The mind controlled dino

Judge yourself if the Dino is controlled with Vasso's brain waves or perhaps with a little help from her facial muscles?

References

EMG contamination of EEG: spectral and topographical characteristics.
EMG and EOG artifacts in brain computer interface systems: A survey
Surface Laplacian of Central Scalp Electrical Signals is Insensitive to Muscle Contamination
Thinking activates EMG in scalp electrical recordings.
Relation of gamma oscillations in scalp recordings to muscular activity.
Scalp electrical recording during paralysis: quantitative evidence that EEG frequencies above 20 Hz are contaminated by EMG.
EOG and ECG can be removed from an EEG: Artifact removal from EEG signals using adaptive filters in cascade but removal of EMG is virtually impossible.

Brain computer interfaces (BCI) claim to use EEG to control, for example, a video game. However, if there are non-stationary artefacts detection of EEG might be impossible: Bernd Porr, Lucía Muñoz Bohollo (2023) BCI-Walls: A robust methodology to predict if conscious EEG changes can be detected in the presence of artefacts. Plos One.

Disclaimer: Use the information shown on this page and the other related pages at your own risk. See the disclaimer in the CC Attribution-Noncommercial-Share Alike 3.0 Unported license. Safety first: always use an electrically isolated A/D converter for all signal- and power-connections when conducting experiments with subjects. If you measure biosignals from other people you might need to apply for ethical approval. Make sure that the subject is electrically isolated from the mains at all times!

Author: Bernd Porr Except where otherwise noted. Content is licensed under the following license: CC Attribution-Noncommercial-Share Alike 4.0 International