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Cognitive control refers to the ability to maintain goal-relevant information in the face of distraction, making it a core construct for understanding human thought and behavior. There is great theoretical and practical value in building theories that can be used to explain or to predict variations in cognitive control as a function of experimental manipulations or individual differences. A critical step toward building such theories is determining which latent constructs are shared between laboratory tasks that are designed to measure cognitive control. In the current work, we examine this question in a novel way by formally linking computational models of two canonical cognitive control tasks, the Eriksen flanker and task-switching task. Specifically, we examine whether model parameters that capture cognitive control processes in one task can be swapped across models to make predictions about individual differences in performance on another task. We apply our modeling and analysis to a large scale data set from an online cognitive training platform, which optimizes our ability to detect individual differences in the data. Our results suggest that the flanker and task-switching tasks probe common control processes. This finding supports the view that higher level cognitive control processes as opposed to solely strategies in speed and accuracy tradeoffs, or perceptual processing and motor response speed are shared across the two tasks. We discuss how our computational modeling substitution approach addresses limitations of prior efforts to relate performance across different cognitive control tasks, and how our findings inform current theories of cognitive control. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10257386 | PMC |
http://dx.doi.org/10.1037/rev0000395 | DOI Listing |
Clin Gerontol
December 2024
Baruch Ivcher School of Psychology, Reichman University, Herzliya, Israel.
Objectives: This study assessed the feasibility and efficacy of "Online Resilience," a three-lesson online intervention based on third-wave cognitive behavioral therapy (CBT) principles, inspired by acceptance and commitment therapy (ACT), designed for emotionally healthy adults aged 75 and older.
Methods: A randomized controlled study with 62 participants (mean age = 81) divided into Experimental and Control groups. Outcomes included resilience, well-being, mood, and sleep quality, measured pre-, post-, and at one-month follow-up.
Hum Brain Mapp
December 2024
Brain Imaging Centre, HUN-REN Research Centre for Natural Sciences, Budapest, Hungary.
Age-related atrophy of the human hippocampus and the enthorinal cortex starts accelerating at around age 60. Due to the contributions of these regions to many cognitive functions seamlessly used in everyday life, this can heavily impact the lives of elderly people. The hippocampus is not a unitary structure, and mechanisms of its age-related decline appear to differentially affect its subfields.
View Article and Find Full Text PDFHum Brain Mapp
December 2024
Department of Psychology, Northeastern University, Boston, Massachusetts, USA.
Diffusion-weighted imaging (DWI) has been frequently used to examine age-related deterioration of white matter microstructure and its relationship to cognitive decline. However, typical tensor-based analytical approaches are often difficult to interpret due to the challenge of decomposing and (mis)interpreting the impact of crossing fibers within a voxel. We hypothesized that a novel analytical approach capable of resolving fiber-specific changes within each voxel (i.
View Article and Find Full Text PDFFront Psychiatry
December 2024
Department of Research, Innlandet Hospital Trust, Brumunddal, Norway.
Objective: We aimed to explore how specific cognitive processes, such as attention and executive functions, account for variance in decision-making measured by Iowa Gambling Task (IGT) performance among individuals with schizophrenia spectrum disorders.
Methods: Adults ( = 65, = 25.4) with schizophrenia spectrum disorders participating in a clinical trial (registered at clinicaltrials.
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