ライフサイエンスコーパス: sharp wave

1 hroughout stratum radiatum of the CA1 field (sharp wave).

2 e related to the occurrence of an entorhinal sharp wave.

3 in anticipation of the run, coinciding with sharp waves.

4 t local field potential (LFP) events, termed sharp waves.

5 ng theta states and feature detection during sharp waves.

6 repotentials) in some pyramidal cells during sharp waves.

7 phasic or polyphasic slow waves, or slow and sharp waves.

8 ges of CA3-CA1 neurons concurrent with field sharp waves.

9 ncy activity follow population bursts called sharp waves.

10 bserved in the hippocampus in vivo following sharp waves.

11 in the generation of gamma oscillations and sharp waves.

12 ubsequently enhance, the local generation of sharp waves.

13 iming of imposed replay relative to cortical sharp-waves.

14 mporally structured network activity such as sharp waves and gamma and theta oscillations.

15 ; 95% CI, 1.67-8.02; P = .001), and sporadic sharp waves and periodic discharges (OR, 2.59; 95% CI, 1

16 cells that were activated during hippocampal sharp waves and projected to CA3.

17 Hippocampal sharp waves and the associated ripple oscillations (SWRs

18 ds of intense pyramidal cell firing, such as sharp waves, and lead to their altered activation during

19 Hippocampal sharp waves are population discharges initiated by an un

20 ories of hippocampal processing suggest that sharp waves arise from strengthened plasticity, and that

21 Sharp-wave associated ripples have been shown to be nece

22 iversity of subicular pyramidal cells during sharp-wave associated ripples.

23 ncharacterized role of this cell type during sharp wave-associated activity.

24 Sharp wave-associated approximately 200-Hz ripple oscill

25 e, or fire infrequently, superimposed on the sharp wave-associated depolarization, whereas interneuro

26 Sharp wave-associated field oscillations ( approximately

27 O-LM cells, strongly increase spiking during sharp wave-associated ripples (SWRs).

28 During sharp wave-associated ripples, bistratified cells fired

29 city, expressed as long-lasting increases in sharp wave-associated synaptic currents, exhibits enhanc

30 -locked to theta oscillations (4-8 Hz) or to sharp-wave-associated ripple oscillations (120-200 Hz),

31 asses of interneurons during theta waves and sharp wave burst (SPW)-associated field ripples.

32 ctances by the backpropagating spikes during sharp wave bursts may be critical for synaptic plasticit

33 eplayed" at a faster timescale during single sharp-wave bursts of slow-wave sleep.

34 ion bursts including epileptiform spikes and sharp waves can be generated in and propagate through th

35 ields, associated with hippocampal theta and sharp waves, can greatly affect spike timing.

36 mittent rhythmic delta activity and periodic sharp wave complexes).

37 or protein (APP) from birth display frequent sharp wave discharges (SWDs).

38 charge during the time (50-100 msec) of each sharp wave, each wave of a ripple (approximately 5 msec)

39 dies in CA3 and CA1 found that the number of sharp waves emitted also increased in CA3 recordings as

40 The number of sharp waves emitted increased during sessions with more

41 This similarity was strongest during sharp-wave events.

42 lation discharge of CA3-CA1 pyramidal cells (sharp wave field events).

43 However, during ripples associated with sharp waves, firing of CA2/3 basket cells was phase lock

44 onounced theta and gamma frequencies, but no sharp wave frequencies.

45 ients, and advance for many millimeters as a sharp wave front perpendicular to the pial surface, at s

46 eceptor-mediated inhibition is necessary for sharp wave generation.

47 synapses providing input to CA1 cells during sharp waves had undergone potentiation.

48 sons affected with EEG-recorded spike and/or sharp wave in a two-generation Honduran family.

49 G oscillations superimposed on physiological sharp waves in a number of limbic regions of the rat, ei

50 ed intracellularly from distal dendrites and sharp waves in the electrocorticogram were accompanied b

51 istic encephalogram abnormality of spikes or sharp waves in the pericentral region (centroparietal, c

52 ome from investigation of large deflections (sharp-waves) in the hippocampal local field potential th

53 The approximately 200 Hz activity of the sharp wave itself may serve to enhance synaptic connecti

54 nts; and (ii) 'delayed responses', spikes or sharp waves occurring between 100 ms and 1 s after stimu

55 s a necessary condition for the emergence of sharp waves promoting memory consolidation.

56 activated during high frequency (100-250 Hz) sharp wave ripple (SWR) activity in a manner that likely

57 havioral sequences in the hippocampus during sharp wave ripple complexes (SWRs) provides a potential

58 in the hippocampal-entorhinal circuit during sharp wave ripple events (SWRs) that occur during sleep

59 This high rate firing continues during sharp wave ripple events in a subsequent rest period.

60 ty that encodes current location, as well as sharp-wave ripple (SWR) activity during which representa

61 activated during high frequency (100-250 Hz) sharp-wave ripple (SWR) activity in a manner that probab

62 ited a 2.5-fold increase in the abundance of sharp-wave ripple (SWR) events during awake resting peri

63 Hippocampal activity during awake sharp-wave ripple (SWR) events is important for spatial

64 Hippocampal sharp-wave ripple (SWR) events occur during both behavio

65 During sharp-wave ripple (SWR) events, hippocampal neurons expr

66 replays memories of past experiences during sharp-wave ripple (SWR) events.

67 ctrical activity in CA1 hippocampal neurons [sharp-wave ripple complexes (SPW-Rs)] functionally coupl

68 Hippocampal replay during sharp-wave ripple events (SWRs) is thought to drive memo

69 Sharp-wave ripple events generated in the hippocampus ha

70 l field and single-unit activity surrounding sharp-wave ripple events were examined in the CA1 region

71 des of sequential place cell activity during sharp-wave ripple oscillations (SWRs).

72 We recorded sharp-wave ripple patterns in rats during sleep from the

73 In particular, hippocampal sharp-wave ripple-associated neural activation is import

74 play of spatial sequences during hippocampal sharp wave-ripple (SPW-R) events of quiet wakefulness an

75 ppocampal networks, including alterations in sharp wave-ripple complexes.

76 tween hippocampal input, such as mediated by sharp wave-ripple events, cortical slow oscillations, an

77 Pattern reinstatement was strongest during sharp wave-ripple oscillations, suggesting that these ev

78 red by closed-loop optogenetic disruption of sharp wave-ripple oscillations.

79 midal neurons that initiate each hippocampal sharp wave-ripple.

80 Sharp-wave-ripple (SPW-R) complexes are believed to medi

81 Hippocampal sharp-wave-ripple (SWR) events have been linked to this

82 Third, replay-associated sharp-wave-ripple events in the local field potential ex

83 Emerging evidence suggests that sharp wave/ripple (SWR) events in the hippocampus could

84 al-related assembly patterns associated with sharp wave/ripple network oscillations, during both lear

85 During phases of rest and sleep, it exhibits sharp-wave/ripple (SPW/R) complexes, which are short epi

86 te dependent: they are driven by hippocampal sharp-wave/ripple (SWR) bursts in slow-wave sleep (SWS)

87 might contribute to the organization of the sharp-wave/ripple episodes by decreased firing during an

88 hout theta oscillations, but silenced during sharp-wave/ripple episodes.

89 ible explanation for experimentally observed sharp-wave/ripple events.

90 reviously stored memories during hippocampal sharp wave ripples (SWRs) is thought to support both mem

91 n of previous experiences during hippocampal sharp wave ripples (SWRs).

92 Cholinergic stimulation completely blocked sharp wave ripples and strongly suppressed the power of

93 activity by reducing gamma oscillations and sharp wave ripples, changes associated with a decrease i

94 epolarizations in CA1 pyramidal cells during sharp wave ripples, which are associated with ripple fre

95 ace cell sequence spiking ("replays") during sharp wave ripples.

96 Sharp-wave ripples (SPW-Rs) in the hippocampus are impli

97 Sharp-wave ripples (SWRs) are high-frequency local field

98 Sharp-wave ripples (SWRs) are high-frequency oscillation

99 Hippocampal sharp-wave ripples (SWRs) are highly synchronous oscilla

100 olidation.SIGNIFICANCE STATEMENT Hippocampal sharp-wave ripples (SWRs) occur both in the awake state

101 two functional apoE4-KI phenotypes involving sharp-wave ripples (SWRs), hippocampal network events cr

102 al oscillations in the hippocampus, known as sharp-wave ripples (SWRs), synchronise the firing behavi

103 tingly, the incidences of sleep spindles and sharp-wave ripples (SWRs), typically associated with cor

104 In contrast, during sharp-wave ripples (SWRs), when representations of exper

105 st intimate interactions between hippocampal sharp-wave ripples and ACC neurons in a state-dependent

106 Importantly, sharp-wave ripples and associated activation appear to r

107 Sharp-wave ripples are brief ( approximately 70 ms) high

108 Sharp-wave ripples are transient oscillatory events in t

109 te the underlying communication: Hippocampal sharp-wave ripples coalescing with thalamic spindles med

110 ne cell participation during sleep and awake sharp-wave ripples in freely moving rats.

111 h experimental evidence supports the role of sharp-wave ripples in transferring hippocampal informati

112 eactivated in specific temporal order during sharp-wave ripples observed in quiet wakefulness or slow

113 Sharp-wave ripples represent a prominent synchronous act

114 field potential oscillations associated with sharp-wave ripples, and controlled the phase of action p

115 ents, hippocampal replay occurs during local sharp-wave ripples, and the associated neocortical repla

116 of memory patterns in the hippocampus during sharp-wave ripples.

117 pled to cortical delta waves and hippocampal sharp-wave ripples.

118 etwork states such as theta oscillations and sharp-wave ripples.

119 al network states like theta oscillations or sharp-wave ripples.

120 may explain the selection of CA1 PCs during sharp-wave ripples.

121 oser to stratum radiatum) rat CA1 PCs during sharp-wave ripples.

122 oximately 4-8 Hz) and the other by irregular sharp-wave ripples.

123 an generate propagating Ca(2+) spikes during sharp-wave ripples.

124 ial for pattern completion and generation of sharp-wave ripples.

125 p transitions, theta bursts, and hippocampal sharp-wave ripples.

126 Because sharp wave-ripples (SPW-R) orchestrate both retrospectiv

127 Hippocampal sharp wave-ripples (SPW-Rs) and associated place-cell re

128 hese reactivations peaked during hippocampal sharp wave-ripples (SPW-Rs) and involved a subgroup of B

129 g "fast gamma" or "epsilon" oscillations and sharp wave-ripples (SPW-Rs), are one exception, showing

130 play of neuronal activity during hippocampal sharp wave-ripples (SWRs) is essential in memory formati

131 sleep, temporal coordination of hippocampal sharp wave-ripples and medial prefrontal cortex spindles

132 Hippocampal population bursts ("sharp wave-ripples") occur during rest and slow-wave sle

133 In the hippocampus, replay occurs within sharp wave-ripples: short bouts of high-frequency activi

134 We observed sharp wave/ripples (SWR) during exploration within brief

135 accumbens, were most active during tasks and sharp wave/ripples.

136 Besides assigning sharp-wave/ripples a crucial role for replay generation

137 h high-frequency oscillations, the so-called sharp-wave/ripples.

138 theta activity, i.e., during and in between sharp wave (SPW) bursts.

139 Population synchrony was strongest during sharp wave (SPW) bursts.

140 projection, we cross-correlated hippocampal sharp wave (SPW) ripples or theta activity and extracell

141 a naturally occurring event, the hippocampal sharp wave (SPW), for the assessment of synaptic strengt

142 among pyramidal neurons was observed during sharp wave (SPW)-related population bursts, with stronge

143 In contrast, sharp-wave (SPW) sequences, theta sequences, and episode

144 Hippocampal sharp waves (SPWs) and associated fast ("ripple") oscill

145 Sharp waves (SPWs) occur in the hippocampal EEG during b

146 spikes were observed in the dendrites during sharp waves than in the soma, suggesting that local dend

147 Thus, during each hippocampal sharp wave, there is powerful synchronization among the

148 scillations, and increased firing during CA1 sharp waves, thus supporting the role of CA3 networks in

149 automatisms that were coupled with polyspike/sharp-wave trains with increasing amplitude and slowing

150 ular mechanisms underlying the initiation of sharp waves using a hippocampal slice model.

151 In contrast, sharp waves were accompanied by startles (i.e., simultan

152 in freely moving rats stopped firing during sharp waves, when pyramidal cells fire most.

153 The voltammetry of P(C) displays relatively sharp waves with minimal history or relaxation effects.