tFast Network Oscillations in the Hippocampal CA1 Region of the Behaving Rat

By tJozsef Csicsvari, H. Hirase, András Czurkó, Akira Mamiya, György Buzsáki. 1999

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Citations in the corpus

Hippocampal replay in the awake state: a potential physiological substrate of memory consolidation and retrieval (2011, background): “When recording in area CA3, this synchronized activation of CA3 pyramidal cells can be measured as a 100–150 Hz oscillatio”
Rewarded Outcomes Enhance Reactivation of Experience in the Hippocampus (2009, unknown): “There is a report that the local field potential signature of SWRs is of lower frequency in CA3 than in CA1 (Csicsvari et al., 1999), which might imply that the events we recorded were distinct from CA1 SWRs.”
Gating of Human Theta Oscillations by a Working Memory Task (2001, background): “First, recent work on theta in rats indicates that periods of high and low theta have nearly the same overall rates of firing (Csicsvari et al., 1999).”
Neural Ensembles in CA3 Transiently Encode Paths Forward of the Animal at a Decision Point (2007, background): “Because of the pretraining protocol in which each cue tone was associated with a direction while the other side was blocked, it was possible for rats to start the open (decision making) phase of the cued-choice task above chance.”
Hippocampal Sharp Waves and Reactivation during Awake States Depend on Repeated Sequential Experience (2006, background): “Our data are consistent with the SWR itself being a consequence of a noise-driven firing cascade across potentiated synapses within CA3 (Ylinen et al., 1995; Shen and McNaughton, 1996; Redish and Touretzky, 1998; Csicsvari et al., 1999, 2000; Behrens et al., 2005).”
Dissociating the past from the present in the activity of place cells (2006, background): “During slow-wave sleep the hippocampus shows sharpwave-ripple complexes, fast (140–200 Hz) oscillations in field potential recordings superimposed on a slow field potential transient (Csicsvari et al., 1999; Sejnowski and Destexhe, 2000 for review).”
Hippocampal CA3 Output is Crucial for Ripple-Associated Reactivation and Consolidation of Memory (2009, unknown): “SQ periods were further determined using the theta/delta ratio (Csicsvari et al., 1999).”
Reverse replay of hippocampal place cells is uniquely modulated by changing reward (2016, unknown): “These events, often referred to as ‘‘replay,’’ are associated with fast (150–250 Hz) oscillatory events in the local field potential (LFP) known as sharp-wave ripples (SWRs; Buzsáki, 1986; Csicsvari et al., 1999).”
Hippocampal Reactivation of Random Trajectories Resembling Brownian Diffusion. (2019, methodology): “Putative pyramidal cells and putative interneurons in the CA1 region were discriminated by their autocorrelations, firing rate, and waveforms, as previously described (Csicsvari et al., 1999a).”
The reorganization and reactivation of hippocampal maps predict spatial memory performance (2010, unknown): “During slow wave sleep and waking immobility, the most dominant oscillatory patterns of hippocampal network activity are the intermittent sharp wave/ripple events (SWRs, 150–250Hz) 1 , 21 - 23 .”
Mechanisms of Gamma Oscillations (2012, background): “Previous works have distinguished only low and high gamma sub-bands (Csicsvari et al. 1999, Ray & Maunsell 2011) with the high subband defined as 60–140 Hz (Canolty et al. 2006, Colgin et al. 2009).”
What determines the frequency of fast network oscillations with irregular neural discharges? I. Synaptic dynamics and excitation-inhibition balance. (2003, background): “…prominent gamma (40 – 80 Hz) rhythm during animal's free movement and rapid-eye movement (REM) sleep, and 200-Hz sharp-wave ripples during quiet sleep and immobility as measured by local field potential (LFP) (Bragin et al. 1995; Buzsaki et al. 1992; Csicsvari et al. 1999b; Siapas and Wilson 1998).”