[HTML][HTML] Hippocampal formation volume, its subregions, and its specific contributions to visuospatial memory tasks

T Shavitt, INS Johnson, MC Batistuzzo - Brazilian Journal of Medical …, 2020 - SciELO Brasil
Visuospatial memory (VSM) is the ability to represent and manipulate visual and spatial
information. This cognitive function depends on the functioning of the hippocampal formation …

[HTML][HTML] Cholinergic modulation of dentate gyrus processing through dynamic reconfiguration of inhibitory circuits

MB Ogando, O Pedroncini, N Federman, SA Romano… - Cell Reports, 2021 - cell.com
The dentate gyrus (DG) of the hippocampus plays a key role in memory formation, and it is
known to be modulated by septal projections. By performing electrophysiology and …

Isoflurane suppresses hippocampal high-frequency ripples by differentially modulating pyramidal neurons and interneurons in mice

W Zhao, S Zhao, T Zhu, M Ou, D Zhang, H Sun… - …, 2021 - pubs.asahq.org
Background Isoflurane can induce anterograde amnesia. Hippocampal ripples are high-
frequency oscillatory events occurring in the local field potentials of cornu ammonis 1 …

Route-dependent spatial engram tagging in mouse dentate gyrus

LK Wilmerding, I Kondratyev, S Ramirez… - Neurobiology of learning …, 2023 - Elsevier
The dentate gyrus (DG) of hippocampus is hypothesized to act as a pattern separator that
distinguishes between similar input patterns during memory formation and retrieval. Sparse …

AMPA and NMDA receptors in dentate gyrus mediate memory for sucrose in two port discrimination task

S Sagarkar, N Bhat, D Rotti, NK Subhedar - Hippocampus, 2024 - Wiley Online Library
Although the phenomenon of memory formation and recall associated with the use of
psychotropic drugs has been extensively studied, mechanisms underlying memories for …

[HTML][HTML] An inhibitory circuit-based enhancer of Dyrk1a function reverses Dyrk1a-associated impairment in social recognition

YT Shih, JB Alipio, A Sahay - Neuron, 2023 - cell.com
Heterozygous mutations in the dual-specificity tyrosine phosphorylation-regulated kinase 1a
(Dyrk1a) gene define a syndromic form of autism spectrum disorder. The synaptic and circuit …

[HTML][HTML] Transgenic modeling of Ndr2 gene amplification reveals disturbance of hippocampus circuitry and function

DA Madencioglu, G Çalışkan, P Yuanxiang, K Rehberg… - Iscience, 2021 - cell.com
Duplications and deletions of short chromosomal fragments are increasingly recognized as
the cause for rare neurodevelopmental conditions and disorders. The NDR2 gene encodes …

[HTML][HTML] Paving the Way for Memory Enhancement: Development and Examination of a Neurofeedback System Targeting the Medial Temporal Lobe

K Koizumi, N Kunii, K Ueda, K Nagata, S Fujitani… - Biomedicines, 2023 - mdpi.com
Neurofeedback (NF) shows promise in enhancing memory, but its application to the medial
temporal lobe (MTL) still needs to be studied. Therefore, we aimed to develop an NF system …

[HTML][HTML] A theory of hippocampal theta correlations accounting for extrinsic and intrinsic sequences

YH Yiu, C Leibold - Elife, 2023 - elifesciences.org
Hippocampal place cell sequences have been hypothesized to serve as diverse purposes
as the induction of synaptic plasticity, formation and consolidation of long-term memories, or …

Distinct roles of dentate gyrus and medial entorhinal cortex inputs for phase precession and temporal correlations in the hippocampal ca3 area

S Ahmadi, T Sasaki, M Sabariego, C Leibold… - bioRxiv, 2022 - biorxiv.org
The hippocampal CA3 subregion is a densely connected recurrent circuit that supports
memory consolidation and retrieval by generating and storing sequential neuronal activity …