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  Long-term memory formation for voices during sleep in three-month-old infants

Bastian, L., Kurz, E.-M., Näher, T., Zinke, K., Friedrich, M., & Born, J. (2024). Long-term memory formation for voices during sleep in three-month-old infants. Neurobiology of Learning and Memory, 215: 107987. doi:10.1016/j.nlm.2024.107987.

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 Creators:
Bastian, Lisa1, 2, Author
Kurz, Eva-Maria1, 3, Author
Näher, Tim4, Author
Zinke, Katharina1, Author
Friedrich, Manuela5, 6, Author                 
Born, Jan1, 7, 8, Author
Affiliations:
1Institute of Medical Psychology and Behavioral Neurobiology, Eberhard Karls University Tübingen, Germany, ou_persistent22              
2Max Planck School of Cognition, Leipzig, Germany, ou_persistent22              
3Department for Psychiatry and Psychotherapy, Eberhard Karls University Tübingen, Germany, ou_persistent22              
4Ernst Strüngmann Institute (ESI) for Neuroscience in Cooperation with Max Planck Society, Frankfurt, Germany, ou_persistent22              
5Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              
6Department of Psychology, Humboldt University Berlin, Germany, ou_persistent22              
7Center for Integrative Neuroscience, Eberhard Karls University Tübingen, Germany, ou_persistent22              
8German Center for Mental Health (DZPG), Tübingen, Germany, ou_persistent22              

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Free keywords: Early infancy; Event related potential (ERP); Long-term memory; Mismatch response (MMR); Sleep
 Abstract: The ability to form long-term memories begins in early infancy. However, little is known about the specific mechanisms that guide memory formation during this developmental stage. We demonstrate the emergence of a long-term memory for a novel voice in three-month-old infants using the EEG mismatch response (MMR) to the word “baby”. In an oddball-paradigm, a frequent standard, and two rare deviant voices (novel and mother) were presented before (baseline), and after (test) familiarizing the infants with the novel voice and a subsequent nap. Only the mother deviant but not the novel deviant elicited a late frontal MMR (∼850 ms) at baseline, possibly reflecting a long-term memory representation for the mother’s voice. Yet, MMRs to the novel and mother deviant significantly increased in similarity after voice familiarization and sleep. Moreover, both MMRs showed an additional early (∼250 ms) frontal negative component that is potentially related to deviance processing in short-term memory. Enhanced spindle activity during the nap predicted an increase in late MMR amplitude to the novel deviant and increased MMR similarity between novel and mother deviant. Our findings indicate that the late positive MMR in infants might reflect emergent long-term memory that benefits from sleep spindles.

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Language(s): eng - English
 Dates: 2024-08-202023-11-122024-09-112024-09-142024-11
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.nlm.2024.107987
Other: epub 2024
PMID: 39284413
 Degree: -

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Project name : -
Grant ID : Bo 854/18-1
Funding program : -
Funding organization : Deutsche Forschungsgemeinschaft (DFG)
Project name : -
Grant ID : AdG 883098 SleepBalance
Funding program : -
Funding organization : European Research Council (ERC)

Source 1

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Title: Neurobiology of Learning and Memory
  Other : Neurobiol. Learn. Mem.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Orlando, FL, USA : Academic Press
Pages: - Volume / Issue: 215 Sequence Number: 107987 Start / End Page: - Identifier: ISSN: 1074-7427
CoNE: https://pure.mpg.de/cone/journals/resource/954926963939