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Sensorimotor adaptation reveals systematic biases in 3D perception.
Sci Rep
January 2025
Brown University, Cognitive and Psychological Sciences, Providence, 02912, USA.
The existence of biases in visual perception and their impact on visually guided actions has long been a fundamental yet unresolved question. Evidence revealing perceptual or visuomotor biases has typically been disregarded because such biases in spatial judgments can often be attributed to experimental measurement confounds. To resolve this controversy, we leveraged the visuomotor system's adaptation mechanism - triggered only by a discrepancy between visual estimates and sensory feedback - to directly indicate whether systematic errors in perceptual and visuomotor spatial judgments exist.
View Article and Find Full Text PDFMyoelectric prosthetic hands are typically controlled to move between discrete positions and do not provide sensory feedback to the user. In this work, we present and evaluate a closed-loop, continuous myoelectric prosthetic hand controller, that can continuously control the position of multiple degrees of freedom of a prosthesis while rendering proprioceptive feedback to the user via a haptic feedback armband. Twenty-eight participants without and ten participants with upper limb difference (ULD) were recruited to holistically evaluate the physical and psychological effects of the controller via isolated control and sensory tasks, dexterity assessments, embodiment and task load questionnaires, and post-study interviews.
View Article and Find Full Text PDFReal-Time fMRI Neurofeedback Modulation of Dopaminergic Midbrain Activity in Young Adults With Elevated Internet Gaming Disorder Risk: Randomized Controlled Trial.
J Med Internet Res
January 2025
Centre for Cognitive and Brain Sciences, Institute of Collaborative Innovation, University of Macau, Macau, China.
This study provides preliminary evidence for real-time functional magnetic resonance imaging neurofeedback (rt-fMRI NF) as a potential intervention approach for internet gaming disorder (IGD). In a preregistered, randomized, single-blind trial, young individuals with elevated IGD risk were trained to downregulate gaming addiction-related brain activity. We show that, after 2 sessions of neurofeedback training, participants successfully downregulated their brain responses to gaming cues, suggesting the therapeutic potential of rt-fMRI NF for IGD (Trial Registration: ClinicalTrials.
View Article and Find Full Text PDFReactions to disclosed biofeedback information on skin DNA damage in individuals after a beach holiday: a mixed methods intervention study.
Photochem Photobiol Sci
January 2025
Department of Prevention and Information, Danish Cancer Society, Copenhagen, Denmark.
Background: The incidence of skin cancer among Danes is one of the highest in the world. Most skin cancers are, however, avoidable with sun protection and reduction of exposure. One way to increase awareness could be through personal biofeedback information about skin DNA damage.
View Article and Find Full Text PDFPsychological intervention for knee osteoarthritis: a systematic review and meta-analysis.
Psychol Health Med
January 2025
Department of Physical Therapy, School of Health Sciences, Shinshu University, Matsumoto, Japan.
This systematic review and meta-analysis aimed to evaluate the effectiveness of psychological interventions compared to standard rehabilitation in patients with knee osteoarthritis (OA). Given the recognized influence of psychological factors in OA management, the review assessed their impact on pain, functional disability, and self-efficacy. A comprehensive search was performed across multiple databases, including PubMed, PsycINFO, CINAHL, the Cochrane Central Register of Controlled Trials, Web of Science, OpenGrey, and ClinicalTrials.
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