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@ARTICLE{Ying:258764,
author = {Ying, Johnson and Reboreda, Antonio and Yoshida, Motoharu
and Brandon, Mark P},
title = {{G}rid cell disruption in a mouse model of early
{A}lzheimer's disease reflects reduced integration of
self-motion cues.},
journal = {Current biology},
volume = {33},
number = {12},
issn = {0960-9822},
address = {London},
publisher = {Current Biology Ltd.},
reportid = {DZNE-2023-00672},
pages = {2425 - 2437.e5},
year = {2023},
abstract = {Converging evidence from human and rodent studies suggests
that disrupted grid cell coding in the medial entorhinal
cortex (MEC) underlies path integration behavioral deficits
during early Alzheimer's disease (AD). However, grid cell
firing relies on both self-motion cues and environmental
features, and it remains unclear whether disrupted grid
coding can account for specific path integration deficits
reported during early AD. Here, we report in the J20
transgenic amyloid beta (Aβ) mouse model of early AD that
grid cells were spatially unstable toward the center of the
arena, had qualitatively different spatial components that
aligned parallel to the borders of the environment, and
exhibited impaired integration of distance traveled via
reduced theta phase precession. Our results suggest that
disrupted early AD grid coding reflects reduced integration
of self-motion cues but not environmental information via
geometric boundaries, providing evidence that grid cell
impairments underlie path integration deficits during early
AD.},
keywords = {Humans / Mice / Animals / Cues / Alzheimer Disease:
genetics / Amyloid beta-Peptides / Mice, Transgenic /
Disease Models, Animal / Entorhinal Cortex / Action
Potentials / Alzheimer’s disease (Other) / Alzheimer’s
disease (Other) / Alzheimer’s disease (Other) /
Alzheimer’s disease (Other) / Fourier analysis (Other) /
amyloid beta (Other) / environmental geometry (Other) / grid
cells (Other) / medial entorhinal cortex (Other) / path
integration (Other) / spatial navigation (Other) / spatial
stability (Other) / theta phase precession (Other) / Amyloid
beta-Peptides (NLM Chemicals)},
cin = {AG Yoshida},
ddc = {570},
cid = {I:(DE-2719)1310011},
pnm = {351 - Brain Function (POF4-351)},
pid = {G:(DE-HGF)POF4-351},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:37220744},
doi = {10.1016/j.cub.2023.04.065},
url = {https://pub.dzne.de/record/258764},
}