Tulving (1983, 1984) has recently claimed that a wide range of evidence supports the distinction between episodic and semantic memory systems. He has provided a list of features to describe the differences between the two systems and a set of experimental results to demonstrate the distinction. In this article, we present opposing evidence that invalidates many of the distinguishing features and contradicts interpretations of the supporting experiments. In addition, we argue that the question of whether there are two separate memory systems cannot be answered without a specific theory about the differences between the systems.
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http://dx.doi.org/10.1037//0278-7393.12.2.295 | DOI Listing |
PLoS One
January 2025
Department of Mathematics and General Sciences, Prince Sultan University, Riyadh, Saudi Arabia.
This study proposes and analyses a revised predator-prey model that accounts for a twofold Allee impact on the rate of prey population expansion. Employing the Caputo fractional-order derivative, we account for memory impact on the suggested model. We proceed to examine the significant mathematical aspects of the suggested model, including the uniqueness, non-negativity, boundedness, and existence of solutions to the noninteger order system.
View Article and Find Full Text PDFChaos
January 2025
AIMdyn, Inc., Santa Barbara, California 93101, USA.
Koopman operator theory has found significant success in learning models of complex, real-world dynamical systems, enabling prediction and control. The greater interpretability and lower computational costs of these models, compared to traditional machine learning methodologies, make Koopman learning an especially appealing approach. Despite this, little work has been performed on endowing Koopman learning with the ability to leverage its own failures.
View Article and Find Full Text PDFNeurochem Res
January 2025
Department of Neurology, Affiliated Hospital of Zunyi Medical University, Zunyi, China.
Alzheimer's disease (AD) is a central nervous system degenerative disease with a stealthy onset and a progressive course characterized by memory loss, cognitive dysfunction, and abnormal psychological and behavioral symptoms. However, the pathogenesis of AD remains elusive. An increasing number of studies have shown that oligodendrocyte progenitor cells (OPCs) and oligodendroglial lineage cells (OLGs), especially OPCs and mature oligodendrocytes (OLGs), which are derived from OPCs, play important roles in the pathogenesis of AD.
View Article and Find Full Text PDFCancer Immunol Immunother
January 2025
Public Center of Experimental Technology, The School of Basic Medical Sciences, Southwest Medical University, Luzhou, 646000, Sichuan Province, China.
Although immune checkpoint inhibitors have changed the treatment paradigm for non-small cell lung cancer (NSCLC), not all patients benefit from them. Therefore, there is an urgent need to explore novel immune checkpoint inhibitors. Neuropilin-1 (Nrp-1) is a unique immune checkpoint capable of exerting antitumor effects through CD8 T cells.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Department of Neurosciences, University of California San Diego, La Jolla, CA, USA.
Background: Alzheimer's disease (AD) is the most common tauopathy and characterized by the progressive accumulation of Aß and tau. Tau is expressed in two major isoforms containing either 3 or 4 c-terminal repeats labeled as 3R and 4R tau. While these two isoforms occur in roughly equimolar ratios in AD, most research focus and mouse models of tau center only the 4Rtau protein and not 3Rtau.
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