High-density electroencephalography boosts performance of a high-speed SSVEP-based BCI

The dataset consists of processing high-density EEG data from the training and testing stages of 15 participants in 40 target spelling tasks.该数据集由15名受试者在40项目标拼写任务的训练与测试阶段采集的高密度脑电图（EEG）数据经处理后构成。