Resting-state EEG (RSEEG) Explained! | Neuroscience Methods 101
Вставка
- Опубліковано 5 вер 2024
- A resting state EEG measures brain activity while participants are relaxed.
Electroencephalography, or EEG, is a neuroscience technique that can be used to record brain signals. EEG measures tiny electrical signals on the scalp the originate from groups of active neurons. EEG can be recorded during a task and during rest.
Resting state EEG is typically done for about 5 minutes while participants relax. There are various ways to analyze resting-state EEG data, but the most common ones are a power spectrum analysis and coherence analysis.
A power analasis is used to identify the oscillatory activity in a particular electrode. A distribution is made of the power per frequency, where frequency reflects different speed of neural oscillations. There are different frequency bands: delta, theta, alpha, beta, and gamma frequencies. An increase or decrease in a particular frequency bands in a particular location can indicate a change in brain activity and behavior.
Coherence analyses are performed to investigate the relationships bewteen elecrodes. If activity between electrodes looks similar over time this may indicate that they are connected. However, volume conductance needs to be addressed.
References/resources:
Antonakakis, M., Schrader, S., Aydin, Ü., Khan, A., Gross, J., Zervakis, M., Rampp, S., & Wolters, C. H. (2020). Inter-Subject Variability of Skull Conductivity and Thickness in Calibrated Realistic Head Models. NeuroImage, 223, 117353. doi.org/10.101...
Arns, M., Conners, C. K., & Kraemer, H. C. (2013). A decade of EEG Theta/Beta Ratio Research in ADHD: a meta-analysis. Journal of attention disorders, 17(5), 374-383. doi.org/10.117...
Babiloni, C., Barry, R. J., Başar, E., Blinowska, K. J., Cichocki, A., Drinkenburg, W., et al. (2020). International Federation of Clinical Neurophysiology (IFCN) - EEG research workgroup: Recommendations on frequency and topographic analysis of resting state EEG rhythms. Part 1: Applications in clinical research studies. Clinical neurophysiology, 131(1), 285-307. doi.org/10.101...
Heijs, J., Havelaar, R. J., Fiedler, P., van Wezel, R., & Heida, T. (2021). Validation of Soft Multipin Dry EEG Electrodes. Sensors, 21(20), 6827. doi.org/10.339...
Wan, L., Huang, H., Schwab, N., Tanner, J., Rajan, A., Lam, N. B., Zaborszky, L., Li, C. R., Price, C. C., & Ding, M. (2019). From eyes-closed to eyes-open: Role of cholinergic projections in EC-to-EO alpha reactivity revealed by combining EEG and MRI. Human brain mapping, 40(2), 566-577. doi.org/10.100...
Wang, K., Steyn-Ross, M. L., Steyn-Ross, D. A., Wilson, M. T., & Sleigh, J. W. (2014). EEG slow-wave coherence changes in propofol-induced general anesthesia: experiment and theory. Frontiers in systems neuroscience, 8, 215. doi.org/10.338...
Narrated by: Miles Wischnewski
USE OF STOCK IMAGES AND VIDEOS
Occasionally we make use of stock images and videos (pixabay.com or pexels.com). We use these to make our videos more lively (better than looking at a blank screen). These stock videos should not be taken as an exact scientific reflection of the discussed content. In some cases they are not fully accurate. We try to have a high viewing pleasure, while at the same time create as little confusion as possible. Thus we aim to only use them when it is clear that they are not directly related to the discussed content.
CHANNEL GOALS
The Psyched! channel focuses on providing education about psychology and neuroscience. Here you learn all about human behavior, the mind and the brain. It is our goal to reach everyone, from people who are casually interested to academic researchers. As such we provide simple explanation videos as well as profound lectures. If you like our content, consider to subscribe!
SOCIAL MEDIA LINKS
Instagram: / real.psyched
Twitter: / mileswischnews1
Website: www.mileswischnewski.com
Your videos are amazing!
Thank you so much!
Does listening to music alone but not performing any task to collect brain waves also qualify as a resting-state EEG?
Great question. If there is some background tune I think it could still could as a resting state. But if someone is actively listening (following the lyrics in their head for example) I would argue that that is not a state of rest.