Would it not be nice to be able to communicate between two brains using the full bandwidth of thought? Recent advances in brain-computer interfacing technology suggest future possibilities for direct communication between brains [1-3]. Accurate techniques for decoding brain signals [2] and stimulating brain structures [3] shed light on the feasibility of brain-to-brain coupling. Since the recent conceptual development of a brain-to-brain interface, a limited number of studies have investigated how brain signals can be transferred directly from one animal brain to another in an invasive manner [4], or from a human brain to an animal brain noninvasively [5]. The ultimate goal of this technology is to find a practical way to accomplish noninvasive, bidirectional human-to-human neural communication. In this paper, we suggest feasible techniques for accomplishing neural transfer between two human brains, and propose plausible methods using currently available technology.
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