Design and implementation of a brain-computer interface with high transfer rates
IEEE Transactions on Biomedical EngineeringPublished 1 October 2002
Ming Jen Cheng, Xiaorong Gao, Shangkai Gao, Dingfeng Xu
Citations814
SJR quartileQ1
SJR score1.11
SNIP1.58
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TL;DR
A brain-computer interface that can help users to input phone numbers based on the steady-state visual evoked potential (SSVEP), which has noninvasive signal recording, little training required for use, and high information transfer rate.
Abstract
This paper presents a brain-computer interface (BCI) that can help users to input phone numbers. The system is based on the steady-state visual evoked potential (SSVEP). Twelve buttons illuminated at different rates were displayed on a computer monitor. The buttons constituted a virtual telephone keypad, representing the ten digits 0-9, BACKSPACE, and ENTER. Users could input phone number by gazing at these buttons. The frequency-coded SSVEP was used to judge which button the user desired. Eight of the thirteen subjects succeeded in ringing the mobile phone using the system. The average transfer rate over all subjects was 27.15 bits/min. The attractive features of the system are noninvasive signal recording, little training required for use, and high information transfer rate. Approaches to improve the performance of the system are discussed.
Keywords
Neuroscience
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