| Title |
Functional Near-Infrared Spectroscopy Extracts EROS in the Prefrontal Cortex |
| Authors |
강호열(Kang, Ho-Yul) ; 방성근(Baang, Sung-Keun) ; 송성호(Song, Seong-Ho) ; 이은주(Lee, Un-Joo) |
| Keywords |
Brian-Computer Interface ; FNIRS ; Prefrontal Cortex ; EROS(Event-related optical signal) |
| Abstract |
In this study event-related optical signals were extracted from the prefrontal cortexes using functional near infrared spectroscopy while subjects were carrying out 2-back working memory tasks. Four events such as start, yes, no, and error were considered based on the onsets of the stimulus, positive true responses, positive false responses, and negative responses in the 2-back working memory task, respectively. The optical signals recorded were analyzed by peri-event histograms and power spectrum distributions. The results showed specific characteristics of the event-related optical neuronal signals and an opened possibility of an application to control a non-invasive brain-computer interface system or an object of a virtual reality. |