Title :
Spatial frequencies of scalp EEG
Author :
Eriksen, K. Jeffrey ; Srinivasan, Ramesh
Author_Institution :
EEG Dept., Legacy Good Samaritan Hospital, Portland, OR, USA
Abstract :
In order to explore the spatial Nyquist limit of the EEG the authors recorded from an 8×8 array of scalp electrodes spaced one cm apart. 2D FFT plots of spatial frequency are shown that indicate a fall-off of higher spatial frequency content, but are inconclusive in establishing a limit
Keywords :
electroencephalography; fast Fourier transforms; frequency-domain analysis; medical signal processing; 1 cm; 2D FFT plots; electrodiagnostics; scalp EEG; scalp electrodes array; spatial Nyquist limit; spatial frequencies; Electrodes; Electroencephalography; Eyes; Frequency estimation; Gold; Hospitals; Impedance; Psychology; Sampling methods; Scalp;
Conference_Titel :
Engineering in Medicine and Biology Society, 1995., IEEE 17th Annual Conference
Conference_Location :
Montreal, Que.
Print_ISBN :
0-7803-2475-7
DOI :
10.1109/IEMBS.1995.579757
