Participant Using Robot (2 of 2) (VIDEO) Cell Press This video is under embargo. Please login to access this video. Caption Participants experienced being in the presence of another person in the asynchronous versus synchronous stimulation condition (p < 0.01) and experienced being touched by that invisible presence behind them (p < 0.01). Asynchronous stimulation induced a backward drift in selflocation toward the position of the presence (p < 0.05; Credit <i>Current Biology</i>, Blanke et al. Usage Restrictions Credit Required License Licensed content 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.