Rasa Bhattarai

7 Questions 6 Answers 0 Followers

Questions related from Rasa Bhattarai

How can we find the differential entropy of alpha and delta waves in EEG signal?

I have read a few papers which determines the Differential Entropy of alpha, beta, delta and theta band for EEG. They use this as a feature vector. 1) How can we calculate differential entropy...

06 June 2019 9,981 1 View

What is the general analysis steps for eeg signal to extract power of different frequency bands (alpha, beta etc) ?

Are these steps correct for analysis of eeg signal ? 1) Import the data in matlab. 2) Filter out the signal using bandpass filter (1-4 Hz for delta, 8 - 13 Hz for alpha etc.) 3) Create Welch PSD...

05 May 2019 5,171 6 View

How to perform discrete wavelet transform on eeg data ?

Is there any good documentation on step by step method to perform discrete wavelet transform on eeg data ? Not even eeglab has detailed explanation on extraction of frequency sub bands. Does...

04 April 2019 332 15 View

How to remove ocular artifacts from eeg signal ?

My experiment contains vertical and horizontal eye movements while recording an eeg signal. How do I remove these ocular artifacts ? I looked upon and found that ICA does not work well with few...

04 April 2019 2,476 0 View

How to resolve this error in unloading broken assembly that causes crashes in runtime ?

Hello all, I am developing an application using Unity which uses BioRadioSDK. When i run it in visual studio it works fine, but when i run in Unity, I get this error: "Unloading broken assembly...

11 November 2018 5,862 0 View

How are event codes generated for ERP data ?

I am doing research on ERP signals using visual stimulus. I am using BioRadio device SDK to get the ERP signals. I can obtain the time and values of the electrodes being used. While going through...

11 November 2018 6,088 0 View

What does it mean by averaging results of multiple trials in an ERP response ?

According to ERP article from Wikipedia, it is mentioned that "To see the brain's response to a stimulus the experimenter must conduct many trials and average the results together, causing random...

11 November 2018 9,621 3 View