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@ARTICLE{Tzilivaki:281914,
author = {Tzilivaki, Alexandra and Larkum, Matthew Evan and Schmitz,
Dietmar},
title = {{B}imodal nonlinear dendrites in {PV}+ basket cells drive
distinct memory-related oscillations.},
journal = {iScience},
volume = {28},
number = {11},
issn = {2589-0042},
address = {St. Louis},
publisher = {Elsevier},
reportid = {DZNE-2025-01256},
pages = {113699},
year = {2025},
abstract = {PV+ FSBCs are critical for modulating hippocampal
oscillations, which are essential for memory and behavior.
Our research uses biophysical modeling to propose a
cellular, dendritic dependent mechanism: these interneurons
can dynamically switch their firing patterns by engaging
different dendritic integration modes. We predict that PV+
FSBCs can use their supralinear and sublinear dendrites to
selectively influence brain rhythms without changes in
synaptic input amount. Supralinear dendrites promote
high-frequency oscillations and decrease the circuit's
excitation/inhibition (E/I) balance. Conversely, sublinear
dendrites enhance slow oscillatory power and increase the
E/I balance. This bimodal dendritic strategy gives PV+ FSBCs
an energy-efficient way to regulate oscillations. It
suggests that the specific computations happening within the
dendrites of these interneurons can critically shape
memory-related brain rhythms. This offers an experimentally
testable hypothesis about the subcellular mechanisms of
rhythm generation in the hippocampus.},
keywords = {Behavioral neuroscience (Other) / Biological sciences
(Other) / Cellular neuroscience (Other) / Cognitive
neuroscience (Other) / Natural sciences (Other) /
Neuroscience (Other)},
cin = {AG Schmitz},
ddc = {050},
cid = {I:(DE-2719)1810004},
pnm = {351 - Brain Function (POF4-351)},
pid = {G:(DE-HGF)POF4-351},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:41210997},
pmc = {pmc:PMC12590550},
doi = {10.1016/j.isci.2025.113699},
url = {https://pub.dzne.de/record/281914},
}