'Sender' Instrumentation (IMAGE) University of Washington Caption The sender is hooked to an electroencephalography machine that reads brain activity. A computer processes the brain signals and sends electrical pulses via the Web to the receiver across campus. Credit U of Washington Usage Restrictions Photo 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.