Reactivation of behavioral activity during sharp waves: a computational model for two stage hippocampal dynamics

C Molter, N Sato, Y Yamaguchi - Hippocampus, 2007 - Wiley Online Library
The rodent hippocampus is known to exhibit two very distinctive patterns of activity: theta
with place selective cells firing during exploratory behavior and sharp waves (SPWs) …

Functional cortical network in alpha band correlates with social bargaining

P Billeke, F Zamorano, M Chavez, D Cosmelli… - PLoS …, 2014 - journals.plos.org
Solving demanding tasks requires fast and flexible coordination among different brain areas.
Everyday examples of this are the social dilemmas in which goals tend to clash, requiring …

Social memory engram in the hippocampus

T Okuyama - Neuroscience research, 2018 - Elsevier
Social memory is one of the crucial components of episodic memories. Gregarious animals
living in societies utilize social memory to exhibit the appropriate social behaviors such as …

[PDF][PDF] Beta oscillations and hippocampal place cell learning during exploration of novel environments

S Grossberg - Hippocampus, 2009 - sites.bu.edu
The functional role of synchronous oscillations in various brain processes has attracted a lot
of experimental interest. Berke et al.(2008) reported beta oscillations during the learning of …

The geometry of hippocampal CA2 representations enables abstract coding of social familiarity and identity

L Boyle, L Posani, S Irfan, SA Siegelbaum, S Fusi - bioRxiv, 2022 - biorxiv.org
Social recognition consists of multiple memory processes, including the detection of
familiarity–the ability to rapidly distinguish familiar from novel individuals–and recollection …

Enhanced theta and high-gamma coupling during late stage of rule switching task in rat hippocampus

T Nakazono, S Takahashi, Y Sakurai - Neuroscience, 2019 - Elsevier
Abstract Hippocampal oscillations, particularly theta (6–12 Hz) and gamma (30–90 Hz)
frequency bands, play an important role in several cognitive functions. Theta and gamma …

Distinct directional couplings between slow and fast gamma power to the phase of theta oscillations in the rat hippocampus

H Jiang, A Bahramisharif… - European Journal of …, 2020 - Wiley Online Library
It is well‐established that theta (~ 4–10 Hz) and gamma (~ 25–100 Hz) oscillations interact
in the rat hippocampus. This cross‐frequency coupling might facilitate neuronal coordination …

[HTML][HTML] CA2 beyond social memory: Evidence for a fundamental role in hippocampal information processing

AB Lehr, A Kumar, C Tetzlaff, T Hafting, M Fyhn… - Neuroscience & …, 2021 - Elsevier
Hippocampal region CA2 has received increased attention due to its importance in social
recognition memory. While its specific function remains to be identified, there are indications …

A double dissociation between hippocampal subfields: differential time course of CA3 and CA1 place cells for processing changed environments

I Lee, G Rao, JJ Knierim - Neuron, 2004 - cell.com
Computational theories have suggested different functions for the hippocampal subfields
(eg, CA1 and CA3) in memory. However, it has been difficult to find dissociations relevant to …

Enhancement of synchronized activity between hippocampal CA1 neurons during initial storage of associative fear memory

YZ Liu, Y Wang, W Shen, Z Wang - The Journal of Physiology, 2017 - Wiley Online Library
Key points Learning and memory storage requires neuronal plasticity induced in the
hippocampus and other related brain areas, and this process is thought to rely on …