Figure 1From: Dual-task motor performance with a tongue-operated assistive technology compared with hand operationsA subject using the tongue drive system (TDS) to perform tongue tasks. The major components of the TDS headset are depicted (a). The wireless control unit sits on top of the headset with the battery supply in the back. Two magnetic sensors are attached (one on each side) to detect the movement of the magnet on the subject's tongue (b).Back to article page