Trauma to branches of the mandibular nerve may occur during oral surgical procedures and result in varying degrees of altered sensation. Since mandibular implant surgery involves mucoperiosteal flap elevation and bone removal during site preparation, complications involving altered sensation are to be expected. This study replicated a retrospective questionnaire study carried out in Toronto, Canada, and showed that the prevalence of altered sensation in implant patients in Adelaide, Australia (36%) was consistent with that found in Toronto (37%). These data reflect the incidence of altered sensation reported for similar oral surgical procedures and suggest that further characterization of this complication following mandibular implant surgery is necessary.
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Proc Natl Acad Sci U S A
January 2025
Department of Communication Science and Disorders, University of Pittsburgh, Pittsburgh, PA 15213.
The auditory system is unique among sensory systems in its ability to phase lock to and precisely follow very fast cycle-by-cycle fluctuations in the phase of sound-driven cochlear vibrations. Yet, the perceptual role of this temporal fine structure (TFS) code is debated. This fundamental gap is attributable to our inability to experimentally manipulate TFS cues without altering other perceptually relevant cues.
View Article and Find Full Text PDFPLoS One
January 2025
Department of Human Kinetics, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada.
Demographic aging and extended working lives have prompted interest in the physiological changes that occur with age, particularly in the lumbar spine. Age-related declines in muscle quality and intervertebral disc alterations may reduce muscular endurance, strength, and postural stability, potentially increasing the risk of musculoskeletal injuries in older workers. As experienced workers play an important role in addressing labor shortages, understanding the impact of age-related physiological changes on the biomechanical properties of the lumbar spine is key to ensure safe and sustainable employment for aging individuals.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Memory & Aging Center, Department of Neurology, University of California in San Francisco, San Francisco, CA, USA.
Background: Although frontotemporal dementia (FTD) with right anterior temporal lobe (RATL) predominance has been recognized as a separate FTD subtype, a uniform description of the syndrome is still missing. This multicenter study, led by an international working group (IWG), aims to establish a cohesive clinical phenotype and lay the groundwork for consensus on terminology and diagnostic standards.
Method: Retrospective clinical data were systematically collected across 18 dementia centers.
eNeuro
January 2025
Department of Rehabilitation Medicine, Kansai Medical University, 2-5-1 Shin-machi, Hirakata, Osaka 573-1010, Japan.
The subjective visual vertical (VV), the visually estimated direction of gravity, is essential for assessing vestibular function and visuospatial cognition. In this study, we aimed to investigate the mechanisms underlying altered VV perception in stroke participants with unilateral spatial neglect (USN), specifically by examining their eye movement patterns during VV judgment tasks. Participants with USN demonstrated limited eye movement scanning along a rotating bar, often fixating on prominent ends, such as the top or bottom.
View Article and Find Full Text PDFBrain Behav
January 2025
Department of General Practice, Yantaishan Hospital Affiliated to Binzhou Medical University, Yantai, China.
Introduction: Persistent postural-perceptual dizziness (PPPD) is the most prevalent chronic functional dizziness in the clinic. Unsteadiness, dizziness, or non-spinning vertigo are the main symptoms of PPPD, and they are typically aggravated by upright posture, active or passive movement, and visual stimulation. The pathogenesis of PPPD remains incompletely understood, and it cannot be attributed to any specific anatomical defect within the vestibular system.
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