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The benefit of extrinsic motivation on effortful cognitive control is influenced by need for cognition.
Psychol Res
January 2025
School of Psychology, Shenzhen University, Shenzhen, China.
Extrinsic motivation can foster effortful cognitive control. Moreover, the selective coupling of extrinsic motivation on low- versus high-control demands tasks would exert an additional impact. However, to what extent their influences are further modulated by the level of Need for Cognition (NFC) remains unclear.
View Article and Find Full Text PDFPractical Implementation of Federated Learning for Detecting Backdoor Attacks in a Next-word Prediction Model.
Sci Rep
January 2025
Research and Development Office, The Education University of Hong Kong, Hong Kong, China.
This article details the development of a next-word prediction model utilizing federated learning and introduces a mechanism for detecting backdoor attacks. Federated learning enables multiple devices to collaboratively train a shared model while retaining data locally. However, this decentralized approach is susceptible to manipulation by malicious actors who control a subset of participating devices, thereby biasing the model's outputs on specific topics, such as a presidential election.
View Article and Find Full Text PDFExploring stress hormone effects on memory specificity and strength in mice using the dual-event inhibitory avoidance task.
Learn Mem
January 2025
Department of Cognitive Neuroscience, Radboud university medical center, 6500 HB Nijmegen, The Netherlands
Stressful and emotionally arousing experiences induce the release of noradrenergic and glucocorticoid hormones that synergistically strengthen memories but differentially regulate qualitative aspects of memory. This highlights the need for sophisticated behavioral tasks that allow for the assessment of memory quality. The dual-event inhibitory avoidance task for rats is such a behavioral task designed to evaluate both the strength and specificity of memory.
View Article and Find Full Text PDFThe impact of induced stress on reactive and proactive control in depression.
PeerJ
January 2025
Department of Psychology, Aichi University of Education, Kariya, Aichi, Japan.
Background: Depression, a widespread mental health issue, is often marked by impaired cognitive control, particularly in managing proactive and reactive processes. The Dual Mechanisms of Control (DMC) framework differentiates between these two modes of cognitive control: proactive control involves sustained goal maintenance, while reactive control is more stimulus-driven and transient. Stress, known to exacerbate cognitive dysfunction in depression, may influence the balance between these control processes, though the specific effects remain poorly understood.
View Article and Find Full Text PDFPrior Information Shapes Perceptual Confidence.
J Cogn
January 2025
Dipartimento di Psicologia, Universitàdi Bologna and Centro studi e ricerche in Neuroscienze Cognitive, Universitàdi Bologna, Cesena, Italy.
Decisional confidence refers to the subjective evaluation of the accuracy of a decision based on sensory information. While these judgments are typically grounded in the strength of evidence leading to a decision, they are also subjected to influence from top-down factors such as prior expectations. Previous research has highlighted the impact of prior information on decision parameters such as reaction times and decision criteria placement.
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