OOIR: Observatory of International Research

Papers

(The TQCC of Hippocampus is 6. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-05-01 to 2026-05-01.)

Article	Citations
Issue Information ‐ TOC	68
Issue Information ‐ TOC	62
Issue Information ‐ Editorial Board	47
	41
Low rate hippocampal delay period activity encodes behavioral experience	36
Adult neurogenesis in Alzheimer's disease	34
Examining the Three‐Dimensional Spatial Architecture of Mouse Amygdala Engram Ensembles	32
Issue Information ‐ Editorial Board	31
Field EPSPs of Dentate Gyrus Granule Cells Studied by Selective Optogenetic Activation of Hilar Mossy Cells in Hippocampal Slices	26
Environmental enrichment and social isolation modulate inhibitory transmission and plasticity in hippocampal area CA2	26
Anticonvulsant effect of equilibrative nucleoside transporters 1 inhibitor in a mouse model of Dravet syndrome	26
Long‐term depression induction and maintenance across regions of the apical branch of CA1 dendrites	25
17β‐Estradiol reduces inhibitory synaptic currents in entorhinal cortex neurons through G protein‐coupled estrogen receptor‐1 activation of extracellular signal‐regulated kinase	24
Dominant role of adult neurogenesis‐induced structural heterogeneities in driving plasticity heterogeneity in dentate gyrus granule cells	23
Comparison of head direction cell firing characteristics across thalamo‐parahippocampal circuitry	22
Organization of projections from the entorhinal cortex to the hippocampal formation of the Egyptian fruit bat Rousettus aegyptiacus	20
The retrosplenial cortex of Carollia perspicillata, Seba's short‐tailed fruit bat	20
Issue Information ‐ TOC	20
	20
Issue Information ‐ Editorial Board	19
Issue Information ‐ Editorial Board	19
A combined DTI‐fMRI approach for optimizing the delineation of posteromedial versus anterolateral entorhinal cortex	18
Long‐Term Potentiation: The Accidental Discovery	18
	17
Neuronal activity‐related transcription is blunted in immature compared to mature dentate granule cells	16

Inferior and Middle Longitudinal Fasciculus and Fornix Support Allocentric Representation	16
Differentiated Presynaptic Input to OLMɑ2 Cells Along the Hippocampal Dorsoventral Axis: Implications for Hippocampal Microcircuit Function	16
From Synaptic Plasticity and Critical Periods to Social Behavior and Stress: Getting to, and Staying in, CA2	15
Hippocampal spatial view cells, place cells, and concept cells: View representations	15
Comparison of histological delineations of medial temporal lobe cortices by four independent neuroanatomy laboratories	15
The medial entorhinal cortex is necessary for the stimulus control over hippocampal place fields by distal, but not proximal, landmarks	15
Oscillations and Boundaries in My Route Through the Hippocampal Cognitive Map	14
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Brain Networks Differ According to Levels of Interference in Spatiotemporal Processing	14
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CA3–CA1 long‐term potentiation occurs regardless of respiration and cardiac cycle phases in urethane‐anesthetized rats	13
Issue Information ‐ TOC	13
Extended trajectory of spatial memory errors in typical and atypical development: The role of binding and precision	13
Issue Information ‐ Editorial Board	13
The fibro‐ and cyto‐architecture demarcating the border between the dentate gyrus and CA3 in sheep (Ovis aries) and domestic pig (Sus scrofa domesticus)	13
	13
Hippocampal Signal Complexity Predicts Navigational Performance: Evidence From a Two‐Week VR Training Program	12
A distinct impact of repeated morphine exposure on synaptic plasticity at Schaffer collateral‐CA1, temporoammonic‐CA1, and perforant pathway‐dentate gyrus synapses along the long	12
	12
Issue Information ‐ Editorial Board	12
Complementary representations of time in the prefrontal cortex and hippocampus	12
Manipulating Engram Histone Acetylation Alters Memory Consolidation	12
Issue Information ‐ TOC	12
Associations Between Episodic Memory and Hippocampal Volume in Late Adulthood	12
Effects of healthy aging and mnemonic strategies on verbal memory performance across the adult lifespan: Mediating role of posterior hippocampus	12
	12
The analysis of H.M.'s brain: A brief review of status and plans for future studies and tissue archive	11
Distinct engrams control fear and extinction memory	11
Unpacking the Medial Temporal Lobe: Separating Recollection and Familiarity	11
Issue Information ‐ Editorial Board	11
The Dentate Gyrus Grows Throughout Life Despite Turnover of Developmentally‐Born Neurons	11
Perceived plausibility modulates hippocampal activity in episodic counterfactual thinking	11
Issue Information ‐ TOC	11
NMDA receptor activity during postnatal development determines intrinsic excitability and mossy fiber long‐term potentiation of CA3 pyramidal cells	11
	10
Neuroplastic changes inc‐Fos,ΔFosB,BDNF,trkB, and Arc expression in the hippocampus of male Roman rats: differential effects of sexual activity	10
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Hippocampal spatial view cells for memory and navigation, and their underlying connectivity in humans	10
Transcranial Direct Current Stimulation Over Bilateral Temporal Lobes Modulates Hippocampal‐Occipital Functional Connectivity and Visual Short‐Term Memory Precision	10
Hippocampal storage and recall of neocortical “What”–“Where” representations	10
Issue Information ‐ Editorial Board	9
Curved multiplanar reformatting allows the accurate histological delineation of hippocampal subfields	9
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An Accidental Journey Into the Black Hole of the Hippocampus and How We Learned About What Makes a Context a Context	9
Issue Information – TOC	9
	9
Issue Information ‐ Editorial Board	9
Knockout of NMDARs in CA1 and dentate gyrus fails to impair temporal control of conditioned behavior in mice	8
Dynamic Updating of Cognitive Maps via Traces of Experience in the Subiculum	8
Updated Neuronal Numbers of the Rat Hippocampal Formation: Redesigning the Hippocampal Model	8

Altered Coding of Environmental Boundaries in Human Aging: An fMRI Study	8
Molecular mechanisms underpinning deconditioning‐update in fear memory	8
New hues for CA2	8
Issue Information ‐ Editorial Board	7
An integrative view of human hippocampal function: Differences with other species and capacity considerations	7
Impaired perceptual discrimination of complex objects in older adults at risk for dementia	7
Correction to “A complex relation between levels of adult hippocampal neurogenesis and expression of the immature neuron marker doublecortin”	7
In vivo structural connectivity of the reward system along the hippocampal long axis	7
Automated protocols for delineating human hippocampal subfields from 3 Tesla and 7 Tesla magnetic resonance imaging data	7
Abnormal Astrocyte Heterogeneity in the Dentate Gyrus of Rats Prone to Audiogenic Seizures Can Be Corrected by the Nootropic Drug Piracetam	7
Loss of individualized behavioral trajectories in adult neurogenesis‐deficient cyclin D2 knockout mice	7
Distinct roles of Bdnf I and Bdnf IV transcript variant expression in hippocampal neurons	7
A place with a view: A first‐person perspective in the hippocampal memory space	7
Tau PET Burden Is Associated With Hippocampal Microstructure and Episodic Memory in Amyloid Positive Older Adults	7
Impacted spike frequency adaptation associated with reduction of KCNQ2/3 exacerbates seizure activity in temporal lobe epilepsy	6
Cholinergic and behavior‐dependent beta and gamma waves are coupled between olfactory bulb and hippocampus	6
Postnatal development of hippocampal CA2 structure and function during the emergence of social recognition of peers	6
Upstream CB1R Regulation of β‐Adrenergic Memory Consolidation	6
Issue Information ‐ Editorial Board	6
Changes in Naturalistic Viewing in Healthy Aging and Amnestic Mild Cognitive Impairment	6
Postsynaptic GABA_B‐receptor mediated currents in diverse dentate gyrus interneuron types	6
Issue Information ‐ Editorial Board	6
Subiculum Encodes Environmental Structure	6
	6
Hippocampal‐Prelimbic Coupling During Context‐Dependent Extinction Retrieval in Rats	6
Correction to “Gradual decorrelation of CA3 ensembles associated with contextual discrimination learning is impaired by Kv1.2 insufficiency”	6
Chronic α5‐ GABA ‐A Receptor Potentiation Promotes Mouse Adult Hippocampal Neurogenesis	6
AMPA and NMDA receptors in dentate gyrus mediate memory for sucrose in two port discrimination task	6
The Anatomy of Context	6