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27 - Introduction tobrain–machine interfaces

from Part VI - Brain interfaces

Published online by Cambridge University Press:  05 September 2015

By
Krzysztof Iniewski
Edited by
Sandro Carrara  and
Krzysztof Iniewski
Krzysztof Iniewski
Affiliation:
CMOS Emerging Technologies Research, Inc.
Sandro Carrara
Affiliation:
École Polytechnique Fédérale de Lausanne
Krzysztof Iniewski
Affiliation:
Redlen Technologies Inc., Canada
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Summary

In the first demonstration of human brain-to-brain control, a scientistwearing an electrical brain-signal reading cap triggered motion in hiscolleague across campus [1]. While research on brain–machineinterfacing has been going on for years, this recent demonstrationrepresents an impressive signal of how advanced technology has become. Usingelectrical brain recordings and a form of magnetic stimulation, oneresearcher sent a brain signal to another on the other side of theUniversity of Washington campus, causing the recipient’s finger tomove on a keyboard. Similarly, other researchers have demonstratedbrain-to-brain communication between two rats, or between a human and arat.

The technologies used by the researchers for recording and stimulating thebrain are both well known. Electroencephalography (EEG) is routinely used byclinicians and researchers to record brain activity non-invasively from thescalp and is discussed in the first chapter of this part of the book.Transcranial magnetic stimulation, on the other hand, is a non-invasive wayof delivering stimulation to the brain to elicit a response. In theexperiment mentioned above, the stimulating magnetic coil was placeddirectly over the brain region that controls a person’s right hand.By activating these neurons, the stimulation “convinced” thebrain that it needed to move the right hand.

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Chapter
Information
Handbook of Bioelectronics
Directly Interfacing Electronics and Biological Systems
 , pp. 341 - 343
Publisher: Cambridge University Press
Print publication year: 2015

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References

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