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False Memories of Familiar Faces.
Exp Psychol
January 2025
Department of Psychology, Louisiana State University, Baton Rouge, LA, USA.
Article Synopsis
- Prior familiarity with faces, especially when they are known US celebrities, enhances recognition and source memory compared to unfamiliar European celebrities.
- In two experiments, both familiar and unfamiliar faces showed improved recognition rates with repetition during learning, but participants were more accurate with familiar faces.
- Experiment 2 revealed that while familiar faces were recognized more frequently, they were also more prone to being incorrectly identified as previously seen when paired with new backgrounds, suggesting complexities in face memory recall.
PKCδ is an activator of neuronal mitochondrial metabolism that mediates the spacing effect on memory consolidation.
Elife
October 2024
Energy & Memory, Brain Plasticity Unit, CNRS, ESPCI Paris, PSL Research University, Paris, France.
Relevance-based selectivity and high energy cost are two distinct features of long-term memory (LTM) formation that warrant its default inhibition. Spaced repetition of learning is a highly conserved cognitive mechanism that can lift this inhibition. Here, we questioned how the spacing effect integrates experience selection and energy efficiency at the cellular and molecular levels.
View Article and Find Full Text PDFRepetition dynamically and rapidly increases cortical, but not hippocampal, offline reactivation.
Proc Natl Acad Sci U S A
October 2024
Department of Psychology, Columbia University, New York, NY 10027.
No sooner is an experience over than its neural representation begins to be transformed through memory reactivation during offline periods. The lion's share of prior research has focused on understanding offline reactivation within the hippocampus. However, it is hypothesized that consolidation processes involve offline reactivation in cortical regions as well as coordinated reactivation in the hippocampus and cortex.
View Article and Find Full Text PDFLasting effects of transcranial direct current stimulation on the inducibility of synaptic plasticity by paired-associative stimulation in humans.
J Neuroeng Rehabil
September 2024
Department of Psychiatry and Psychotherapy, Medical Center, University of Freiburg-Faculty of Medicine, University of Freiburg, Hauptstrasse 5, 79104, Freiburg, Germany.
Background: Transcranial direct current stimulation (tDCS) is capable of eliciting changes in cortical neuroplasticity. Increasing duration or repetition of tDCS during the after-effects of a first stimulation has been hypothesized to enhance efficacy. Computational models suggest sequential stimulation patterns with changing polarities to further enhance effects.
View Article and Find Full Text PDFPKCδ is an activator of neuronal mitochondrial metabolism that mediates the spacing effect on memory consolidation.
bioRxiv
June 2024
Energy & Memory, Brain Plasticity Unit, CNRS, ESPCI Paris, PSL Research University, 10 rue Vauquelin, 75005 Paris, France.
Relevance-based selectivity and high energy cost are two distinct features of long-term memory (LTM) formation that warrant its default inhibition. Spaced repetition of learning is a highly conserved cognitive mechanism that can lift this inhibition. Here, we questioned how the spacing effect integrates experience selection and energy efficiency at the cellular and molecular levels.
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