Information-Theoretic Analysis of Refractory Effects in the P300 Speller

被引：0

作者：

Mayya, Vaishakhi ^{[1
]}

Mainsah, Boyla ^{[1
]}

Reeves, Galen ^{[1
,2
]}

机构：

[1] Duke Univ, Dept Elect & Comp Engn, Durham, NC 27708 USA

[2] Duke Univ, Dept Stat Sci, Durham, NC USA

来源：

2016 50TH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS | 2016年

关键词：

BRAIN-COMPUTER INTERFACES; CODES;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The P300 speller is a brain-computer interface that enables people with neuromuscular disorders to communicate based on eliciting event-related potentials (ERP) in electroencephalography (EEG) measurements. One challenge to reliable communication is the presence of refractory effects in the P300 ERP that induces temporal dependence in the user's EEG responses. We propose a model for the P300 speller as a communication channel with memory. By studying the maximum information rate on this channel, we gain insight into the fundamental constraints imposed by refractory effects. We construct codebooks based on the optimal input distribution, and compare them to existing codebooks in literature.

引用

页码：1621 / 1625

页数：5

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