nirs

NIRS hyperscanning data analysis (3) quality check

NIRS hyperscanning data analysis (1)NIRS hyperscanning data analysis (2)NIRS hyperscanning data analysis (3)NIRS hyperscanning data analysis (4) Data quality check 1. Behavior data To identify behavior abnormalities, we need to plot the behavior data
Xu Cui
1 min read

NIRS hyperscanning data analysis (2)

NIRS hyperscanning data analysis (1) NIRS hyperscanning data analysis (2) NIRS hyperscanning data analysis (3) NIRS hyperscanning data analysis (4) Data collection We used Hitachi’s ETG 4000 to collect data. This device normally collects data f
Xu Cui
1 min read

NIRS hyperscanning data analysis (1)

NIRS hyperscanning data analysis (1) NIRS hyperscanning data analysis (2) NIRS hyperscanning data analysis (3) NIRS hyperscanning data analysis (4) In this series I will introduce how we analyzed NIRS hyperscanning data. NIRS hyperscanning is a techn
Xu Cui
1 min read

NIRS: project digitizer data on brain using NFRI tool

If you have digitizer data, then NFRI tool can be very useful to visualize these data on a brain. If you can’t access youtube, see below:
Xu Cui
5 sec read

Can we control a robot by thought?

Honda has developed new brain-machine interface (BMI) technology that allows humans to control the Asimo humanoid robot simply by thinking certain thoughts. The technology is based on combined EEG and NIRS. The system reportedly has an accuracy rate
Xu Cui
12 sec read

Raspberry Pi for research labs (3) battery pack

Raspberry Pi for research labs (2) Raspberry Pi for research labs (1) We used to power the Raspberry Pi using a USB cable connecting to a computer; to make the device more usable and portable, now we use a battery pack. It is about 20 dollars. With 4
Xu Cui
14 sec read

Raspberry Pi for research labs (2) Connecting an accelerometer

Raspberry Pi for research labs (3) Raspberry Pi for research labs (1) We recently used a smartphone to measure participants’ head motion during an NIRS experiment and got decent results. Smartphone is easy to use, but its size is relatively bul
Xu Cui
1 min read

Movie: blood flow increases in brain motor cortex during…

Ever wondered what happened to your brain when you tap your finger? See this movie: Link: http://youtu.be/KN3MPtXlOH8 In the above movie I used topo software (by Hitachi) to visualize the blood flow changes in the brain. The data was collected by Hit
Xu Cui
22 sec read

NIRS can’t measure deep brain, … maybe it can!

Is NIRS able to measure signal from deep brain structure, such as amygdala? The short answer is no. NIRS is only able to measure the surface of the brain. This is a serious limitation of NIRS compared to fMRI which is able to measure the entire brain
Xu Cui
1 min read