Accident investigators testing the control circuitry in the days after the collision found problems along the line near the crash scene.

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When a test train this week was parked in the same location, the control circuitry did not signal that it was there.

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If Mischel and his team succeed, they will have outlined the neural circuitry of self-control.

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The smaller models of the Digital Studio series use a built-in graphics adapter in the Intel 810 chipset, the circuitry that is normally used to control other components of the motherboard such as the PCI bus, and the serial and parallel ports.

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The signal from the electrodes would be processed by the electronic circuitry and converted into an infrared signal, similar to that used in a TV remote control.

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