The PTSD patients, however, showed elevated responses even as the circles declined in size toward the safety end of the continuum.

The muscle-computer interface enables hand and finger input by means of gestures learned from an electromyographic recognizer collecting muscle signals from a band of sensors on the upper forearm.

Attachments of lifebuoys, such as self-igniting lights, smoking signals and safe lines, are correctly connected and ready for immediate use.