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Subsets of extraocular motoneurons produce kinematically distinct saccades during hunting and exploration.
Curr Biol
January 2025
Department of Neuroscience, Physiology & Pharmacology, UCL, Gower Street, London WC1E 6BT, UK. Electronic address:
Animals construct diverse behavioral repertoires by moving a limited number of body parts with varied kinematics and patterns of coordination. There is evidence that distinct movements can be generated by changes in activity dynamics within a common pool of motoneurons or by selectively engaging specific subsets of motoneurons in a task-dependent manner. However, in most cases, we have an incomplete understanding of the patterns of motoneuron activity that generate distinct actions and of how upstream premotor circuits select and assemble such motor programs.
View Article and Find Full Text PDFAre We Moving Too Fast?: Representation of Speed in Static Images.
J Cogn
January 2025
Department of Communication and Cognition, Tilburg School of Humanities and Digital Sciences, Tilburg University, The Netherlands.
Despite pictures being static representations, they use various cues to suggest dynamic motion. To investigate the effectiveness of different motion cues in conveying speed in static images, we conducted 3 experiments. In Experiment 1, we compared subjective speed ratings given for motion lines trailing behind movers, suppletion lines replacing parts of the movers and backfixing lines set in the background against the baseline of having no extra cue.
View Article and Find Full Text PDFSignal Detection by Sensors and Determination of Friction Coefficient During Brake Lining Movement.
Sensors (Basel)
December 2024
Faculty of Mechanical Engineering, Lublin University of Technology, 36 Nadbystrzycka St., 20-618 Lublin, Poland.
This article presents a laboratory device by which the course of two signals can be detected using two types of sensors-strain gauges and the DEWESoft DS-NET measuring apparatus. The values of the coefficient of friction of the brake lining when moving against the rotating shell of the brake drum were determined from the physical quantities sensed by tensometric sensors and transformed into electrical quantities. The friction coefficient of the brake lining on the circumference of the rotating brake disc shell can be calculated from the known values measured by the sensors, the design dimensions of the brake, and the revolutions of the rotating parts system.
View Article and Find Full Text PDFHistological Dissection of Fusarium-Banana Interaction Using a GFP-Tagged Subtropical Race 4 Strain of f. sp. on Banana Cultivars with Differing Levels of Resistance.
Microorganisms
December 2024
School of Agriculture and Food Sustainability, The University of Queensland, St. Lucia, QLD 4072, Australia.
Fusarium wilt, caused by f. sp. (), poses a significant threat to global banana production.
View Article and Find Full Text PDFEarthworm inspired lubricant self-pumping hydrogel with sustained lubricity at high loading.
Nat Commun
January 2025
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, China.
The development of mechanically robust super-lubrication hydrogel materials with sustained lubricity at high contact pressures is challenging. In this work, inspired by the durable lubricity feature of the earthworm epidermis, a multilevel structural super-lubrication hydrogel (MS-SLH) system, the so-called lubricant self-pumping hydrogel, is developed. The MS-SLH system is manufactured by chemically dissociating a double network hydrogel to generate robust and wrinkled lubrication layer, and then laser etching was used to generate cylindrical texture pores as gland-like pockets for storing lubricants.
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