Revealing the spatiotemporal brain dynamics of covert speech compared with overt speech: a simultaneous EEG-fMRI study

• Main Authors: Zhang, Wei, Jiang, Muyun, Teo, Colin Kok Ann, Bhuvanakantham, Raghavan, Fong, Lai Guan, Sim, Jeremy Wei Khang, Guo, Zhiwei, Foo, Vince Chuan Huat, Chua, Jonathan Rong Hui, Padmanabhan, Parasuraman, Leong, Victoria, Lu, Jia, Gulyás, Balázs, Guan, Cuntai
• Other Authors: School of Computer Science and Engineering
• Format: Article
• Language: English
• Published: 2024
• Subjects: Medicine, Health and Life Sciences; Covert speech; Functional connectivity
• Online Access: https://hdl.handle.net/10356/178883
• Institution: Nanyang Technological University

Covert speech (CS) refers to speaking internally to oneself without producing any sound or movement. CS is involved in multiple cognitive functions and disorders. Reconstructing CS content by brain-computer interface (BCI) is also an emerging technique. However, it is still controversial whether CS...