Accumulating evidence suggests that the synchronization of neuronal activity plays an important role in memory formation. In particular, several recent studies have demonstrated that enhanced synchronous activity within and among medial temporal lobe structures is correlated with increased memory performance in humans and animals. Modulations in rhythmic synchronization in the gamma-frequency (30-100 Hz) and theta-frequency (4-8 Hz) bands have been related to memory performance, and interesting relationships have been described between these oscillations that suggest a mechanism for inter-areal coupling. Neuronal synchronization has also been linked to spike timing-dependent plasticity, a cellular mechanism thought to underlie learning and memory. The available evidence suggests that neuronal synchronization modulates memory performance as well as potential cellular mechanisms of memory storage.
Download full-text PDF |
Source |
---|---|
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2862842 | PMC |
http://dx.doi.org/10.1016/j.conb.2010.02.006 | DOI Listing |
Geroscience
January 2025
Laboratory of Imaging and Biomarkers in Cognitive Disorders, School of Medical Sciences, Universidade Estadual de Campinas, Campinas, Brazil.
Mild cognitive impairment (MCI) refers to cognitive alterations with preservation of functionality. Individuals with this diagnosis have a higher risk of developing dementia. Non-pharmacological interventions, such as physical exercise, are beneficial for the cognition of this population.
View Article and Find Full Text PDFNutr Neurosci
January 2025
Department of Nutrition, Federal University of Pernambuco, Recife, Brazil.
Objectives: Maternal protein malnutrition alters brain functioning, impairing fetal development. Physical exercise during gestation benefits the fetal organism from maternal adaptive changes that may be neuroprotective. This study evaluated the effect of a low-protein diet associated with maternal voluntary physical activity (VPA) on rats' behavioral and brain electrophysiological parameters in the mother-pup dyad.
View Article and Find Full Text PDFImmunol Rev
December 2024
Laboratory of Immunobiology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA.
αβT cells protect vertebrates against many diseases, optimizing surveillance using mechanical force to distinguish between pathophysiologic cellular alterations and normal self-constituents. The multi-subunit αβT-cell receptor (TCR) operates outside of thermal equilibrium, harvesting energy via physical forces generated by T-cell motility and actin-myosin machinery. When a peptide-bound major histocompatibility complex molecule (pMHC) on an antigen presenting cell is ligated, the αβTCR on the T cell leverages force to form a catch bond, prolonging bond lifetime, and enhancing antigen discrimination.
View Article and Find Full Text PDFAppl Neuropsychol Child
January 2025
Department of Speech Therapy, Tehran University of Medical Sciences, Tehran, Iran.
The present study examined the effects of orthographic knowledge (OK), phonological awareness (PA), rapid automatized naming (RAN), and phonological working memory (PWM) on the reading speed, accuracy, and comprehension of elementary school students. Results from a sample of 176 typically developing children in the second through fourth grades (mean age = 8.9 years) revealed that the correlation between reading and the other variables (PWM, PA, RAN, and OK) was significant.
View Article and Find Full Text PDFMater Horiz
January 2025
School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of HBNI, Bhubaneswar, 752050, Odisha, India.
Neuromorphic and fully analog in-memory computations are promising for handling vast amounts of data with minimal energy consumption. We have synthesized and studied a series of homo-bimetallic silver purine MOFs (1D and 2D) having direct metal-metal bonding. The N7-derivatized purine ligands are designed to form bi-metallic complexes under ambient conditions, extending to a 1D or 2D metal-organic framework.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!