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Temporal metacognition: Direct readout or mental construct? The case of introspective reaction time.
J Exp Psychol Gen
January 2025
Centre de Recherche en Psychologie et Neurosciences, Centre National de la Recherche Scientifique, Aix-Marseille Universite.
Deciphering whether and which mental processes are accessible for metacognitive judgments is a key question to understand higher cognitive functions. Paralleling the crucial role of reaction times (RT) for unraveling the temporal sequence of mental processes, a comparable chronometric approach can be employed at the second-order level through introspective reaction times (iRT) measures. Although mean iRT correlate with mean RT, suggesting good metacognitive abilities, this would not necessarily imply a direct readout of the duration of the underlying processes as participants may instead rely on inferences based on other salient, nontemporal, cues.
View Article and Find Full Text PDFAcute Effects of Fast vs. Slow Bench Press Repetitions with Equal Time Under Tension on Velocity, sEMG Activity, and Applied Force in the Bench Press Throw.
J Funct Morphol Kinesiol
December 2024
School of Physical Education and Sport Science, National and Kapodistrian University of Athens, 172 37 Athens, Greece.
The tempo of resistance exercises is known to influence performance outcomes, yet its specific effects on post-activation performance enhancement (PAPE) remain unclear. This study aimed to investigate the effects of fast versus slow repetitions at a load of 70% of one-repetition maximum (1-RM) in the bench press exercise, focusing on velocity, surface electromyographic (sEMG) activity, and applied force while equating time under tension on bench press throw performance. Eleven men (age: 23.
View Article and Find Full Text PDFThe Effects of Floor Isometric Trunk Extension Exercise on Muscle Thickness and Activation Vary Between Different Combinations of Duration and Repetition Number.
J Sport Rehabil
January 2025
Laboratory of Neuromechanics, Department of Physical Education and Sport Sciences, Aristotle University of Thessaloniki, Serres, Greece.
Context: Intermittent floor trunk extensions are popular exercises in group fitness programs. The aim of this study was to investigate whether fewer repetitions of longer isometric trunk extension efforts compared with more repetitions of shorter isometric contractions have different acute effects on muscle thickness and activation as well as perceived exertion.
Design: This study followed a cross-sectional design.
Objective: To explore the effect of combined rehabilitation training and transcutaneous vagus nerve electrical stimulation (t-VNS) on promoting central nervous system remodeling and neurological function recovery in stroke patients.
Methods: A total of 124 S patients admitted to our hospital from January to December 2023 were included in this study. The therapeutic effects were evaluated using the Modified Barthel Index (MBI) and the simplified Fugl-Meyer Assessment Scale (sFMA) to measure patients' activities of daily living and motor function recovery.
Unsupervised, piecewise linear decoding enables an accurate prediction of muscle activity in a multi-task brain computer interface.
J Neural Eng
January 2025
Department of Neuroscience, Northwestern University, 303 East Chicago Ave, Chicago, Illinois, 60611, UNITED STATES.
Objective: Creating an intracortical brain-computer interface (iBCI) capable of seamless transitions between tasks and contexts would greatly enhance user experience. However, the nonlinearity in neural activity presents challenges to computing a global iBCI decoder. We aimed to develop a method that differs from a globally optimized decoder to address this issue.
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