Search results for: wavelet

We contributed to MatLab (wavelet toolbox)

We use MatLab a lot! It’s the major program for brain imaging data analysis in our lab. However, I never thought we could actually...
Xu Cui
2 min read

Some tips to use wavelet toolbox

Wavelet toolbox is a useful tool to study hyperscanning data. Many recent publications on NIRS hyperscanning use wavelet coherence to quantify the relationship between...
Xu Cui
55 sec read

Download “Cross Wavelet and Wavelet Coherence Toolbox”

The “Cross Wavelet and Wavelet Coherence Toolbox” download link by Grinsted et al (http://www.pol.ac.uk/home/research/waveletcoherence/) is dead. We will send you an active download link upon...
Xu Cui
14 sec read

Extracting wavelet coherence values

In my previous blog (https://www.alivelearn.net/?p=1426) and in our paper titled “NIRS-based hyperscanning reveals increased interpersonal coherence in superior frontal cortex during cooperation” (full text...
Xu Cui
24 sec read

What does a wavelet coherence plot tell you?

Can you find any pattern in the two signals, green and blue? The blue signal is the brain wave (measured by NIRS) of a...
Xu Cui
1 min read

What does a wavelet transform plot tell you?

Let’s say you collected some brain data (time series) using NIRS while the participants were performing a task (say finger tapping), and you use...
Xu Cui
1 min read

Wavelet Coherence

Wavelet transform coherence (WTC) is a method for analyzing the coherence and phase lag between two time series as a function of both time...
Xu Cui
1 min read

第十五期 fNIRS Journal Club 通知 2020/12/27,10am

香港中文大学二年级博士生胡玥为大家介绍一篇方法学文献,即基于人工神经网络重構的多通道fNIRS信号运动伪影校正。该方法不仅对心理学,还对运动科学以及康复医学等领域的研究具有重要的参考价值,热烈欢迎大家参与讨论。 时间: 北京时间2020年12月27日周日上午10点地点: https://zoom.com房间号: 859 4100 6556 密码: 467563 Lee, G., Jin, S. H., & An, J. (2018). Motion artifact correction of multi-measured functional...
Xu Cui
51 sec read

NIRS People: Interview Dr Chunming Lu

Chunming Lu’s lab in Beijing Normal University has published a paper titled “Shared neural representations of syntax during online dyadic communication” in NeuroImage. This...
Xu Cui
4 min read

Interview with Drs. Chenbo Wang and Xianchun Li

A group of scientists in East China Normal University has published a paper earlier this month titled “Dynamic interpersonal neural synchronization underlying pain-induced cooperation...
Xu Cui
3 min read