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 2021-11-01 to 2025-11-01.)

Article	Citations
Issue Information ‐ TOC	57
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Issue Information ‐ TOC	48
Issue Information ‐ Editorial Board	44
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Adult neurogenesis in Alzheimer's disease	34
Field EPSPs of Dentate Gyrus Granule Cells Studied by Selective Optogenetic Activation of Hilar Mossy Cells in Hippocampal Slices	30
17β‐Estradiol reduces inhibitory synaptic currents in entorhinal cortex neurons through G protein‐coupled estrogen receptor‐1 activation of extracellular signal‐regulated kinase	30
Dominant role of adult neurogenesis‐induced structural heterogeneities in driving plasticity heterogeneity in dentate gyrus granule cells	29
Modulation of lateral septal and dorsomedial striatal neurons by hippocampal sharp‐wave ripples, theta rhythm, and running speed	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	25
Environmental enrichment and social isolation modulate inhibitory transmission and plasticity in hippocampal area CA2	23
Long‐term depression induction and maintenance across regions of the apical branch of CA1 dendrites	23
Neuronal activity‐related transcription is blunted in immature compared to mature dentate granule cells	23
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The retrosplenial cortex of Carollia perspicillata, Seba's short‐tailed fruit bat	22
Issue Information ‐ Editorial Board	21
Issue Information ‐ TOC	21
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Issue Information ‐ Editorial Board	19
Frequency–dependency of the involvement of dopamine D1/D5 and beta‐adrenergic receptors in hippocampal LTD triggered by locus coeruleus stimulation	18
Inferior and Middle Longitudinal Fasciculus and Fornix Support Allocentric Representation	18
A combined DTI‐fMRI approach for optimizing the delineation of posteromedial versus anterolateral entorhinal cortex	18
Differentiated Presynaptic Input to OLMɑ2 Cells Along the Hippocampal Dorsoventral Axis: Implications for Hippocampal Microcircuit Function	18

Organization of projections from the entorhinal cortex to the hippocampal formation of the Egyptian fruit bat Rousettus aegyptiacus	16
Comparison of head direction cell firing characteristics across thalamo‐parahippocampal circuitry	15
Comparison of histological delineations of medial temporal lobe cortices by four independent neuroanatomy laboratories	15
Brain Networks Differ According to Levels of Interference in Spatiotemporal Processing	14
Hippocampal spatial view cells, place cells, and concept cells: View representations	14
Issue Information ‐ TOC	14
Long‐Term Potentiation: The Accidental Discovery	14
The medial entorhinal cortex is necessary for the stimulus control over hippocampal place fields by distal, but not proximal, landmarks	13
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Regular aerobic exercise is positively associated with hippocampal structure and function in young and middle‐aged adults	13
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Issue Information ‐ TOC	13
Effects of healthy aging and mnemonic strategies on verbal memory performance across the adult lifespan: Mediating role of posterior hippocampus	12
Associations Between Episodic Memory and Hippocampal Volume in Late Adulthood	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
CA3–CA1 long‐term potentiation occurs regardless of respiration and cardiac cycle phases in urethane‐anesthetized rats	12
Issue Information ‐ Editorial Board	12
The fibro‐ and cyto‐architecture demarcating the border between the dentate gyrus and CA3 in sheep (Ovis aries) and domestic pig (Sus scrofa domesticus)	12
The hippocampus supports high‐precision binding in visual working memory	11
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Complementary representations of time in the prefrontal cortex and hippocampus	11
Issue Information ‐ TOC	11
Issue Information ‐ Editorial Board	11
Issue Information ‐ TOC	11
Extended trajectory of spatial memory errors in typical and atypical development: The role of binding and precision	11
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The analysis of H.M.'s brain: A brief review of status and plans for future studies and tissue archive	10
Issue Information ‐ Editorial Board	10
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Transcranial Direct Current Stimulation Over Bilateral Temporal Lobes Modulates Hippocampal‐Occipital Functional Connectivity and Visual Short‐Term Memory Precision	10
NMDA receptor activity during postnatal development determines intrinsic excitability and mossy fiber long‐term potentiation of CA3 pyramidal cells	9
Hippocampal storage and recall of neocortical “What”–“Where” representations	9
Unpacking the Medial Temporal Lobe: Separating Recollection and Familiarity	9
Issue Information ‐ TOC	9
Perceived plausibility modulates hippocampal activity in episodic counterfactual thinking	9
Gradual decorrelation of CA3 ensembles associated with contextual discrimination learning is impaired by Kv1.2 insufficiency	9
Neuroplastic changes inc‐Fos,ΔFosB,BDNF,trkB, and Arc expression in the hippocampus of male Roman rats: differential effects of sexual activity	9
Distinct engrams control fear and extinction memory	9
Hippocampal spatial view cells for memory and navigation, and their underlying connectivity in humans	9
Issue Information ‐ Editorial Board	8
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Issue Information – TOC	8
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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	7
A meta‐analysis of the relation between hippocampal volume and memory ability in typically developing children and adolescents	7
Altered Coding of Environmental Boundaries in Human Aging: An fMRI Study	7

Molecular mechanisms underpinning deconditioning‐update in fear memory	7
Issue Information ‐ Editorial Board	7
New hues for CA2	7
A place with a view: A first‐person perspective in the hippocampal memory space	7
Curved multiplanar reformatting allows the accurate histological delineation of hippocampal subfields	7
Correction to “A complex relation between levels of adult hippocampal neurogenesis and expression of the immature neuron marker doublecortin”	7
Knockout of NMDARs in CA1 and dentate gyrus fails to impair temporal control of conditioned behavior in mice	6
Tau PET Burden Is Associated With Hippocampal Microstructure and Episodic Memory in Amyloid Positive Older Adults	6
An integrative view of human hippocampal function: Differences with other species and capacity considerations	6
Properties and hemispheric differences of theta oscillations in the human hippocampus	6
Abnormal Astrocyte Heterogeneity in the Dentate Gyrus of Rats Prone to Audiogenic Seizures Can Be Corrected by the Nootropic Drug Piracetam	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
Correction to “Gradual decorrelation of CA3 ensembles associated with contextual discrimination learning is impaired by Kv1.2 insufficiency”	6
Automated protocols for delineating human hippocampal subfields from 3 Tesla and 7 Tesla magnetic resonance imaging data	6
Loss of individualized behavioral trajectories in adult neurogenesis‐deficient cyclin D2 knockout mice	6
Distinct roles of Bdnf I and Bdnf IV transcript variant expression in hippocampal neurons	6
Issue Information ‐ Editorial Board	6
Issue Information ‐ TOC	5
Associations between cortical β‐amyloid burden, fornix microstructure and cognitive processing of faces, places, bodies and other visual objects in early Alzheimer's disease	5
Coumestrol pre‐treatment improves spatial learning and memory deficits following transient cerebral ischemia recruiting hippocampal GluR2 AMPA receptors	5
Changes in Naturalistic Viewing in Healthy Aging and Amnestic Mild Cognitive Impairment	5
Chronic α5‐GABA‐A Receptor Potentiation Promotes Mouse Adult Hippocampal Neurogenesis	5
Issue Information ‐ Editorial Board	5
Issue Information ‐ TOC	5
Dissecting the Hippocampal Regulation of Approach‐Avoidance Conflict: Integrative Perspectives From Optogenetics, Stress Response, and Epigenetics	5
Cholinergic and behavior‐dependent beta and gamma waves are coupled between olfactory bulb and hippocampus	5
Issue Information ‐ TOC	5
The Anatomy of Context	5
AMPA and NMDA receptors in dentate gyrus mediate memory for sucrose in two port discrimination task	5
Defining hippocampal area CA2 in the fox (Vulpes vulpes) brain	5
The Modulation by the Locus Coeruleus of Recent and Remote Memory Retrieval is Activity‐Dependent	5
Postsynaptic GABA_B‐receptor mediated currents in diverse dentate gyrus interneuron types	5
Impacted spike frequency adaptation associated with reduction of KCNQ2/3 exacerbates seizure activity in temporal lobe epilepsy	5
Issue Information ‐ Editorial Board	5
Postnatal development of hippocampal CA2 structure and function during the emergence of social recognition of peers	5