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Brain–Computer InterfacesPrinciples and Practice$
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Jonathan Wolpaw and Elizabeth Winter Wolpaw

Print publication date: 2012

Print ISBN-13: 9780195388855

Published to Oxford Scholarship Online: May 2012

DOI: 10.1093/acprof:oso/9780195388855.001.0001

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BCIs That Use Signals Recorded in Motor Cortex

BCIs That Use Signals Recorded in Motor Cortex

16 BCIs That Use Signals Recorded in Motor Cortex
Brain–Computer Interfaces

John P. Donoghue

Oxford University Press

One useful way of categorizing a brain-computer interface (BCI) is by the location of its sensor. The type and site of the sensor are directly tied to the kinds of signals that can be obtained and enable or limit the fidelity or quality of the signal. Intraparenchymal BCIs (iBCIs) are those that acquire brain signals from electrodes implanted within brain tissue (i.e., parenchyma), usually cerebral cortex. These are also called penetrating or intracortical BCIs. This chapter describes iBCIs developed to date and addresses the issues involved in their further development, issues concerning biocompatibility, design, reliability, and signal properties.

Keywords:   brain-computer interface, intraparenchymal BCIs, brain signals, sensors, electrodes

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