Results 301 to 310 of about 249,413 (328)
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Anatomy of the Avian Hippocampal Formation
Reviews in the Neurosciences, 2006Increasing knowledge of the avian hippocampal formation (hippocampus and parahippocampal area) suggests that it plays a role in a variety of behaviors, such as homing, cache retrieving, visual discrimination, imprinting, and sexual behavior. Knowledge of the neural circuits in the hippocampal formation and its related areas or nuclei is important for ...
Yasuro, Atoji, J Martin, Wild
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Golgi study on cat hippocampal formation
Anatomy and Embryology, 1978The Golgi architecture of the Fascia dentata and hippocampus is described in the cat. The main cell types are like those found in other species. The initial collaterals of granule cell axons were demonstrated and are commented on. The interneurons proved to be of several types and subtypes not observed in lower species.
T, Tömböl, G, Somogyi, F, Hajdu
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Hippocampal Memory Formation Revisited
Science's STKE, 2005What is the role of the hippocampus in spatial representation versus representation of episodic and other nonspatial information? Leutgeb et al. (see the Perspective by Buzsáki) find that hippocampal neurons have independent coding schemes for location and for what happens at a location. Changes in spatial location
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Perineuronal satellitosis in the human hippocampal formation
Hippocampus, 1993AbstractA previously unreported example of perineuronal satellitosis in the medial CA1 and adjacent subiculum in the human hippocampal formation is described. This phenomenon is characterized by a clustering of glial cells in relation to the perikarya of a subpopulation of neurons in the deep pyramidal layer and around most neurons scattered in the ...
V K, Vijayan +5 more
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Two P300 generators in the hippocampal formation
Hippocampus, 2009AbstractThe presentation of rare target stimuli results in P300 scalp event‐related potentials (ERPs). Generators of this ERP component were found in various brain areas, indicating that multiple cortical and subcortical areas subserve target detection. One of these structures is the mediotemporal lobe (MTL). In the hippocampus, large negative MTL‐P300
Eva, Ludowig +3 more
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Hippocampal Formation Theta Activity and Movement Selection
Neuroscience & Biobehavioral Reviews, 1998Hippocampal theta activity results from activation in the ascending synchronizing system. It occurs during sensory/signal processing prior to and coincident with voluntary movements in mammals. The experiments summarized here suggest that it is involved in the organization of motor behaviour.
S D, Oddie, B H, Bland
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The avian hippocampal formation: subdivisions and connectivity
Behavioural Brain Research, 1999The avian hippocampal formation (HP) is considered to be homologous to the mammalian hippocampus on the basis of topography, developmental origin and its role in processing spatial memory. However, the morphological organization of the avian HP is very different from that of mammals and components similar to the subdivisions of the mammalian structure ...
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Feed-forward inhibition in the hippocampal formation
Progress in Neurobiology, 1984An overview of the current literature reveals a richness and complexity of anatomical, pharmacological and physiological features of the input systems to the archicortex. Evidence is cited to demonstrate that several afferent paths terminate on and directly excite hippocampal formation interneurons ("non-principal" cells) besides their contacts with ...
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Abstract This chapter introduces the hippocampal formation. Hippocampal formation refers to a group of brain areas consisting of the dentate gyrus, hippocampus, subiculum, presubiculum, parasubiculum, and the entorhinal cortex. Clinicians concerned with the basis of neurological conditions focused on hippocampal formation because of the ...
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Development of the Hippocampal Formation
Abstract This chapter describes the developmental periods and processes that contribute to the structural maturation of hippocampal circuits. It establishes a comparative timeline describing specific developmental processes occurring in mice, rats, monkeys, and humans in order to summarize the general principles of the development of thePierre Lavenex +5 more
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