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FieldTrip: Open Source Software for Advanced Analysis of MEG, EEG, and Invasive Electrophysiological Data
This paper describes FieldTrip, an open source software package that we developed for the analysis of electrophysiological data. Expand
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A mechanism for cognitive dynamics: neuronal communication through neuronal coherence
  • P. Fries
  • Psychology, Medicine
  • Trends in Cognitive Sciences
  • 1 October 2005
At any one moment, many neuronal groups in our brain are active. Microelectrode recordings have characterized the activation of single neurons and fMRI has unveiled brain-wide activation patterns.Expand
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Dynamic predictions: Oscillations and synchrony in top–down processing
Classical theories of sensory processing view the brain as a passive, stimulus-driven device. By contrast, more recent approaches emphasize the constructive nature of perception, viewing it as anExpand
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Rhythms for Cognition: Communication through Coherence
  • P. Fries
  • Psychology, Medicine
  • Neuron
  • 7 October 2015
I propose that synchronization affects communication between neuronal groups. Gamma-band (30-90 Hz) synchronization modulates excitation rapidly enough that it escapes the following inhibition andExpand
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Canonical Microcircuits for Predictive Coding
This Perspective considers the influential notion of a canonical (cortical) microcircuit in light of recent theories about neuronal processing. Specifically, we conciliate quantitative studies ofExpand
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Neuronal gamma-band synchronization as a fundamental process in cortical computation.
  • P. Fries
  • Psychology, Medicine
  • Annual review of neuroscience
  • 25 June 2009
Neuronal gamma-band synchronization is found in many cortical areas, is induced by different stimuli or tasks, and is related to several cognitive capacities. Thus, it appears as if many differentExpand
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The gamma cycle
Activated neuronal groups typically engage in rhythmic synchronization in the gamma-frequency range (30-100 Hz). Experimental and modeling studies demonstrate that each gamma cycle is framed byExpand
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Visual Areas Exert Feedforward and Feedback Influences through Distinct Frequency Channels
Visual cortical areas subserve cognitive functions by interacting in both feedforward and feedback directions. While feedforward influences convey sensory signals, feedback influences modulateExpand
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Modulation of Neuronal Interactions Through Neuronal Synchronization
Brain processing depends on the interactions between neuronal groups. Those interactions are governed by the pattern of anatomical connections and by yet unknown mechanisms that modulate theExpand
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Localizing human visual gamma-band activity in frequency, time and space
We maximized the signal-to-noise ratio with which we can observe visually induced gamma-band activity in human magnetoencephalographic recordings. Expand
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