Various cognitive functions have long been known to require the hippocampus. Recently,
progress has been made in identifying the hippocampal neural activity patterns that …

Sharp wave ripples (SPW‐Rs) represent the most synchronous population pattern in the
mammalian brain. Their excitatory output affects a wide area of the cortex and several …

Abstract Changes in gamma oscillations (20–50 Hz) have been observed in several
neurological disorders. However, the relationship between gamma oscillations and cellular …

Hippocampal sharp wave ripples (SPW-Rs) have been hypothesized as a mechanism for
memory consolidation and action planning. The duration of ripples shows a skewed …

The hippocampal local field potential (LFP) shows three major types of rhythms: theta, sharp
wave–ripples and gamma. These rhythms are defined by their frequencies, they have …

Spatial working memory, the caching of behaviourally relevant spatial cues on a timescale of
seconds, is a fundamental constituent of cognition. Although the prefrontal cortex and …

Theta and gamma frequency oscillations occur in the same brain regions and interact with
each other, a process called cross-frequency coupling. Here, we review evidence for the …

Hippocampal place cells take part in sequenced patterns of reactivation after behavioral
experience, known as replay. Since replay was first reported, nearly 20 years ago, many …

Cognitive faculties such as imagination, planning, and decision-making entail the ability to
represent hypothetical experience. Crucially, animal behavior in natural settings implies that …

Precisely how rhythms support neuronal communication remains obscure. We investigated
interregional coordination of gamma oscillations using high-density electrophysiological …