| Publication |
Sentence |
Publish Date |
Extraction Date |
Species |
| Qian Sun, Yu-Qiu Jiang, Melissa C L. Topographic heterogeneity of intrinsic excitability in mouse hippocampal CA3 pyramidal neurons. Journal of neurophysiology. vol 124. issue 4. 2021-08-13. PMID:32937083. |
area ca3 in the hippocampus is traditionally thought to act as a homogeneous neural circuit that is vital for spatial navigation and episodic memories. |
2021-08-13 |
2023-08-13 |
mouse |
| Qian Sun, Yu-Qiu Jiang, Melissa C L. Topographic heterogeneity of intrinsic excitability in mouse hippocampal CA3 pyramidal neurons. Journal of neurophysiology. vol 124. issue 4. 2021-08-13. PMID:32937083. |
the hippocampus is also known to be functionally segregated along the dorsoventral (longitudinal) axis, with dorsal hippocampus strongly involved in spatial navigation and ventral hippocampus associated with emotion and anxiety. |
2021-08-13 |
2023-08-13 |
mouse |
| Yanbo Lian, Anthony N Burkit. Learning an Efficient Hippocampal Place Map from Entorhinal Inputs Using Non-Negative Sparse Coding. eNeuro. vol 8. issue 4. 2021-08-13. PMID:34162691. |
cells in the entorhinal cortex (ec) contain rich spatial information and project strongly to the hippocampus where a cognitive map is supposedly created. |
2021-08-13 |
2023-08-13 |
Not clear |
| Edmund T Roll. Learning Invariant Object and Spatial View Representations in the Brain Using Slow Unsupervised Learning. Frontiers in computational neuroscience. vol 15. 2021-08-10. PMID:34366818. |
this enables hippocampal spatial view cells to use idiothetic, self-motion, signals for navigation when the view details are obscured for short periods. |
2021-08-10 |
2023-08-13 |
Not clear |
| Amy L Griffi. The nucleus reuniens orchestrates prefrontal-hippocampal synchrony during spatial working memory. Neuroscience and biobehavioral reviews. vol 128. 2021-08-04. PMID:34217746. |
spatial working memory, the ability to temporarily maintain an internal representation of spatial information for use in guiding upcoming decisions, has been shown to be dependent upon a network of brain structures that includes the hippocampus, a region known to be critical for spatial navigation and episodic memory, and the prefrontal cortex (pfc), a region known to be critical for executive function and goal directed behavior. |
2021-08-04 |
2023-08-13 |
human |
| George Andrew Reid, Sultan Darves. Distribution of acetylcholinesterase in the hippocampal formation of the Atlantic white-sided dolphin (Lagenorhynchus acutus). The Journal of comparative neurology. vol 529. issue 5. 2021-08-02. PMID:32779183. |
this region, comprised of the dentate gyrus, hippocampus proper, subiculum, presubiculum, parasubiculum and the entorhinal cortex, is important in learning, memory, and navigation. |
2021-08-02 |
2023-08-13 |
Not clear |
| Jean-Paul Banquet, Philippe Gaussier, Nicolas Cuperlier, Vincent Hok, Etienne Save, Bruno Poucet, Mathias Quoy, Sidney I Wiene. Time as the fourth dimension in the hippocampus. Progress in neurobiology. vol 199. 2021-07-28. PMID:33053416. |
in addition to its pivotal position in spatial processing and navigation, the hippocampal system also plays a central, multiform role in several types of temporal processing. |
2021-07-28 |
2023-08-13 |
human |
| Seung-Woo Jin, Inah Le. Differential encoding of place value between the dorsal and intermediate hippocampus. Current biology : CB. vol 31. issue 14. 2021-07-28. PMID:34048706. |
it is widely held that the hippocampus provides a cognitive map in which event-related information, such as an object, location, and their significance, is organized. |
2021-07-28 |
2023-08-13 |
rat |
| Nicolai Wanie. Transition Scale-Spaces: A Computational Theory for the Discretized Entorhinal Cortex. Neural computation. vol 32. issue 2. 2021-07-26. PMID:31835003. |
although hippocampal grid cells are thought to be crucial for spatial navigation, their computational purpose remains disputed. |
2021-07-26 |
2023-08-13 |
Not clear |
| Jiahe Guo, Kai Zhang, Jianyu Zhang, Rui Zhao, Yibo Liang, Yu Lin, Shengping Yu, Wen Qin, Xuejun Yan. Decoding Spatial Memory Retrieval in Cubical Space Using fMRI Signals. Frontiers in neural circuits. vol 15. 2021-07-16. PMID:34084128. |
there have been some studies on the representation of navigation behavior by signal distribution patterns, but only in the hippocampus and adjacent structures. |
2021-07-16 |
2023-08-13 |
Not clear |
| Zhi-Hang Zhen, Mo-Ran Guo, He-Ming Li, Ou-Yang Guo, Jun-Li Zhen, Jian Fu, Guo-Jun Ta. Normal and Abnormal Sharp Wave Ripples in the Hippocampal-Entorhinal Cortex System: Implications for Memory Consolidation, Alzheimer's Disease, and Temporal Lobe Epilepsy. Frontiers in aging neuroscience. vol 13. 2021-07-16. PMID:34262446. |
swrs originating from hippocampus have been extensively studied during spatial navigation in rodents, and more recent studies have investigated swrs in the hippocampal-entorhinal cortex (hpc-ec) system during a variety of other memory-guided behaviors. |
2021-07-16 |
2023-08-13 |
Not clear |
| Jie Chai, Xiaogang Ruan, Jing Huan. NLM-HS: Navigation Learning Model Based on a Hippocampal-Striatal Circuit for Explaining Navigation Mechanisms in Animal Brains. Brain sciences. vol 11. issue 6. 2021-07-05. PMID:34204482. |
neurophysiological studies have shown that the hippocampus, striatum, and prefrontal cortex play different roles in animal navigation, but it is still less clear how these structures work together. |
2021-07-05 |
2023-08-13 |
Not clear |
| Jie Chai, Xiaogang Ruan, Jing Huan. NLM-HS: Navigation Learning Model Based on a Hippocampal-Striatal Circuit for Explaining Navigation Mechanisms in Animal Brains. Brain sciences. vol 11. issue 6. 2021-07-05. PMID:34204482. |
the hippocampal model generates a cognitive map of the environment and performs goal-directed navigation by using a place cell sequence planning algorithm. |
2021-07-05 |
2023-08-13 |
Not clear |
| Jie Chai, Xiaogang Ruan, Jing Huan. NLM-HS: Navigation Learning Model Based on a Hippocampal-Striatal Circuit for Explaining Navigation Mechanisms in Animal Brains. Brain sciences. vol 11. issue 6. 2021-07-05. PMID:34204482. |
first, the agent uses a hippocampal model to construct the cognitive map of the unknown environment. |
2021-07-05 |
2023-08-13 |
Not clear |
| Jie Chai, Xiaogang Ruan, Jing Huan. NLM-HS: Navigation Learning Model Based on a Hippocampal-Striatal Circuit for Explaining Navigation Mechanisms in Animal Brains. Brain sciences. vol 11. issue 6. 2021-07-05. PMID:34204482. |
the results show that the nlm-hs not only makes agents show environmental cognition and navigation behavior similar to animals, but also makes behavioral decisions faster and achieves better adaptivity than hippocampal or striatal models alone. |
2021-07-05 |
2023-08-13 |
Not clear |
| Michael D Adoff, Jason R Climer, Heydar Davoudi, Jonathan S Marvin, Loren L Looger, Daniel A Dombec. The functional organization of excitatory synaptic input to place cells. Nature communications. vol 12. issue 1. 2021-06-30. PMID:34117238. |
hippocampal place cells contribute to mammalian spatial navigation and memory formation. |
2021-06-30 |
2023-08-13 |
mouse |
| Steven M Weisberg, Arne D Ekstro. Hippocampal volume and navigational ability: The map(ping) is not to scale. Neuroscience and biobehavioral reviews. vol 126. 2021-06-28. PMID:33722618. |
some evidence suggests robust structure-behavior relations between hippocampal volume and navigation ability, whereas other experiments show no such correlation. |
2021-06-28 |
2023-08-13 |
Not clear |
| Steven M Weisberg, Arne D Ekstro. Hippocampal volume and navigational ability: The map(ping) is not to scale. Neuroscience and biobehavioral reviews. vol 126. 2021-06-28. PMID:33722618. |
we focus on several possibilities for these discrepancies: 1) volumetric hippocampal changes are relevant only at the extreme ranges of navigational abilities; 2) hippocampal volume correlates across individuals but only for specific measures of navigation skill; 3) hippocampal volume itself does not correlate with navigation skill acquisition; connectivity patterns are more relevant. |
2021-06-28 |
2023-08-13 |
Not clear |
| Svend Heini W Johnsen, Hana Malá Rytte. Dissociating spatial strategies in animal research: Critical methodological review with focus on egocentric navigation and the hippocampus. Neuroscience and biobehavioral reviews. vol 126. 2021-06-28. PMID:33771535. |
dissociating spatial strategies in animal research: critical methodological review with focus on egocentric navigation and the hippocampus. |
2021-06-28 |
2023-08-13 |
Not clear |
| Svend Heini W Johnsen, Hana Malá Rytte. Dissociating spatial strategies in animal research: Critical methodological review with focus on egocentric navigation and the hippocampus. Neuroscience and biobehavioral reviews. vol 126. 2021-06-28. PMID:33771535. |
furthermore, with these considerations in mind, we review the role of the hippocampus in egocentric navigation forms, i.e. |
2021-06-28 |
2023-08-13 |
Not clear |