| Publication |
Sentence |
Publish Date |
Extraction Date |
Species |
| Marat M Rvache. An operating principle of the cerebral cortex, and a cellular mechanism for attentional trial-and-error pattern learning and useful classification extraction. Frontiers in neural circuits. vol 18. 2024-03-20. PMID:38505865. |
we modify synaptic plasticity rules to align with behavioral time scale synaptic plasticity (btsp) observed in hippocampal area ca1, making the framework more biophysically and behaviorally plausible. |
2024-03-20 |
2024-03-23 |
Not clear |
| Krista A Mitchnick, Hannah Marlatte, Zorry Belchev, Fuqiang Gao, R Shayna Rosenbau. Differential contributions of the hippocampal dentate gyrus and cornu ammonis 1 subfield to mnemonic discrimination. Hippocampus. 2024-03-19. PMID:38501294. |
here, we demonstrated dissociations in these memory processes in two unique individuals with near-selective bilateral damage within the hippocampus, affecting the dentate gyrus (dg) in case bl and the cornu ammonis 1 (ca1) subfield in case br. |
2024-03-19 |
2024-03-21 |
Not clear |
| Qiao Ye, Gocylen Gast, Erik George Wilfley, Hanh Huynh, Chelsea Hays, Todd C Holmes, Xiangmin X. Monosynaptic rabies tracing reveals sex- and age-dependent dorsal subiculum connectivity alterations in an Alzheimer's disease mouse model. The Journal of neuroscience : the official journal of the Society for Neuroscience. 2024-03-19. PMID:38503494. |
input-mapped brain regions include hippocampal subregions (ca1, ca2, ca3), medial septum and diagonal band (ms-db), retrosplenial cortex (rsc), sub, post subiculum (postsub), visual cortex (vis), auditory cortex (aud), somatosensory cortex (ss), entorhinal cortex (ec), thalamus, perirhinal cortex (prh), ectorhinal cortex (ect) and temporal association cortex (tea). |
2024-03-19 |
2024-03-23 |
mouse |
| Hadi Moatamed Jahromi, Ali Rafati, Saied Karbalay-Doust, Somaye Keshavarz, Maryam Nase. The combination treatment of hypothermia and intranasal insulin ameliorates the structural and functional changes in a rat model of traumatic brain injury. Brain structure & function. 2024-03-18. PMID:38498064. |
tbi led to an increase in the total volume of hippocampal subfields ca1 and dg and a decrease in the total number of neurons and non-neuronal cells in both sub-regions, which was associated with anxiety-like behavior and memory impairment. |
2024-03-18 |
2024-03-20 |
rat |
| Hadi Moatamed Jahromi, Ali Rafati, Saied Karbalay-Doust, Somaye Keshavarz, Maryam Nase. The combination treatment of hypothermia and intranasal insulin ameliorates the structural and functional changes in a rat model of traumatic brain injury. Brain structure & function. 2024-03-18. PMID:38498064. |
our study suggests that the combined treatment of ht and ins could prevent increased hippocampal volume and cell loss in ca1 and dg sub-regions and consequently improve anxiety-like behaviors and memory impairment following tbi. |
2024-03-18 |
2024-03-20 |
rat |
| Poornima D E Weerasinghe-Mudiyanselage, Sohi Kang, Joong-Sun Kim, Sung-Ho Kim, Hongbing Wang, Taekyun Shin, Changjong Moo. Changes in structural plasticity of hippocampal neurons in an animal model of multiple sclerosis. Zoological research. vol 45. issue 2. 2024-03-14. PMID:38485508. |
dendritic complexity was largely affected in the cornu ammonis 1 (ca1) and ca3 apical and dentate gyrus (dg) subregions of the hippocampus during the chronic phase, while this effect was only noted in the ca1 apical subregion in the early phase. |
2024-03-14 |
2024-03-17 |
mouse |
| Roy A M Haast, Sriranga Kashyap, Dimo Ivanov, Mohamed D Yousif, Jordan DeKraker, Benedikt A Poser, Ali R Kha. Insights into hippocampal perfusion using high-resolution, multi-modal 7T MRI. Proceedings of the National Academy of Sciences of the United States of America. vol 121. issue 11. 2024-03-06. PMID:38446857. |
using high-resolution 7 tesla arterial spin labeling (asl) data, we generated robust perfusion maps and observed significant variations in perfusion among hippocampal subfields, with ca1 exhibiting the lowest perfusion levels. |
2024-03-06 |
2024-03-09 |
human |
| Andrew J Mocle, Adam I Ramsaran, Alexander D Jacob, Asim J Rashid, Alessandro Luchetti, Lina M Tran, Blake A Richards, Paul W Frankland, Sheena A Jossely. Excitability mediates allocation of pre-configured ensembles to a hippocampal engram supporting contextual conditioned threat in mice. Neuron. 2024-03-06. PMID:38447576. |
here, we combined calcium imaging, activity tagging, and optogenetics to examine the role of neuronal excitability and pre-existing functional connectivity on the allocation of mouse cornu ammonis area 1 (ca1) hippocampal neurons to an engram ensemble supporting a contextual threat memory. |
2024-03-06 |
2024-03-09 |
mouse |
| Vincent Douchamps, Matteo di Volo, Alessandro Torcini, Demian Battaglia, Romain Goutagn. Gamma oscillatory complexity conveys behavioral information in hippocampal networks. Nature communications. vol 15. issue 1. 2024-02-28. PMID:38418832. |
in the hippocampal region ca1, specific gamma-frequency oscillations, timed at different phases of the ongoing theta rhythm, are hypothesized to facilitate the integration of information from varied sources and contribute to distinct cognitive processes. |
2024-02-28 |
2024-03-02 |
mouse |
| Yishen Liao, Naigong Y. [Spatial navigation method based on the entorhinal-hippocampal-prefrontal information transmission circuit of rat's brain]. Sheng wu yi xue gong cheng xue za zhi = Journal of biomedical engineering = Shengwu yixue gongchengxue zazhi. vol 41. issue 1. 2024-02-25. PMID:38403607. |
using the hippocampal ca3-prefrontal spatial navigation model as a foundation, this paper constructed a dynamic self-organizing model with the hippocampal ca1 place cells as the basic unit to optimize the navigation path. |
2024-02-25 |
2024-02-28 |
rat |
| Rebecca L Suthard, Ryan A Senne, Michelle D Buzharsky, Anh H Diep, Angela Y Pyo, Steve Ramire. Engram reactivation mimics cellular signatures of fear. Cell reports. vol 43. issue 3. 2024-02-24. PMID:38401120. |
to understand how artificial stimulation of fear affects intra-hippocampal neuron-astrocyte dynamics as well as their behavioral consequences, we express channelrhodopsin-2 in an activity-dependent manner within dentate gyrus neurons while recording both cell types with fiber photometry in hippocampal ventral ca1 across learning and memory. |
2024-02-24 |
2024-02-27 |
Not clear |
| Allegra Kawles, Rachel Keszycki, Grace Minogue, Antonia Zouridakis, Ivan Ayala, Nathan Gill, Alyssa Macomber, Vivienne Lubbat, Christina Coventry, Emily Rogalski, Sandra Weintraub, Qinwen Mao, Margaret E Flanagan, Hui Zhang, Rudolph Castellani, Eileen H Bigio, M-Marsel Mesulam, Changiz Geula, Tamar Gefe. Phenotypically concordant distribution of pick bodies in aphasic versus behavioral dementias. Acta neuropathologica communications. vol 12. issue 1. 2024-02-23. PMID:38389095. |
paraffin-embedded sections were stained immunohistochemically with at8 to visualize pick bodies, and unbiased stereological analysis was performed in up to six regions bilaterally [middle frontal gyrus (mfg), superior temporal gyrus (stg), inferior parietal lobule (ipl), anterior temporal lobe (atl), dentate gyrus (dg) and ca1 of the hippocampus], and unilateral occipital cortex (occ). |
2024-02-23 |
2024-02-25 |
Not clear |
| Amir Barzegar Behrooz, Mahdieh Nasiri, Soheila Adeli, Maryam Jafarian, Seyed Khalil Pestehei, Javad Fahanik Babae. Pre-adolescence repeat exposure to sub-anesthetic doses of ketamine induces long-lasting behaviors and cognition impairment in male and female rat adults. IBRO neuroscience reports. vol 16. 2024-02-14. PMID:38352700. |
toluidine blue stain was used to evaluate the number of dead neurons in the hippocampus, and the effects of ketamine on synaptic plasticity were compared in the perforant pathway of the ca1 of the hippocampus. |
2024-02-14 |
2024-02-16 |
rat |
| Ruchika Kumari, Vivek Verma, Muniyandi Singarave. Simulated chronic jet lag affects the structural and functional complexity of hippocampal neurons in mice. Neuroscience. 2024-02-14. PMID:38354900. |
moreover, cjl-exposed mice exhibited a reduction in structural complexity of hippocampal ca1 neurons along with decreased expression of neurotrophic growth factors, bdnf and ngf in the hippocampus compared to ld control. |
2024-02-14 |
2024-02-17 |
mouse |
| Khadijeh Mirzaee Khoram-Abadi, Sara Haratizadeh, Mohsen Basiri, Mahdieh Parvan, Fahimeh Pourjafari, Iraj Aghaei, Sedigheh Amiresmaili, Masoumeh Nozar. Autistic-like behaviors are attenuated by agmatine consumption during pregnancy: Assessment of oxidative stress profile and histopathological changes in the prefrontal cortex and CA1 region of the hippocampus. Iranian journal of basic medical sciences. vol 27. issue 3. 2024-02-09. PMID:38333751. |
autistic-like behaviors are attenuated by agmatine consumption during pregnancy: assessment of oxidative stress profile and histopathological changes in the prefrontal cortex and ca1 region of the hippocampus. |
2024-02-09 |
2024-02-11 |
rat |
| Khadijeh Mirzaee Khoram-Abadi, Sara Haratizadeh, Mohsen Basiri, Mahdieh Parvan, Fahimeh Pourjafari, Iraj Aghaei, Sedigheh Amiresmaili, Masoumeh Nozar. Autistic-like behaviors are attenuated by agmatine consumption during pregnancy: Assessment of oxidative stress profile and histopathological changes in the prefrontal cortex and CA1 region of the hippocampus. Iranian journal of basic medical sciences. vol 27. issue 3. 2024-02-09. PMID:38333751. |
due to the crucial role of polyamines during fetal growth and development, we aimed to determine the effect of prenatal administration of agmatine, an endogenous active metabolite of arginine, and a nutritional supplement, on autistic-like behaviors, oxidative-anti-oxidative profile, and histopathological changes of the prefrontal cortex (pfc) and ca1 area of the hippocampus in valproic acid (vpa) model of autism in male rats. |
2024-02-09 |
2024-02-11 |
rat |
| Izabelle Dias Benfato, Ana Carolina Silvares Quintanilha, Jessica Salles Henrique, Melyssa Alves Souza, Barbara Dos Anjos Rosário, Jose Ivo Araújo Beserra Filho, Alessandra Mussi Ribeiro, Luciana Le Sueur Maluf, Camila Aparecida Machado de Oliveir. Long-term calorie restriction prevented memory impairment in middle-aged male mice and increased a marker of dna oxidative stress in hippocampal dentate gyrus. Neurobiology of learning and memory. 2024-02-09. PMID:38336097. |
in addition, immunohistochemistry targetingΔfosb (neuronal activity),brain-derived neurotrophic factor (bdnf) and thedna oxidative damage (8ohdg) in hippocampal subfields ca1, ca2, ca3, and dentate gyrus (dg), and in basolateral amygdala and striatum were performed. |
2024-02-09 |
2024-02-12 |
mouse |
| Paola Palombo, Roberta Maeda, Caroline Riberti Zanibon, Sheila Antonagi Engi, Thais Yokoyama, Natalia Bonetti Bertagna, Agusto Anesio, Paula Cristina Bianchi, Thamires Riggi, Gabrielle Emily Boaventura Tavares, Fernando Bezerra Romualdo da Silva Caden Souccar, Fabio Cardoso Cr. Unlocking the role of dorsal hippocampal α4β2 nicotinic acetylcholine receptors in Ethanol-Induced conditioned place preference in mice. Neuroscience letters. 2024-02-08. PMID:38331019. |
our results unveiled that ethanol-induced cpp was associated with an increase fos -positive cells in various subregions of the dorsal hippocampus, including ca1, ca2, ca3, and the dentate gyrus. |
2024-02-08 |
2024-02-11 |
mouse |
| Ming Ma, Fabio Simoes de Souza, Gregory L Futia, Sean R Anderson, Jose Riguero, Daniel Tollin, Arianna Gentile-Polese, Jonathan P Platt, Kira Steinke, Naoki Hiratani, Emily A Gibson, Diego Restrep. Sequential activity of CA1 hippocampal cells constitutes a temporal memory map for associative learning in mice. Current biology : CB. 2024-02-07. PMID:38325376. |
sequential activity of ca1 hippocampal cells constitutes a temporal memory map for associative learning in mice. |
2024-02-07 |
2024-02-10 |
mouse |
| Xuehui Wang, Donghui Lin, Jie Jiang, Yuhua Liu, Xinyan Dong, Jianchen Fan, Lifen Gong, Weida Shen, Linghui Zeng, Tonghui Xu, Kewen Jiang, Steven A Connor, Yicheng Xi. MDGA2 Constrains Glutamatergic Inputs Selectively onto CA1 Pyramidal Neurons to Optimize Neural Circuits for Plasticity, Memory, and Social Behavior. Neuroscience bulletin. 2024-02-06. PMID:38321347. |
these results demonstrate that mdga2 confines the properties of excitatory synapses to ca1 neurons in mature hippocampal circuits, thereby optimizing this network for plasticity, cognition, and social behaviors. |
2024-02-06 |
2024-02-09 |
mouse |