Grid cells
نویسندگان
چکیده
منابع مشابه
Counting Cells in a Grid. Counting Cells in a Grid
The goal of this paper is to estimate in a theoretical way the reduction of the number of cells of, and the overall number of neighbouring cells in, a grid when some cells in a uniform grid are replaced by a larger cell in an overlaying non-uniform grid. We assume that the grids are represented by a 2 k-tree and the replacement of cells preserves the representation.
متن کاملSpreading grid cells
Let S be a set of n symbols. Let A be an n × n square grid with each cell labeled by a distinct symbol in S. Let B be another n × n square grid, also with each cell labeled by a distinct symbol in S. Then each symbol in S labels two cells, one in A and one in B. Define the combined distance between two symbols in S as the distance between the two cells in A plus the distance between the two cel...
متن کاملPlace cells, grid cells, and memory.
The hippocampal system is critical for storage and retrieval of declarative memories, including memories for locations and events that take place at those locations. Spatial memories place high demands on capacity. Memories must be distinct to be recalled without interference and encoding must be fast. Recent studies have indicated that hippocampal networks allow for fast storage of large quant...
متن کاملPlace Cells, Grid Cells, Attractors, and Remapping
Place and grid cells are thought to use a mixture of external sensory information and internal attractor dynamics to organize their activity. Attractor dynamics may explain both why neurons react coherently following sufficiently large changes to the environment (discrete attractors) and how firing patterns move smoothly from one representation to the next as an animal moves through space (cont...
متن کاملGrid Cells for Conceptual Spaces?
"Grid cells" encode an animal's location and direction of movement in 2D physical environments via regularly repeating receptive fields. Constantinescu et al. (2016) report the first evidence of grid cells for 2D conceptual spaces. The work has exciting implications for mental representation and shows how detailed neural-coding hypotheses can be tested with bulk population-activity measures.
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ژورنال
عنوان ژورنال: Scholarpedia
سال: 2007
ISSN: 1941-6016
DOI: 10.4249/scholarpedia.3394