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A new model of how we plan pathways through the world shows that populations of neurons that code our current position, including entorhinal grid cells and head direction cells, could interact to aid planning by scanning alternating forward trajectories through the environment.
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http://dx.doi.org/10.1016/j.cub.2024.09.017 | DOI Listing |
J Safety Res
September 2025
Vehicle Safety, Mechanics and Maritime Sciences, Chalmers University of Technology, SE 412 96 Gothenburg, Sweden.
Introduction: While previous research has focused on drivers' visual behaviors during normal driving, few studies have explored how age-related decline affects driver reactions in collisions. This study bridges this gap by investigating aging effects on driver responses in urban car-to-cyclist intersection scenarios.
Method: Twenty-four licensed drivers, younger (mean age 35.
PLoS Comput Biol
September 2025
Sussex Neuroscience, School of Life Sciences, University of Sussex, Brighton, United Kingdom.
Individually foraging ants use egocentric views as a dominant navigation strategy for learning and retracing routes. Evidence suggests that route retracing can be achieved by algorithms which use views as 'visual compasses', where individuals choose the heading that leads to the most familiar visual scene when compared to route memories. However, such a mechanism does not naturally lead to route approach, and alternative strategies are required to enable convergence when off-route and for correcting on-route divergence.
View Article and Find Full Text PDFInt J Oral Implantol (Berl)
September 2025
Purpose: To compare the accuracy of static guided surgery using a pilot drill guide and dynamic guided surgery for dental implant placement.
Materials And Methods: Partially edentulous adult patients requiring implant placement were randomly assigned to either the static guided surgery group using a pilot drill guide or the dynamic guided surgery group. Digital implant planning was conducted using intraoral scans and CBCT with planning software to determine the optimal prosthetic position.
Direct myelin imaging with inversion-recovery ultrashort-echo-time (IR-UTE) is highly motion-sensitive, yet extra hardware or longer scans are impractical. We evaluated whether a superior-inferior (SI) self-navigator with bit-reversed spoke-angles mitigates motion artifacts without extending acquisition. Dual-echo IR-UTE was implemented at 3T.
View Article and Find Full Text PDFIEEE Trans Biomed Eng
September 2025
Objective: Accurate preoperative planning for dental implants, especially in edentulous or partially edentulous patients, relies on precise localization of radiographic templates that guide implant positioning. By wearing a patientspecific radiographic template, clinicians can better assess anatomical constraints and plan optimal implant paths. However, due to the low radiopacity of such templates, their spatial position is difficult to determine directly from cone-beam computed tomography (CBCT) scans.
View Article and Find Full Text PDF