Cracking the Code of Oscillatory Brain Activity
2011
Cracking the Code of Oscillatory Brain Activity
Sample size: 6
publication
Evidence: moderate
Author Information
Author(s): Philippe Schyns, G. Thut, J. Gross
Primary Institution: Institute of Neuroscience and Psychology, University of Glasgow
Hypothesis
How are messages encoded in brain waves when people look at faces?
Conclusion
The study found that different brain wave frequencies encode different facial information, allowing for more efficient communication of signals.
Supporting Evidence
- Different brain wave frequencies carry different types of information about faces.
- Beta waves encode eyes while theta waves encode the mouth.
- Variations in phase of brain waves encode more information than variations in amplitude.
Takeaway
The brain uses different types of waves to send messages about what we see, like faces, and can do this in clever ways to share more information at once.
Methodology
The researchers used EEG to measure brain waves while participants identified emotions from partially obscured facial images.
Participant Demographics
Six volunteers were recruited for the study.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website