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024 7 _ |a 10.1002/hipo.22808
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024 7 _ |a 1050-9631
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024 7 _ |a 1098-1063
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037 _ _ |a DZNE-2020-06010
041 _ _ |a English
082 _ _ |a 610
100 1 _ |a Hansen, Niels
|0 P:(DE-HGF)0
|b 0
|e Corresponding author
245 _ _ |a Memory encoding-related anterior hippocampal potentials are modulated by deep brain stimulation of the entorhinal area.
260 _ _ |a New York, NY [u.a.]
|c 2018
|b Wiley
264 _ 1 |3 online
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|c 2017-10-30
264 _ 1 |3 print
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|b Wiley
|c 2018-01-01
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520 _ _ |a Deep brain stimulation (DBS) of the human entorhinal area using 50 Hz pulses has revealed conflicting results regarding memory performance. Moreover, its impact on memory-related hippocampal potentials has not yet been investigated.We recorded data from seven epilepsy patients implanted with depth electrodes in the entorhinal cortex, hippocampus, amygdala, and parahippocampal cortex. Entorhinal DBS (bipolar, biphasic 50 Hz pulses, on- and off-cycles of 15 s) was applied with low amplitude (0.1 mA) to resemble physiologic conditions. During DBS on- and off-periods, patients learned noun-color associations that were later tested.During entorhinal DBS we observed more positive deflections of event-related potentials (ranging from 700 to 950 ms) in the anterior hippocampus for the on- vs. off-condition. We detected no effects in the amygdala, mid hippocampus and parahippocampal cortex. On the behavioral level, no differences in memory performance (item and source memory) were apparent in the on- vs. off-condition, neither across all trials nor across patients.Our findings indicate that entorhinal DBS with low amplitude has an impact on memory encoding-related potentials within the anterior hippocampus, but not on memory performance per se.
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542 _ _ |i 2017-10-30
|2 Crossref
|u http://doi.wiley.com/10.1002/tdm_license_1.1
542 _ _ |i 2017-10-30
|2 Crossref
|u http://onlinelibrary.wiley.com/termsAndConditions#vor
588 _ _ |a Dataset connected to CrossRef, PubMed,
650 _ 2 |a Adult
|2 MeSH
650 _ 2 |a Amygdala: physiology
|2 MeSH
650 _ 2 |a Amygdala: physiopathology
|2 MeSH
650 _ 2 |a Association Learning: physiology
|2 MeSH
650 _ 2 |a Deep Brain Stimulation: methods
|2 MeSH
650 _ 2 |a Entorhinal Cortex: physiology
|2 MeSH
650 _ 2 |a Entorhinal Cortex: physiopathology
|2 MeSH
650 _ 2 |a Epilepsy, Temporal Lobe: physiopathology
|2 MeSH
650 _ 2 |a Epilepsy, Temporal Lobe: psychology
|2 MeSH
650 _ 2 |a Epilepsy, Temporal Lobe: therapy
|2 MeSH
650 _ 2 |a Evoked Potentials
|2 MeSH
650 _ 2 |a Female
|2 MeSH
650 _ 2 |a Hippocampus: physiology
|2 MeSH
650 _ 2 |a Hippocampus: physiopathology
|2 MeSH
650 _ 2 |a Humans
|2 MeSH
650 _ 2 |a Male
|2 MeSH
650 _ 2 |a Memory: physiology
|2 MeSH
700 1 _ |a Chaieb, Leila
|b 1
700 1 _ |a Derner, Marlene
|b 2
700 1 _ |a Hampel, Kevin G
|b 3
700 1 _ |a Elger, Christian E
|b 4
700 1 _ |a Surges, Rainer
|b 5
700 1 _ |a Staresina, Bernhard
|b 6
700 1 _ |a Axmacher, Nikolai
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700 1 _ |a Fell, Juergen
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773 1 8 |a 10.1002/hipo.22808
|b : Wiley, 2017-10-30
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|t Hippocampus
|v 28
|y 2017
|x 1050-9631
773 _ _ |a 10.1002/hipo.22808
|g Vol. 28, no. 1, p. 12 - 17
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|v 28
|y 2018
|x 1050-9631
856 4 _ |u https://pub.dzne.de/record/139688/files/DZNE-2020-06010_Restricted.pdf
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LibraryCollectionCLSMajorCLSMinorLanguageAuthor
Marc 21