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Increase in slow frequency and decrease in alpha and beta power during post-learning rest predict long-term memory success.
Cortex
December 2024
Institute of Cognitive Neuroscience and Psychology, HUN-REN Research Centre for Natural Sciences, Budapest, Hungary; Institute of Psychology, University of Szeged, Szeged, Hungary; Cognitive Medicine Research Group, Competence Centre for Neurocybernetics of the Life Sciences Cluster of the Centre of Excellence for Interdisciplinary Research, Development and Innovation of the University of Szeged, University of Szeged, Szeged, Hungary.
Formation of episodic memories is linked to cortico-hippocampal interactions during learning, practice, and post-learning rest, although the role of cortical activity itself in such processes remains elusive. Behaviorally, long-term retention of episodic memories has been shown to be aided by several different practice strategies involving memory reencounters, such as repeated retrieval and repeated study. In a two-session resting state electroencephalography (EEG) experiment, using data from 68 participants, we investigated the electrophysiological predictors of long-term memory success in situations where such reencounters occurred after learning.
View Article and Find Full Text PDFCortico-hippocampal interactions underlie schema-supported memory encoding in older adults.
bioRxiv
September 2024
Department of Psychology and Neuroscience, Duke University, Durham, NC 27708.
Although episodic memory is typically impaired in older adults (OAs) compared to young adults (YAs), this deficit is attenuated when OAs can leverage their rich semantic knowledge, such as their knowledge of schemas. Memory is better for items consistent with pre-existing schemas and this effect is larger in OAs. Neuroimaging studies have associated schema use with the ventromedial prefrontal cortex (vmPFC) and hippocampus (HPC), but most of this research has been limited to YAs.
View Article and Find Full Text PDFEditorial: Cortico-hippocampal interactions during learning and memory.
Front Behav Neurosci
August 2024
Department of Psychology, California State University Sacramento, Sacramento, CA, United States.
Making sense of music: Insights from neurophysiology and connectivity analyses in naturalistic listening conditions.
Hear Res
January 2024
Department of Education, Psychology, Communication, University of Bari Aldo Moro, Italy.
According to the latest frameworks, auditory perception and memory involve the constant prediction of future sound events by the brain, based on the continuous extraction of feature regularities from the environment. The neural hierarchical mechanisms for predictive processes in perception and memory for sounds are typically studied in relation to simple acoustic features in isolated sounds or sound patterns inserted in highly certain contexts. Such studies have identified reliable prediction formation and error signals, e.
View Article and Find Full Text PDFHippocampal memory reactivation during sleep is correlated with specific cortical states of the retrosplenial and prefrontal cortices.
Learn Mem
September 2023
Picower Institute for Learning and Memory, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
Episodic memories are thought to be stabilized through the coordination of cortico-hippocampal activity during sleep. However, the timing and mechanism of this coordination remain unknown. To investigate this, we studied the relationship between hippocampal reactivation and slow-wave sleep up and down states of the retrosplenial cortex (RTC) and prefrontal cortex (PFC).
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