Gamma or no gamma, that is the question.

  title={Gamma or no gamma, that is the question.},
  author={N. M. Brunet and Martin Vinck and Conrado Arturo Bosman and Wolf Singer and Pascal Fries},
  journal={Trends in cognitive sciences},
  volume={18 10},
Numerous studies suggest that gamma-band synchronization is central to visual processing, yet most of them have used artificial stimuli. A new study using electrocorticography (ECoG) in humans reported finding no gamma for many natural images and for visual noise. However, we highlight that sensitive metrics can reveal clear gamma not only for natural images, but for noise stimuli and even during the absence of visual stimuli. This shows the importance of using appropriate metrics for detecting… CONTINUE READING
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