Results 31 to 40 of about 5,022,712 (233)

Meditation effects within the hippocampal complex revealed by voxel-based morphometry and cytoarchitectonic probabilistic mapping. [PDF]

open access: yes, 2013
Scientific studies addressing anatomical variations in meditators' brains have emerged rapidly over the last few years, where significant links are most frequently reported with respect to gray matter (GM).
Gaser, Christian   +4 more
core   +2 more sources

The Avian Hippocampal Formation and the Stress Response

open access: yesBrain, Behavior and Evolution, 2017
Though widely studied for its function in memory and navigation, the hippocampal formation (HF) in mammals also plays an important role in regulating the stress response.
T. Smulders
semanticscholar   +1 more source

Morphological Study of the Entorhinal Cortex, Hippocampal Formation, and Basal Ganglia in Rett Syndrome Patients

open access: yesNeurobiology of Disease, 1999
Entorhinal cortex (EC), fascia dentata (FD), hippocampus (HP), and basal ganglia (BG) were studied in Rett syndrome (RS) cases and compared with control brains and an autism case. Kluver–Barrera and Golgi methods were used. In RS most of the areas of EC,
Tatiana A. Leontovich   +3 more
doaj   +1 more source

Change in background context disrupts performance on visual paired comparison following hippocampal damage [PDF]

open access: yes, 2009
The medial temporal lobe plays a critical role in recognition memory but, within the medial temporal lobe, the precise neural structures underlying recognition memory remain equivocal. in this study, visual paired comparison (VPC) was used to investigate
Bachevalier, J.   +3 more
core   +3 more sources

Maternal Exercise during Pregnancy Increases BDNF Levels and Cell Numbers in the Hippocampal Formation but Not in the Cerebral Cortex of Adult Rat Offspring

open access: yesPLoS ONE, 2016
Clinical evidence has shown that physical exercise during pregnancy may alter brain development and improve cognitive function of offspring. However, the mechanisms through which maternal exercise might promote such effects are not well understood.
S. Gomes da Silva   +8 more
semanticscholar   +1 more source

Hippocampal lesions impair rapid learning of a continuous spatial alternation task. [PDF]

open access: yesPLoS ONE, 2009
The hippocampus is essential for the formation of memories for events, but the specific features of hippocampal neural activity that support memory formation are not yet understood.
Steve M Kim, Loren M Frank
doaj   +1 more source

Morris Water Maze Learning in Two Rat Strains Increases the Expression of the Polysialylated Form of the Neural Cell Adhesion Molecule in the Dentate Gyrus But Has No Effect on Hippocampal Neurogenesis [PDF]

open access: yes, 2005
In the current study, the authors investigated whether Morris water maze learning induces alterations in hippocampal neurogenesis or neural cell adhesion molecule (NCAM) polysialylation in the dentate gyrus.
Borght, Karin van der,   +4 more
core   +3 more sources

Food restriction reduces neurogenesis in the avian hippocampal formation

open access: yesPLoS ONE, 2017
The mammalian hippocampus is particularly vulnerable to chronic stress. Adult neurogenesis in the dentate gyrus is suppressed by chronic stress and by administration of glucocorticoid hormones.
B. Robertson   +8 more
semanticscholar   +1 more source

Adult Hippocampal Neurogenesis: Regulation and Possible Functional and Clinical Correlates

open access: yesFrontiers in Neuroanatomy, 2018
The formation of new neurons in the adult central nervous system (CNS) has been recognized as one of the major findings in neuroanatomical research. The hippocampal formation (HF), one of the main targets of these investigations, holds a neurogenic niche
Pedro Baptista   +2 more
doaj   +1 more source

Hippocampal Somatostatin Interneurons, Long-Term Synaptic Plasticity and Memory

open access: yesFrontiers in Neural Circuits, 2021
A distinctive feature of the hippocampal structure is the diversity of inhibitory interneurons. These complex inhibitory interconnections largely contribute to the tight modulation of hippocampal circuitry, as well as to the formation and coordination of
Eve Honoré   +3 more
doaj   +1 more source

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