EEG2TEXT: Open Vocabulary EEG-to-Text Decoding with EEG Pre-Training and Multi-View Transformer

• URL: http://arxiv.org/abs/2405.02165v1
• Date: Fri, 3 May 2024 15:14:19 GMT
• Title: EEG2TEXT: Open Vocabulary EEG-to-Text Decoding with EEG Pre-Training and Multi-View Transformer
• Authors: Hanwen Liu, Daniel Hajialigol, Benny Antony, Aiguo Han, Xuan Wang,
• Abstract summary: We propose a novel method to improve the accuracy of EEG-to-text decoding. EEG2 TEXTURE shows great potential for a high-performance open-vocabulary brain-to-text system to facilitate communication.
• Score: 4.863362296028391
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Deciphering the intricacies of the human brain has captivated curiosity for centuries. Recent strides in Brain-Computer Interface (BCI) technology, particularly using motor imagery, have restored motor functions such as reaching, grasping, and walking in paralyzed individuals. However, unraveling natural language from brain signals remains a formidable challenge. Electroencephalography (EEG) is a non-invasive technique used to record electrical activity in the brain by placing electrodes on the scalp. Previous studies of EEG-to-text decoding have achieved high accuracy on small closed vocabularies, but still fall short of high accuracy when dealing with large open vocabularies. We propose a novel method, EEG2TEXT, to improve the accuracy of open vocabulary EEG-to-text decoding. Specifically, EEG2TEXT leverages EEG pre-training to enhance the learning of semantics from EEG signals and proposes a multi-view transformer to model the EEG signal processing by different spatial regions of the brain. Experiments show that EEG2TEXT has superior performance, outperforming the state-of-the-art baseline methods by a large margin of up to 5% in absolute BLEU and ROUGE scores. EEG2TEXT shows great potential for a high-performance open-vocabulary brain-to-text system to facilitate communication.

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