Frequency specific spatial interactions in human electrocorticography: V1 alpha oscillations reflect surround suppression

@article{Harvey2013FrequencySS,
  title={Frequency specific spatial interactions in human electrocorticography: V1 alpha oscillations reflect surround suppression},
  author={Ben M. Harvey and Mariska J. Vansteensel and Cyrille H. Ferrier and Natalia Petridou and W. Zuiderbaan and Erik J. Aarnoutse and Martin G. Bleichner and H. C. Dijkerman and Martine J. E. van Zandvoort and Frans S. S. Leijten and Nick F. Ramsey and Serge O. Dumoulin},
  journal={NeuroImage},
  year={2013},
  volume={65},
  pages={424-432}
}
Electrical brain signals are often decomposed into frequency ranges that are implicated in different functions. Using subdural electrocorticography (ECoG, intracranial EEG) and functional magnetic resonance imaging (fMRI), we measured frequency spectra and BOLD responses in primary visual cortex (V1) and intraparietal sulcus (IPS). In V1 and IPS, 30-120 Hz (gamma, broadband) oscillations allowed population receptive field (pRF) reconstruction comparable to fMRI estimates. Lower frequencies… CONTINUE READING

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