered in human CBF measure…

Development and validation of a nomogram to predict medication risk based on a knowledge, attitude and practice (KAP) survey of residents in Shanxi Province, China Open

Dashuai Xie, Xue-hu Xie, Lihua Yang, Na Li, Xiao Zhang , et al. · 2024

Objective: Unsafe medication practices and medication errors are a major cause of harm in healthcare systems around the world. This study aimed to explore the factors that influence the risk of medication and provide medication risk evalua…

Comparing the performance potential of speckle contrast optical spectroscopy and diffuse correlation spectroscopy for cerebral blood flow monitoring using Monte Carlo simulations in realistic head geometries Open

Mitchell B. Robinson, Tom Y. Cheng, Marco Renna, Melissa M. Wu, Byungchan Kim , et al. · 2024

We provide design principles by which to evaluate the development of DCS and SCOS systems for their use in the measurement of cerebral blood flow.

How self-disclosure of negative experiences shapes prosociality? Open

Xiaojun Cheng, Shuqi Wang, Bing Guo, Qiao Wang, Yinying Hu , et al. · 2024

People frequently share their negative experiences and feelings with others. Little is known, however, about the social outcomes of sharing negative experiences and the underlying neural mechanisms. We addressed this dearth of knowledge by…

Dynamic light scattering and laser speckle contrast imaging of the brain: theory of the spatial and temporal statistics of speckle pattern evolution Open

Bingxue Liu, Dmitry D. Postnov, David A. Boas, Xiaojun Cheng · 2023

Dynamic light scattering (DLS) and laser speckle contrast imaging (LSCI) are closely related techniques that exploit the statistics of speckle patterns, which can be utilized to measure cerebral blood flow (CBF). Conventionally, the tempor…

Time-Lagged Functional Ultrasound for Multi-Parametric Cerebral Hemodynamic Imaging Open

Bingxue Liu, Yongchao Wang, Natalie Fomin-Thunemann, Martin Thunemann, Kıvılcım Kılıç , et al. · 2023

We introduce an ultrasound speckle decorrelation-based time-lagged functional ultrasound technique (tl-fUS) for the quantification of the relative changes in cerebral blood flow speed (rCBF [Formula: see text]), cerebral blood volume (rCBV…

Measurements of slow tissue dynamics with short-separation speckle contrast optical spectroscopy Open

Bingxue Liu, Shashwat Shah, Gülce Küreli, Anna Devor, David A. Boas , et al. · 2023

Laser speckle contrast imaging (LSCI) measures 2D maps of cerebral blood flow (CBF) in small animal brains such as mice. The contrast measured in LSCI also includes the static and slow-varying components that contain information about brai…

Measuring human cerebral blood flow and brain function with fiber-based speckle contrast optical spectroscopy system Open

Byungchan Kim, Sharvari Zilpelwar, Edbert J. Sie, Francesco Marsili, Bernhard Zimmermann , et al. · 2023

Cerebral blood flow (CBF) is crucial for brain health. Speckle contrast optical spectroscopy (SCOS) is a technique that has been recently developed to measure CBF, but the use of SCOS to measure human brain function at large source-detecto…

Mnemonic-trained brain tuning to a regular odd-even pattern subserves digit memory in children Open

Yafeng Pan, Ning Hao, Ning Liu, Yijie Zhao, Xiaojun Cheng , et al. · 2023

Measuring human cerebral blood flow and brain function with fiber-based speckle contrast optical spectroscopy system Open

Byungchan Kim, Sharvari Zilpelwar, Edbert J. Sie, Francesco Marsili, Bernhard Zimmermann , et al. · 2023

Cerebral blood flow (CBF) is an important indicator of brain health and function. Diffuse correlation spectroscopy (DCS) is an optical technique that enables non-invasive and continuous bedside monitoring of human CBF. However, traditional…

Mnemonic-trained brain tuning to a regular odd-even pattern subserves digit memory in children Open

Yafeng Pan, Ning Hao, Ning Liu, Yijie Zhao, Xiaojun Cheng , et al. · 2023

It is said that our species use mnemonics – that “magic of memorization” – to engrave an enormous amount of information in the brain. Yet, it is unclear how mnemonics affect memory and what the neural underpinnings are? In this electroence…

Model of dynamic speckle evolution for evaluating laser speckle contrast measurements of tissue dynamics Open

Sharvari Zilpelwar, Edbert J. Sie, Dmitry D. Postnov, Anderson Chen, Bernhard Zimmermann , et al. · 2022

We introduce a dynamic speckle model (DSM) to simulate the temporal evolution of fully developed speckle patterns arising from the interference of scattered light reemitted from dynamic tissue. Using this numerical tool, the performance of…

Musical Meter Induces Interbrain Synchronization during Interpersonal Coordination Open

Yinying Hu, Min Zhu, Yang Liu, Zixuan Wang, Xiaojun Cheng , et al. · 2022

Music induces people to coordinate with one another. Here, we conduct two experiments to examine the underlying mechanism of the interbrain synchronization (IBS) that is induced by interpersonal coordination when people are exposed to musi…

Neurophotonic Tools for Microscopic Measurements and Manipulation: Status Report Open

Ahmed S. Abdelfattah, Srinivasa Rao Allu, Robert E. Campbell, Xiaojun Cheng, Tomáš Čižmár , et al. · 2022

Neurophotonics was launched in 2014 coinciding with the launch of the BRAIN Initiative focused on development of technologies for advancement of neuroscience. For the last seven years, Neurophotonics' agenda has been well ali…

Author Correction: National identity predicts public health support during a global pandemic Open

Jay Joseph Van Bavel, Aleksandra Cichocka, Valerio Capraro, Hallgeir Sjåstad, John B. Nezlek , et al. · 2022

Distinct neural couplings to shared goal and action coordination in joint action: evidence based on fNIRS hyperscanning Open

Xiaojun Cheng, Bing Guo, Yinying Hu · 2022

Joint action is central to human nature, enabling individuals to coordinate in time and space to achieve a joint outcome. Such interaction typically involves two key elements: shared goal and action coordination. Yet, the substrates entrai…

Factors associated with blood lead levels in children in Shenyang, China: a cross-sectional study Open

Xiaojun Cheng, Guangbo Li, Shuang‐Shuang Zhang, Ying Liu, Yichen Dong , et al. · 2022

Interpersonal coordination enhances brain-to-brain synchronization and influences responsibility attribution and reward allocation in social cooperation Open

Can Zhou, Xiaojun Cheng, Chengwei Liu, Peng Li · 2022

Fair distribution of resources matters to both individual interests and group harmony during social cooperation. Different allocation rules, including equity- and equality-based rules, have been widely discussed in reward allocation resear…

The intrapersonal and interpersonal consequences of interpersonal synchrony Open

Yinying Hu, Xiaojun Cheng, Yafeng Pan, Yi Hu · 2022

Interpersonal synchrony, the time-matching behaviors, is pervasive in human interactions. This resonation of movements or other forms was generally considered as one of critical survival skills for humans, as the important consequences of …

National identity predicts public health support during a global pandemic Open

Jay Joseph Van Bavel, Aleksandra Cichocka, Valerio Capraro, Hallgeir Sjåstad, John B. Nezlek , et al. · 2022

GlobalMatch: Registration of Forest Terrestrial Point Clouds by Global Matching of Relative Stem Positions Open

Xufei Wang, Zexin Yang, Xiaojun Cheng, Jantien Stoter, Wenbin Xu , et al. · 2021

Registering point clouds of forest environments is an essential prerequisite for LiDAR applications in precision forestry. State-of-the-art methods for forest point cloud registration require the extraction of individual tree attributes, a…

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