EEG and fEMG, 2 Persons (image) Aalto University Share Print E-Mail Caption EEG and fEMG was recorded for two persons simultaneously. This was used to estimate linkage -- the correlation between the subjects' biological signals -- as illustrated here with cogwheels. Linkage was found to be largest if persons were competing against (vs) rather than together with (&) the other. Credit Aalto University Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.