The Alpha Energy metric specifically characterizes the periodic alpha components of the EEG that shows up as a peak above the background decay of the…
Lab Talk
Dead or Alive? Rethinking the Flat Line EEG
Death is commonly declared with the observation of a flat line or isoelectric EEG that is irreversible. Yet there are many caveats, challenges and ambiguities…
Computing Correlation Dimension in EEG
Correlation dimension is a method of computing the dimension of an attractor and has been applied to time series such as EEG with some luck…
The Fantastical Claims of Consumer Brain Wearables
Consumer brain recording technologies make all sorts of claims that are simply not substantiated in the literature at the level of individual predictions. Will FTC…
Common Average vs Infinity Reference in EEG
How do the average and infinity references in EEG compare, and what are other reference free approaches? In the previous blogpost, we looked at how…
EEG Connectivity Using Phase Lag Index
Phase Lag Index is a tool to estimate connectivity in EEG in a way that eliminates volume conduction effects. However, it is also likely to…
Building The Brain With Modules
Models in computational neuroscience that solve for one outcome cannot combine with one that solves for another. Can a modular approach solve this? The short…
Assessing Connectivity with Phase Locking Value
Assessing phase locking in the signal between two electrodes is often used as a method to assess functional connectivity. Here is a look at how…
Tracking Anesthesia
With multifaceted effects from analgesia, amnesia, paralysis and loss of consciousness the mechanisms of anesthesia are still a mystery. Can tracking with EEG provide deeper…
Factors that Impact Coherence in the EEG
Coherence is a commonly used measure in EEG analysis. What is Coherence and what are the practical considerations, limitations and interpretations of this measure when…