Biology What Are the Types of Error When Taking an EEG?

[Master1022]

Homework Statement

What are the types of error we might encounter when taking an EEG reading?

Relevant Equations

noise

Hi,

Question:
I was recently working on a homework problem that asks us to list the different sources of error in an
electroencephalogram reading and how we deal with these errors.

I was struggling to find sources on the internet, so was hoping to ask whether there are any good sources which I could look at?

My attempt:
From reading on the internet, the main things I found were:
- electrode location error
- interference from nearby electrical equipment
- white noise from sensors

However, I was struggling to find comprehensive lists of other sources of error and/or how these are actually dealt with in practice.

Thanks

 

[berkeman]

- white noise from sensors

Can you elaborate on that one? What part of which sensor? I designed a portable EEG machine many years ago, so I had to deal with a number of noise issues.

Also, a Google search on EEG Pads Errors turns up many good hits.

https://www.google.com/search?client=firefox-b-1-d&q=eeg+pads+errors

From my experience with EEGs and EKGs, I would add at least these to your list to research and use in your report:

- Artifacts (noise from physical movement of the pads or interconnecting wires)

- Hair gets in the way for EEG pads, depending on how many you are trying to use...

 

[Master1022]

Can you elaborate on that one? What part of which sensor? I designed a portable EEG machine many years ago, so I had to deal with a number of noise issues.

Also, a Google search on EEG Pads Errors turns up many good hits.

https://www.google.com/search?client=firefox-b-1-d&q=eeg+pads+errors

From my experience with EEGs and EKGs, I would add at least these to your list to research and use in your report:

- Artifacts (noise from physical movement of the pads or interconnecting wires)

- Hair gets in the way for EEG pads, depending on how many you are trying to use...

Thank you very much for your reply @berkeman ! I will look into those.