2/6: In this paper, we used high-density intracranial recordings from human visual cortex to dissociate broad- and narrow-band gamma activity in spectral, temporal and functional domains. The findings have implications for how we study, quantify and think about gamma.
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3/6: We show that narrowband gamma (i.e. ‘gamma oscillation’) has a late onset and sustained response profile. In addition, it occurs most reliably for grating stimuli and red(ish) hues, but does not occur reliably for natural images unless these stimulus attributes are present.
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4/6: In contrast, broadband gamma (i.e. ‘high-gamma’) has a rapid onset and transient response profile, and occurs reliably for all stimuli. As the name indicates, it is also spectrally wideband in nature, lacking any characteristic ‘peak’ frequency.
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5/6: Despite the clear differences, these two signals are often conflated conceptually and analytically in the literature. More importantly, these tuning properties raise serious challenges to notions of gamma oscillations supporting natural vision.
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6/6: We made a strong effort in this work to integrate observations from the human and non-human primate literature, and to reconcile some debates in the field. Check out the full paper for many more findings related to phase etc. Many thanks to the lab and collaborators!
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awesome paper! The first figure is super rad! It reminds me of 80's style portraits:pic.twitter.com/TB4koGEV0b
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Nice ! And congrats :) thanks for the twitter summary, can’t wait to ready it.
Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Congratulations!!
Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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