Lateral entorhinal, perirhinal, and amygdala-entorhinal transition projections to hippocampal CA1 and dentate gyrus in the rat: a current source density study.

abstract：:To investigate involvement of the hippocampal formation in spatial information processing, activity of neurons in the hippocampal formation of the conscious monkey was recorded during presentation of various visual and auditory stimuli from several directions around the monkey. Of 1,047 neurons recorded, 106 (10.1%) r...

journal_title：Hippocampus

authors： Tamura R,Ono T,Fukuda M,Nakamura K

更新日期：1992-07-01 00:00:00

abstract：:Structural integrity of the human hippocampus is widely acknowledged to be necessary for the successful encoding and retrieval of autobiographical memories. However, evidence for an association between hippocampal volume and the ability to recall such memories in healthy individuals is mixed. Here we examined this iss...

journal_title：Hippocampus

authors： Barry DN,Clark IA,Maguire EA

更新日期：2020-12-15 00:00:00

abstract：:We analyzed intracranial electroencephalographic (EEG) recordings from the medial temporal lobes of 12 epilepsy patients during a continuous word recognition paradigm, contrasting trials of correctly recognized repeated words (hits) and correctly identified new words (correct rejections). Using a wavelet-based analysi...

journal_title：Hippocampus

authors： Mormann F,Fell J,Axmacher N,Weber B,Lehnertz K,Elger CE,Fernández G

更新日期：2005-01-01 00:00:00

abstract：:Granule cells of the mouse fascia dentata are widely used in studies on neuronal development and plasticity. In contrast to the rat, however, high-resolution morphometric data on these cells are scarce. Thus, we have analyzed granule cells in the fascia dentata of the adult Thy1-GFP mouse (C57BL/6 background). In this...

journal_title：Hippocampus

authors： Vuksic M,Del Turco D,Bas Orth C,Burbach GJ,Feng G,Müller CM,Schwarzacher SW,Deller T

更新日期：2008-01-01 00:00:00

abstract：:Our model of the spatial and temporal aspects of place cell firing and their role in rat navigation is reviewed. The model provides a candidate mechanism, at the level of individual cells, by which place cell information concerning self-localization could be used to guide navigation to previously visited reward sites....

journal_title：Hippocampus

authors： Burgess N,O'Keefe J

更新日期：1996-01-01 00:00:00

abstract：:Septal nuclei are suggested to work as an interface between the hippocampal formation, involved in higher cognitive functions, and the hypothalamus, involved in motivational behaviors such as feeding, drinking, and intracranial self-stimulation. In the present study, to elucidate a role of the septal nuclei in motivat...

journal_title：Hippocampus

authors： Nishijo H,Kita T,Tamura R,Eifuku S,Terasawa K,Ono T

更新日期：1997-01-01 00:00:00

abstract：:Two recent meta-analyses, drawing on data from many of the same studies with monkeys, reached different conclusions about the relationship between hippocampal damage and recognition memory performance. Both studies found evidence of recognition memory impairment following hippocampal damage. However, Zola et al. (J Ne...

journal_title：Hippocampus

authors： Zola SM,Squire LR

更新日期：2001-01-01 00:00:00

abstract：:Animal studies on the effects of chronic variable stress during the peripubertal-juvenile period on hippocampal structure and function are lacking. Twenty-eight-day-old Sprague-Dawley rats were subjected to random, variable physical or social stress regimens for 4 weeks. Hippocampal volume was found to continue to gro...

journal_title：Hippocampus

authors： Isgor C,Kabbaj M,Akil H,Watson SJ

更新日期：2004-01-01 00:00:00

abstract：:Hippocampal synaptic plasticity comprises a key cellular mechanism for information storage. In the hippocampus, both long-term potentiation (LTP) and long-term depression (LTD) are triggered by synaptic Ca2+ -elevations that are typically mediated by the opening of voltage-gated cation channels, such as N-methyl-d-asp...

journal_title：Hippocampus

authors： Jansen S,Gottschling C,Faissner A,Manahan-Vaughan D

更新日期：2017-08-01 00:00:00

abstract：:Watermaze tests of place learning and memory in rodents and corresponding reverse-translated human paradigms in real or virtual environments are key tools to study hippocampal function. In common variants, the animal or human participant has to find a hidden goal that remains in the same place over many trials, allowi...

journal_title：Hippocampus

authors： Buckley MG,Bast T

更新日期：2018-11-01 00:00:00

abstract：:Although there are many types of epilepsy, temporal lobe epilepsy (TLE) is probably in humans the most common and most often studied. TLE represents 40% of the total epilepsy form of the disease and is difficult to treat. Despite a wealth of descriptive data obtained from the disease history of patients, the EEG recor...

journal_title：Hippocampus

authors： Mériaux C,Franck J,Park DB,Quanico J,Kim YH,Chung CK,Park YM,Steinbusch H,Salzet M,Fournier I

更新日期：2014-06-01 00:00:00

abstract：:The rodent hippocampus expresses a variety of neuronal network oscillations depending on the behavioral state of the animal. Locomotion and active exploration are accompanied by theta-nested gamma oscillations while resting states and slow-wave sleep are dominated by intermittent sharp wave-ripple complexes. It is bel...

journal_title：Hippocampus

authors： Geschwill P,Kaiser ME,Grube P,Lehmann N,Thome C,Draguhn A,Hollnagel JO,Both M

更新日期：2020-10-01 00:00:00

abstract：:The ERK/MAPK signaling pathway has been extensively studied in the context of learning and memory. Defects in this pathway underlie genetic diseases associated with intellectual disability, including impaired learning and memory. Numerous studies have investigated the impact of acute ERK/MAPK inhibition on long-term p...

journal_title：Hippocampus

authors： Vithayathil J,Pucilowska J,Friel D,Landreth GE

更新日期：2017-12-01 00:00:00

abstract：:Previous work has shown that the dorsal hippocampus has greater activity than ventral regions during place navigation. Exposure to a novel context has also been found to increase hippocampal activation, possibly due to increased spatial demands. However, activation patterns in dorsal and ventral regions have not been ...

journal_title：Hippocampus

authors： Lee JQ,Demchuk AM,Morgan E,McHugh R,McNaughton BL,Sutherland RJ,McDonald RJ

更新日期：2019-11-01 00:00:00

abstract：:Information storage in the brain is a temporally graded process involving different memory types or phases. It has been assumed for over a century that one or more short-term memory (STM) processes are involved in processing new information while long-term memory (LTM) is being formed. Because brain-derived neutrophic...

journal_title：Hippocampus

authors： Alonso M,Vianna MR,Depino AM,Mello e Souza T,Pereira P,Szapiro G,Viola H,Pitossi F,Izquierdo I,Medina JH

更新日期：2002-01-01 00:00:00

abstract：:In the present study, 93 cells in the superior colliculus (SC) were recorded extracellularly during the simultaneous occurrence of spontaneous theta field activity, sensory-induced (tail pinch) theta field activity, and large amplitude irregular (LIA) field activity, recorded from an electrode located in the stratum m...

journal_title：Hippocampus

authors： Natsume K,Hallworth NE,Szgatti TL,Bland BH

更新日期：1999-01-01 00:00:00

abstract：:Multiple factors are involved in the glutamate-induced excitotoxicity phenomenon, such as overload of ionotropic and metabotropic receptors, excess Ca(2+) influx, nitric oxide synthase activation, oxidative damage due to increase in free radicals, and release of endogenous polyamine, among others. In order to attempt ...

journal_title：Hippocampus

authors： Ortuño-Sahagún D,Rivera-Cervantes MC,Gudiño-Cabrera G,Junyent F,Verdaguer E,Auladell C,Pallàs M,Camins A,Beas-Zárate C

更新日期：2012-02-01 00:00:00

abstract：:The retrosplenial cortex is situated at the crossroads between the hippocampal formation and many areas of the neocortex, but few studies have examined the connections between the hippocampal formation and the retrosplenial cortex in detail. Each subdivision of the retrosplenial cortex projects to a discrete terminal ...

journal_title：Hippocampus

authors： Wyss JM,Van Groen T

更新日期：1992-01-01 00:00:00

abstract：:Anatomical and electrophysiological studies collectively suggest that the entorhinal cortex consists of several subregions, each of which is involved in the processing of different types of information. Consistent with this idea, we previously reported that the dorsolateral portion of the entorhinal cortex (DLE), but ...

journal_title：Hippocampus

authors： Tanninen SE,Yu X,Giritharan T,Tran L,Bakir R,Volle J,Morrissey MD,Takehara-Nishiuchi K

更新日期：2015-11-01 00:00:00

abstract：:In this article, we present a framework to perform statistical shape analysis for segmented hippocampi, including an efficient permutation test for detecting subtle class differences, and a regularized discriminative direction method for visualizing the shape discrepancy. Fisher permutation and bootstrap tests are pre...

journal_title：Hippocampus

authors： Zhou L,Lieby P,Barnes N,Réglade-Meslin C,Walker J,Cherbuin N,Hartley R

更新日期：2009-06-01 00:00:00

abstract：:Individual variation in the attribution of motivational salience to reward-related cues is believed to underlie addiction vulnerability. Pavlovian conditioned approach measures individual variation in motivational salience by identifying rats that are attracted to and motivated by reward cues (sign-trackers) or motiva...

journal_title：Hippocampus

authors： Fitzpatrick CJ,Creeden JF,Perrine SA,Morrow JD

更新日期：2016-11-01 00:00:00

abstract：:A large body of neuroscientific work indicates that exposure to experienced stress causes damage to both cortical and hippocampal cells and results in impairments to cognitive abilities associated with these structures. Similarly, work within the domain of cognitive aging demonstrates that elderly participants who rep...

journal_title：Hippocampus

authors： Marshall AC,Cooper NR,Geeraert N

更新日期：2016-03-01 00:00:00

abstract：:The survival of adult-born dentate gyrus granule cells critically depends on their synaptic integration into the existing neuronal network. Excitatory inputs are thought to increase the survival rate of adult born neurons. Therefore, whether enhancing the stability of newly formed excitatory synapses by overexpressing...

journal_title：Hippocampus

authors： Doengi M,Krupp AJ,Körber N,Stein V

更新日期：2016-03-01 00:00:00

abstract：:Rats use time-of-day cues to modulate learned taste aversion memories. If adult rats are accustomed to drinking saline in the evening and they receive a lithium chloride injection after drinking saline in the morning, they form a stronger aversion to saline than rats that were conditioned after drinking saline at the ...

journal_title：Hippocampus

authors： Manrique T,Morón I,Ballesteros MA,Guerrero RM,Fenton AA,Gallo M

更新日期：2009-01-01 00:00:00

abstract：:Nearby grid cells have been observed to express a remarkable degree of long-range order, which is often idealized as extending potentially to infinity. Yet their strict periodic firing and ensemble coherence are theoretically possible only in flat environments, much unlike the burrows which rodents usually live in. Ar...

journal_title：Hippocampus

authors： Stella F,Urdapilleta E,Luo Y,Treves A

更新日期：2020-04-01 00:00:00

abstract：:We have shown previously that chronic nicotine treatment reverses adult-onset hypothyroidism-induced impairment of late-phase long-term potentiation (L-LTP) in area CA1 of the hippocampus. In the present study, basal and stimulated levels of signaling molecules essential for the expression of L-LTP were determined in ...

journal_title：Hippocampus

authors： Alzoubi KH,Aleisa AM,Alkadhi KA

更新日期：2007-01-01 00:00:00

abstract：:Recent evidence suggests that activity-regulated cytoskeleton associated protein (Arc) and brain-derived neurotrophic factor (BDNF) are key players in the cellular mechanisms that trigger synaptic changes and memory consolidation. Cholinergic deafferentiation of hippocampus has been largely shown to induce memory impa...

journal_title：Hippocampus

authors： Gil-Bea FJ,Solas M,Mateos L,Winblad B,Ramírez MJ,Cedazo-Mínguez A

更新日期：2011-09-01 00:00:00

abstract：:Vasopressin receptors are present in both the developing and mature dentate gyrus of the rat brain and are of the V1 vasopressor type. Because vasopressin has been shown to influence memory function when injected into the dentate gyrus, the influence of this peptide on an electrophysiological model of learning and mem...

journal_title：Hippocampus

authors： Chen C,Díaz Brinton RD,Shors TJ,Thompson RF

更新日期：1993-04-01 00:00:00

abstract：:Exposing rats to an enriched environment over an extended period of time has been shown to enhance hippocampal long-term potentiation (LTP). Whether such prolonged exposure to environmental manipulation is necessary for LTP enhancement and whether the environmentally induced enhancement can persist long after the cess...

journal_title：Hippocampus

authors： Tang AC,Zou B

更新日期：2002-01-01 00:00:00

abstract：:A couple of papers indicate that patients with depression show a decrease in serum neuropeptide Y (NPY). To study the role of NPY in depression, we examined the effects of infusion of NPY into the hippocampus of learned helplessness (LH) rats (an animal model of depression). Infusion of NPY into the cerebral ventricle...

journal_title：Hippocampus

authors： Ishida H,Shirayama Y,Iwata M,Katayama S,Yamamoto A,Kawahara R,Nakagome K

更新日期：2007-01-01 00:00:00