OOIR: Observatory of International Research

Papers

(The TQCC of Hippocampus is 5. 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 2021-08-01 to 2025-08-01.)

Article	Citations
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17β‐Estradiol reduces inhibitory synaptic currents in entorhinal cortex neurons through G protein‐coupled estrogen receptor‐1 activation of extracellular signal‐regulated kinase	31
Long‐term depression induction and maintenance across regions of the apical branch of CA1 dendrites	28
Anticonvulsant effect of equilibrative nucleoside transporters 1 inhibitor in a mouse model of Dravet syndrome	27
Low rate hippocampal delay period activity encodes behavioral experience	26
Environmental enrichment and social isolation modulate inhibitory transmission and plasticity in hippocampal area CA2	23
Field EPSPs of Dentate Gyrus Granule Cells Studied by Selective Optogenetic Activation of Hilar Mossy Cells in Hippocampal Slices	22
Modulation of lateral septal and dorsomedial striatal neurons by hippocampal sharp‐wave ripples, theta rhythm, and running speed	22
Dominant role of adult neurogenesis‐induced structural heterogeneities in driving plasticity heterogeneity in dentate gyrus granule cells	22
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Adult neurogenesis in Alzheimer's disease	21
Organization of projections from the entorhinal cortex to the hippocampal formation of the Egyptian fruit bat Rousettus aegyptiacus	20
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Neuronal activity‐related transcription is blunted in immature compared to mature dentate granule cells	19
Comparison of head direction cell firing characteristics across thalamo‐parahippocampal circuitry	18
Issue Information ‐ Editorial Board	17
A combined DTI‐fMRI approach for optimizing the delineation of posteromedial versus anterolateral entorhinal cortex	17
The retrosplenial cortex of Carollia perspicillata, Seba's short‐tailed fruit bat	17
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Frequency–dependency of the involvement of dopamine D1/D5 and beta‐adrenergic receptors in hippocampal LTD triggered by locus coeruleus stimulation	16

Comparison of histological delineations of medial temporal lobe cortices by four independent neuroanatomy laboratories	15
Long‐Term Potentiation: The Accidental Discovery	15
Hippocampal spatial view cells, place cells, and concept cells: View representations	15
Issue Information ‐ TOC	14
Cover Image, Volume 31, Issue 9	13
Regular aerobic exercise is positively associated with hippocampal structure and function in young and middle‐aged adults	13
The medial entorhinal cortex is necessary for the stimulus control over hippocampal place fields by distal, but not proximal, landmarks	13
Extended trajectory of spatial memory errors in typical and atypical development: The role of binding and precision	12
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Complementary representations of time in the prefrontal cortex and hippocampus	12
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Brain Networks Differ According to Levels of Interference in Spatiotemporal Processing	12
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CA3–CA1 long‐term potentiation occurs regardless of respiration and cardiac cycle phases in urethane‐anesthetized rats	11
The hippocampus supports high‐precision binding in visual working memory	11
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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	11
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Associations Between Episodic Memory and Hippocampal Volume in Late Adulthood	11
The fibro‐ and cyto‐architecture demarcating the border between the dentate gyrus and CA3 in sheep (Ovis aries) and domestic pig (Sus scrofa domesticus)	11
Effects of healthy aging and mnemonic strategies on verbal memory performance across the adult lifespan: Mediating role of posterior hippocampus	11
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Hippocampal spatial view cells for memory and navigation, and their underlying connectivity in humans	9
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Transcranial Direct Current Stimulation Over Bilateral Temporal Lobes Modulates Hippocampal‐Occipital Functional Connectivity and Visual Short‐Term Memory Precision	9
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The analysis of H.M.'s brain: A brief review of status and plans for future studies and tissue archive	9
Hippocampal storage and recall of neocortical “What”–“Where” representations	9
Perceived plausibility modulates hippocampal activity in episodic counterfactual thinking	8
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Distinct engrams control fear and extinction memory	8
Gradual decorrelation of CA3 ensembles associated with contextual discrimination learning is impaired by Kv1.2 insufficiency	8
Curved multiplanar reformatting allows the accurate histological delineation of hippocampal subfields	8
Issue Information ‐ Editorial Board	8
Neuroplastic changes inc‐Fos,ΔFosB,BDNF,trkB, and Arc expression in the hippocampus of male Roman rats: differential effects of sexual activity	8
NMDA receptor activity during postnatal development determines intrinsic excitability and mossy fiber long‐term potentiation of CA3 pyramidal cells	8
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New hues for CA2	7
Issue Information ‐ Editorial Board	7
Correction to “A complex relation between levels of adult hippocampal neurogenesis and expression of the immature neuron marker doublecortin”	7

A meta‐analysis of the relation between hippocampal volume and memory ability in typically developing children and adolescents	7
A place with a view: A first‐person perspective in the hippocampal memory space	6
Impaired perceptual discrimination of complex objects in older adults at risk for dementia	6
In vivo structural connectivity of the reward system along the hippocampal long axis	6
Abnormal Astrocyte Heterogeneity in the Dentate Gyrus of Rats Prone to Audiogenic Seizures Can Be Corrected by the Nootropic Drug Piracetam	6
Aberrant slow waves in the hippocampus during activation in mice with low cholinergic tone	6
Molecular mechanisms underpinning deconditioning‐update in fear memory	6
Loss of individualized behavioral trajectories in adult neurogenesis‐deficient cyclin D2 knockout mice	6
An integrative view of human hippocampal function: Differences with other species and capacity considerations	6
Knockout of NMDARs in CA1 and dentate gyrus fails to impair temporal control of conditioned behavior in mice	6
Automated protocols for delineating human hippocampal subfields from 3 Tesla and 7 Tesla magnetic resonance imaging data	6
Issue Information ‐ Editorial Board	6
Distinct roles of Bdnf I and Bdnf IV transcript variant expression in hippocampal neurons	6
Postnatal development of hippocampal CA2 structure and function during the emergence of social recognition of peers	5
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Properties and hemispheric differences of theta oscillations in the human hippocampus	5
AMPA and NMDA receptors in dentate gyrus mediate memory for sucrose in two port discrimination task	5
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Silencing hippocampal CA2 reduces behavioral flexibility in spatial learning	5
Impacted spike frequency adaptation associated with reduction of KCNQ2/3 exacerbates seizure activity in temporal lobe epilepsy	5
Correction to “Gradual decorrelation of CA3 ensembles associated with contextual discrimination learning is impaired by Kv1.2 insufficiency”	5
Issue Information ‐ Editorial Board	5
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The Anatomy of Context	5
Chronic α5‐GABA‐A Receptor Potentiation Promotes Mouse Adult Hippocampal Neurogenesis	5
Postsynaptic GABA_B‐receptor mediated currents in diverse dentate gyrus interneuron types	5
Coumestrol pre‐treatment improves spatial learning and memory deficits following transient cerebral ischemia recruiting hippocampal GluR2 AMPA receptors	5
Cholinergic and behavior‐dependent beta and gamma waves are coupled between olfactory bulb and hippocampus	5
Issue Information ‐ Editorial Board	5
Mechanisms of mGluR‐dependent plasticity in hippocampal area CA2	5