Findings from published research, checked in the open

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1,390 claims from 864 papers are on the record. 46 have been checked so far; the other 1,344 have no check with a result yet.

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Status: Unchecked ×Keyword: spatial cognition ×Clear all

4 claims from 2 papers

1. Neuroscience › Memory and Neural Mechanisms

   Evidence for grid cells in a human memory network

   Doeller, Barry and Burgess · Nature · 2010

   Rat recordings suggested a brain-imaging signature of grid cells, and the authors report finding grid-cell-like signals in humans in a network of brain regions, strongest in right entorhinal cortex.

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   1. UncheckedIn people exploring a virtual environment, fMRI signals varied with running direction in a six-fold pattern, and more strongly at higher running speeds.“We then looked for this signal as participants explored a virtual reality environment, mimicking the rats' foraging task: fMRI activation and adaptation showing a speed-modulated six-fold rotational symmetry in running direction.”
   2. Unchecked“The signal was found in a network of entorhinal/subicular, posterior and medial parietal, lateral temporal and medial prefrontal areas.”
   3. UncheckedIn this fMRI study, a grid-cell-like directional signal was strongest in right entorhinal cortex and its coherence there tracked spatial memory performance.“The effect was strongest in right entorhinal cortex, and the coherence of the directional signal across entorhinal cortex correlated with spatial memory performance.”

2. Neuroscience › Memory and Neural Mechanisms

   Spatial Cognition and the Brain

   Burgess · Annals of the New York Academy of Sciences · 2008

   A review of advances in spatial cognition, drawing on animal recording and lesion studies, proposes a neural-level model of spatial memory and imagery involving the hippocampus, parietal lobe and retrosplenial cortex.

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   1. UncheckedA neural model of spatial memory suggests one shared mechanism builds mental scenes for imagery and memory recall, with Papez's circuit helping set viewpoint.“Insights from this model include a common mechanism for the construction of spatial scenes in the service of both imagery and episodic retrieval and a role for the remainder of Papez's circuit in orienting the viewpoint used.”