Home > Publications Database > Phase locking of hippocampal CA3 neurons to distal CA1 theta oscillations selectively predicts memory performance > print

001     269862
005     20240808164347.0
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024 7 _ |a 10.1016/j.celrep.2024.114276
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024 7 _ |a 2211-1247
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024 7 _ |a 2639-1856
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037 _ _ |a DZNE-2024-00688
082 _ _ |a 610
100 1 _ |a Ku, Shih-Pi
|b 0
245 _ _ |a Phase locking of hippocampal CA3 neurons to distal CA1 theta oscillations selectively predicts memory performance
260 _ _ |a [New York, NY]
|c 2024
|b Elsevier
336 7 _ |a article
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520 _ _ |a How the coordination of neuronal spiking and brain rhythms between hippocampal subregions supports memory function remains elusive. We studied the interregional coordination of CA3 neuronal spiking with CA1 theta oscillations by recording electrophysiological signals along the proximodistal axis of the hippocampus in rats that were performing a high-memory-demand recognition memory task adapted from humans. We found that CA3 population spiking occurs preferentially at the peak of distal CA1 theta oscillations when memory was tested but only when previously encountered stimuli were presented. In addition, decoding analyses revealed that only population cell firing of proximal CA3 together with that of distal CA1 can predict performance at test in the present non-spatial task. Overall, our work demonstrates an important role for the synchronization of CA3 neuronal activity with CA1 theta oscillations during memory testing.
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650 _ 2 |a Animals
|2 MeSH
650 _ 2 |a Theta Rhythm: physiology
|2 MeSH
650 _ 2 |a CA1 Region, Hippocampal: physiology
|2 MeSH
650 _ 2 |a Male
|2 MeSH
650 _ 2 |a Rats
|2 MeSH
650 _ 2 |a CA3 Region, Hippocampal: physiology
|2 MeSH
650 _ 2 |a Memory: physiology
|2 MeSH
650 _ 2 |a Neurons: physiology
|2 MeSH
650 _ 2 |a Action Potentials: physiology
|2 MeSH
650 _ 7 |a CA1
|2 Other
650 _ 7 |a CA3
|2 Other
650 _ 7 |a CP: Neuroscience
|2 Other
650 _ 7 |a distal
|2 Other
650 _ 7 |a hippocampus
|2 Other
650 _ 7 |a odor
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650 _ 7 |a population coding
|2 Other
650 _ 7 |a proximal
|2 Other
650 _ 7 |a recognition memory
|2 Other
650 _ 7 |a support vector machine
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650 _ 7 |a theta
|2 Other
700 1 _ |a Atucha, Erika
|b 1
700 1 _ |a Alavi, Nico
|b 2
700 1 _ |a Mulla-Osman, Halla
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700 1 _ |a Kayumova, Rukhshona
|b 4
700 1 _ |a Yoshida, Motoharu
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700 1 _ |a Csicsvari, Jozsef
|b 6
700 1 _ |a Sauvage, Magdalena M.
|0 0000-0002-7586-6410
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773 _ _ |a 10.1016/j.celrep.2024.114276
|g Vol. 43, no. 6, p. 114276 -
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856 4 _ |y OpenAccess
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910 1 _ |a Deutsches Zentrum für Neurodegenerative Erkrankungen
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