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- Grid_cell abstract "A grid cell is a type of neuron in the brains of many species that allows them to understand their position in space. Grid cells were discovered in 2005 by Edvard Moser, May-Britt Moser and their students Torkel Hafting, Marianne Fyhn and Sturla Molden at the Centre for the Biology of Memory (CBM) in Norway. They were awarded the 2014 Nobel Prize in Physiology or Medicine together with John O'Keefe for their discoveries of cells that constitute a positioning system in the brain. The arrangement of spatial firing fields all at equal distances from their neighbors led to a hypothesis that these cells encode a cognitive representation of Euclidean space. The discovery also suggested a mechanism for dynamic computation of self-position based on continuously updated information about position and direction.In a typical experimental study, an electrode capable of recording the activity of an individual neuron is implanted in the cerebral cortex of a rat, in a section called the dorsomedial entorhinal cortex, and recordings are made as the rat moves around freely in an open arena. For a grid cell, if a dot is placed at the location of the rat's head every time the neuron emits an action potential, then as illustrated in the adjoining figure, these dots build up over time to form a set of small clusters, and the clusters form the vertices of a grid of equilateral triangles. This regular triangle-pattern is what distinguishes grid cells from other types of cells that show spatial firing. By contrast, if a place cell from the rat hippocampus is examined in the same way (i.e., by placing a dot at the location of the rat's head whenever the cell emits an action potential), then the dots build up to form small clusters, but frequently there is only one cluster (one "place field") in a given environment, and even when multiple clusters are seen, there is no perceptible regularity in their arrangement.".
- Grid_cell thumbnail RatRunningPath.JPG?width=300.
- Grid_cell wikiPageExternalLink english.
- Grid_cell wikiPageExternalLink watch?v=i9GiLBXWAHI.
- Grid_cell wikiPageID "4226525".
- Grid_cell wikiPageLength "22779".
- Grid_cell wikiPageOutDegree "38".
- Grid_cell wikiPageRevisionID "678382161".
- Grid_cell wikiPageWikiLink Acetylcholine.
- Grid_cell wikiPageWikiLink Action_potential.
- Grid_cell wikiPageWikiLink Border_cell_(brain).
- Grid_cell wikiPageWikiLink Boundary_cell.
- Grid_cell wikiPageWikiLink Category:Brain.
- Grid_cell wikiPageWikiLink Category:Neurology.
- Grid_cell wikiPageWikiLink Category:Neurons.
- Grid_cell wikiPageWikiLink Category:Perception.
- Grid_cell wikiPageWikiLink Cerebral_cortex.
- Grid_cell wikiPageWikiLink Cognitive_map.
- Grid_cell wikiPageWikiLink Edvard_Moser.
- Grid_cell wikiPageWikiLink Edward_C._Tolman.
- Grid_cell wikiPageWikiLink Entorhinal_cortex.
- Grid_cell wikiPageWikiLink Euclidean_space.
- Grid_cell wikiPageWikiLink GABA.
- Grid_cell wikiPageWikiLink Gamma-Aminobutyric_acid.
- Grid_cell wikiPageWikiLink Head_direction_cells.
- Grid_cell wikiPageWikiLink Hexagonal_lattice.
- Grid_cell wikiPageWikiLink Hippocampus.
- Grid_cell wikiPageWikiLink John_OKeefe_(neuroscientist).
- Grid_cell wikiPageWikiLink _Centre_for_Neural_Computation.
- Grid_cell wikiPageWikiLink Kavli_Institute_for_Systems_Neuroscience_and_Centre_for_the_Biology_of_Memory.
- Grid_cell wikiPageWikiLink Lynn_Nadel.
- Grid_cell wikiPageWikiLink May-Britt_Moser.
- Grid_cell wikiPageWikiLink Medial_septal_nucleus.
- Grid_cell wikiPageWikiLink Medial_septum.
- Grid_cell wikiPageWikiLink Neuron.
- Grid_cell wikiPageWikiLink Nobel_Prize_in_Physiology_or_Medicine.
- Grid_cell wikiPageWikiLink Path_integration.
- Grid_cell wikiPageWikiLink Place_cell.
- Grid_cell wikiPageWikiLink Single-unit_recording.
- Grid_cell wikiPageWikiLink Single_unit_recording.
- Grid_cell wikiPageWikiLink Theta_rhythm.
- Grid_cell wikiPageWikiLink File:Autocorrelationplot_grid_cell.JPG.
- Grid_cell wikiPageWikiLink File:Equilateral_Triangle_Lattice.svg.
- Grid_cell wikiPageWikiLink File:RatRunningPath.JPG.
- Grid_cell wikiPageWikiLink File:Uniform_tiling_63-t2.png.
- Grid_cell wikiPageWikiLinkText "Grid cell".
- Grid_cell wikiPageWikiLinkText "grid cell".
- Grid_cell hasPhotoCollection Grid_cell.
- Grid_cell wikiPageUsesTemplate Template:For.
- Grid_cell wikiPageUsesTemplate Template:Reflist.
- Grid_cell subject Category:Brain.
- Grid_cell subject Category:Neurology.
- Grid_cell subject Category:Neurons.
- Grid_cell subject Category:Perception.
- Grid_cell hypernym Neuron.
- Grid_cell type AnatomicalStructure.
- Grid_cell type Article.
- Grid_cell type Article.
- Grid_cell type Cell.
- Grid_cell type Concept.
- Grid_cell type Process.
- Grid_cell type Specialty.
- Grid_cell comment "A grid cell is a type of neuron in the brains of many species that allows them to understand their position in space. Grid cells were discovered in 2005 by Edvard Moser, May-Britt Moser and their students Torkel Hafting, Marianne Fyhn and Sturla Molden at the Centre for the Biology of Memory (CBM) in Norway. They were awarded the 2014 Nobel Prize in Physiology or Medicine together with John O'Keefe for their discoveries of cells that constitute a positioning system in the brain.".
- Grid_cell label "Grid cell".
- Grid_cell sameAs Células_de_red.
- Grid_cell sameAs Cellula_grid.
- Grid_cell sameAs 격자_세포.
- Grid_cell sameAs Gittercelle.
- Grid_cell sameAs m.0bq_b3.
- Grid_cell sameAs Нейроны_решётки.
- Grid_cell sameAs பின்னல்_உயிரணு.
- Grid_cell sameAs Grid-нейрон.
- Grid_cell sameAs Q863495.
- Grid_cell sameAs Q863495.
- Grid_cell wasDerivedFrom Grid_cell?oldid=678382161.
- Grid_cell depiction RatRunningPath.JPG.
- Grid_cell isPrimaryTopicOf Grid_cell.