Literature DB >> 11322970

Functional brain imaging based on ERD/ERS.

G Pfurtscheller1.   

Abstract

Sensory, cognitive and motor processing can result in changes of the ongoing EEG in form of an event-related desynchronization (ERD) or event-related synchronization (ERS). Both phenomena are time-locked but not phase-locked to the event and they are highly frequency-band specific. The ERD is interpreted as a correlate of an activated cortical area with increased excitability and the ERS in the alpha and lower beta bands can be interpreted, at least under certain circumstances, as a correlate of a deactivated cortical area. Spatial mapping of ERD/ERS can be used to study the dynamics of cortical activation patterns. Examples from a movement task are reported.

Mesh：

Year:  2001        PMID： 11322970     DOI： 10.1016/s0042-6989(00)00235-2

Source DB:  PubMed          Journal:  Vision Res        ISSN： 0042-6989            Impact factor:   1.886


  124 in total

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