arXiv:2509.07202cs.HCcs.CL2025-09

用小数据+大模型实现高效脑电文本生成

Neurocognitive Modeling for Text Generation: Deep Learning Architecture for EEG Data

  • 融合Gemma 2B与RNN编码器,构建轻量级解码架构
  • 仅需少量数据即达顶尖方法90%性能,提升10%准确率
  • 适合残障人士辅助沟通,推动脑机接口实用化

文本生成能力因大语言模型(LLMs)的出现而发生显著变革。然而,基于脑电图(EEG)的文本生成仍面临数据与算力需求高的挑战。本文提出一种新方法,将Gemma 2B LLM与分类器-语言模型架构结合,引入循环神经网络(RNN)编码器。该方法大幅降低数据与计算资源需求,同时性能接近当前先进水平。相较于现有方法,整体性能提升10%。所提架构证明了在数据受限条件下实现有效迁移学习的可能性,保持强健且可用。本研究展示了将预训练语言模型与EEG解码融合的潜力,有助于提升严重运动障碍者的独立性与交流能力。通过高效利用预训练模型优势,该方法拓展了脑机接口的研究与应用边界,使基于EEG的文本生成更高效、易普及。

原文摘要 · Abstract (English)

Text generating capabilities have undergone a substantial transformation with the introduction of large language models (LLMs). Electroencephalography (EEG)-based text production is still difficult, though, because it requires a lot of data and processing power. This paper introduces a new method that combines the use of the Gemma 2B LLM with a classifier-LLM architecture to incorporate a Recurrent Neural Network (RNN) encoder. Our approach drastically lowers the amount of data and compute power needed while achieving performance close to that of cutting-edge methods. Notably, compared to current methodologies, our methodology delivers an overall performance improvement of 10%. The suggested architecture demonstrates the possibility of effective transfer learning for EEG-based text production, remaining strong and functional even in the face of data limits. This work highlights the potential of integrating LLMs with EEG decoding to improve assistive technologies and improve independence and communication for those with severe motor limitations. Our method pushes the limits of present capabilities and opens new paths for research and application in brain-computer interfaces by efficiently using the strengths of pre-trained language models. This makes EEG-based text production more accessible and efficient.

脑机接口文本生成EEG解码大模型

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