News.com.au - 12/30/13, Jenni Ryall

The original scheme of transmitting and receiving bio-circuitry of the human nervous system. Picture: B. B. Kazhinskiy Source: Supplied

At the time, the Soviet Union and the United States were in an arms race of a bizarre, unconventional kind - that has been exposed in a new report.

The Soviets poured at least $1 billion into developing mind-controlling weaponry to compete with similar programs undertaken in the US.

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