Výsledky vyhledávání - computational models of spatial coding

A Multiplexed, Heterogeneous, and Adaptive Code for Navigation in Medial Entorhinal Cortex Autor Hardcastle, Kiah, Maheswaranathan, Niru, Ganguli, Surya, Giocomo, Lisa M

“…Medial entorhinal grid cells display strikingly symmetric spatial firing patterns…”
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Conjunctive reward–place coding properties of dorsal distal CA1 hippocampus cells Autor Xiao, Zhuocheng, Lin, Kevin, Fellous, Jean-Marc

“…Autonomous motivated spatial navigation in animals or robots requires the association between spatial location and value…”
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Prospective representation of navigational goals in the human hippocampus Autor Brown, Thackery I, Carr, Valerie A, LaRocque, Karen F, Favila, Serra E, Gordon, Alan M, Bowles, Ben, Bailenson, Jeremy N, Wagner, Anthony D

“… Computational and animal models highlight prospective spatial coding in the hippocampus, mediated by interactions with the prefrontal cortex, as a putative mechanism for simulating future events…”
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Environmental overlap influences goal‐oriented coding of spatial sequences differently along the long‐axis of hippocampus Autor He, Qiliang, Starnes, Jon, Brown, Thackery I.

“… Inspired by computational and animal models, we have recently demonstrated evidence that the human hippocampus supports prospective spatial coding, mediated by interactions with the prefrontal cortex…”
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Inhibitory suppression of heterogeneously tuned excitation enhances spatial coding in CA1 place cells Autor Grienberger, Christine, Milstein, Aaron D, Bittner, Katie C, Romani, Sandro, Magee, Jeffrey C

“… Combining whole-cell recordings, optogenetics and computational modeling, they demonstrate that inhibition enhances both rate and temporal coding of space by counteracting noise from broad out-of-field excitation…”
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The neural computational and dynamical mechanisms of reward-modulated spatial coding in hippocampal place cells Autor Shao, Qi, Wang, Yihong, Xu, Xuying, Wang, Yaning, Pan, Xiaochuan, Du, Ying, Wang, Rubin

“…Hippocampal place cells play a critical role in mammalian spatial navigation, episodic memory formation, and other relevant spatial cognitive functions…”
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The HTM Spatial Pooler—A Neocortical Algorithm for Online Sparse Distributed Coding Autor Cui, Yuwei, Ahmad, Subutai, Hawkins, Jeff

“…Hierarchical temporal memory (HTM) provides a theoretical framework that models several key computational principles of the neocortex…”
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Grounding spatial language in perception: an empirical and computational investigation Autor Regier, T, Carlson, L A

“… This is formalized in the attentional vector-sum (AVS) model. This computational model accurately predicts linguistic acceptability judgments for spatial terms, under a variety of spatial configurations…”
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A Hippocampus Spatial Cognition Model based on Predictive Coding Autor Yu, Naigong, Lv, Zexuan, Yan, Jinhan

“… to particular locations and directions. Various computation models of spatial cell firing have been proposed to unravel the mysteries of spatial cognition representation in the brain…”
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Temporal and Spatial Perception: A Novel Perceptual Rate-Distortion Optimization Method for H.266/VVC Encoding Autor Ai, Da, Wang, Jiahao, He, Ting, Yuan, Hui, Liu, Ying, Ling, Nam

“… Existing saliency-based compression coding methods rely on the determination of saliency regions and focus too much on saliency regions while ignoring the perceptible distortion in non-saliency regions…”
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Few Shot Generative Model Adaption via Relaxed Spatial Structural Alignment Autor Xiao, Jiayu, Li, Liang, Wang, Chaofei, Zha, Zheng-Jun, Huang, Qingming

“…). To solve this problem, we propose a relaxed spatial structural alignment (RSSA) method to calibrate the target generative models during the adaption…”
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Navigation and the efficiency of spatial coding: insights from closed-loop simulations Autor Ghazinouri, Behnam, Nejad, Mohammadreza Mohagheghi, Cheng, Sen

“… We extended an existing computational modeling tool-chain to study the functional role of spatial representations using closed-loop simulations of spatial learning…”
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Conjunctive coding in an evolved spiking model of retrosplenial cortex Autor Rounds, Emily L, Alexander, Andrew S, Nitz, Douglas A, Krichmar, Jeffrey L

“…Retrosplenial cortex (RSC) is an association cortex supporting spatial navigation and memory…”
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Cortical mechanisms of spatial hearing Autor van der Heijden, Kiki, Rauschecker, Josef P, de Gelder, Beatrice, Formisano, Elia

“…Humans and other animals use spatial hearing to rapidly localize events in the environment…”
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A model of head direction and landmark coding in complex environments Autor Yan, Yijia, Burgess, Neil, Bicanski, Andrej

“… However, it is unclear how this happens in real-world (visually complex) environments. We present a computational model of how visual feedback can stabilize HD…”
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Input-Dependent Frequency Modulation of Cortical Gamma Oscillations Shapes Spatial Synchronization and Enables Phase Coding Autor Lowet, Eric, Roberts, Mark, Hadjipapas, Avgis, Peter, Alina, van der Eerden, Jan, De Weerd, Peter

“… ('binding') and phase coding. Recent experimental studies have shown that the precise frequency of gamma oscillations varies with input drive (e.g. visual contrast…”
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Spatial Memory and Taxis-Driven Pattern Formation in Model Ecosystems Autor Potts, Jonathan R., Lewis, Mark A.

“…Mathematical models of spatial population dynamics typically focus on the interplay between dispersal events and birth/death processes…”
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Joint channel–spatial entropy modeling for efficient visual coding Autor Li, Yuan, Jiang, Xiaotong, Sun, Zitang

“…–spatial context modeling for improved entropy coding. Our approach introduces a Multi-Dimensional Conditional Context (MDCC…”
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Unraveling Audiovisual Perception Across Space and Time: A Neuroinspired Computational Architecture Autor Cuppini, Cristiano, Di Rosa, Eleonore F., Astolfi, Laura, Monti, Melissa

“…ABSTRACT Accurate perception of audiovisual stimuli depends crucially on the spatial and temporal properties of each sensory component, with multisensory enhancement only occurring if those components…”
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Understanding the computation of time using neural network models Autor Bi, Zedong, Zhou, Changsong

“…? How is temporal information processed concurrently with spatial information and decision making…”
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