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Pinniped whiskers

Webb12 nov. 2011 · While in harbour seal whiskers the unique surface structure explains its high sensitivity, this more or less steady fundamental frequency might represent the mechanism underlying hydrodynamic reception in the fast swimming sea lion by being modulated in response to hydrodynamic stimuli impinging on the hair. Footnotes Webb10 sep. 2013 · Whiskers, more technically known as vibrissae, provide their owners with important sensory information about the world around them. The follicle of each whisker …

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WebbPinnipeds (seals, sea lions, etc.) use their whiskers to find and track hydrodynamic trails left by potential prey. Our group recently developed new underwater sensors based on pinniped whiskers, which not only exploit their characteristic geometries but also the dynamics of whisker follicles to improve and tailor sensing capabilities. The sensors are … WebbWhiskers are slender rod-like structures that, like pelage hair, are made of keratin. They have a layered cross-section, involving a cuticle, medulla, and cortex (Voges et al. 2012, … shipboard aircraft https://automotiveconsultantsinc.com

Whiskers as a novel tissue for tracking reproductive and …

WebbEuropean Association of Zoos and Aquaria (EAZA) 13,439 followers 1mo Webb10 maj 2024 · Since pinnipeds have the longest vibrissae of any taxonomic group, it would be interesting to see how they would fair with whiskers of typical length (Ginter et al. … Webb22 mars 2024 · Seals and sea lions belong to a group of marine mammals called pinnipeds, which means fin or flipper-footed. They are adapted for life in the ocean, but … shipboard aircraft handler

Does Vibrissal Innervation Patterns and Investment Predict …

Category:Vibrissal touch in pinnipeds - Scholarpedia

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Pinniped whiskers

Wondering About Whiskers – Neuroethology Blog

Webb10 jan. 2013 · Seals, Sea Lions, and Walrus: Pinnipeds. Pinnipeds are carnivores that have adapted to an amphibious marine existence. They forage at sea but most come ashore or onto ice at some time of the year to mate, give birth, suckle their young, or to molt. Many of their anatomical features reflect compromises needed to succeed in both marine and ... Pinnipeds – comprising seals, sea lions and walruses – have the longest whiskers, aka vibrissae, of all mammals. Among them, the pinniped with the longest whiskers is the Antarctic fur seal ( Arctocephalus gazella) with an individual whisker length of 48 centimetres (18.8 inches) from base to tip recorded in a bull described in British ...

Pinniped whiskers

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Webb5 nov. 2024 · Whiskers, Sensorimotor, Haptics, Tactile, Pinnipeds INTRODUCTION A key component of sensing is the ability to move sensors so as to extract task-specific information – a process referred to as active sensing ( Prescott et … Webb1 jan. 2024 · During active touch, the pinnipeds protrude their vibrissae to bring them in contact with the examined object. They do not show whisking behavior (moving whiskers actively back and forth), probably due to the high viscosity of water, but move the vibrissae across the object by lateral head movements.

Webb1 jan. 2024 · During active touch, the pinnipeds protrude their vibrissae to bring them in contact with the examined object. They do not show whisking behavior (moving … Webb1 apr. 2024 · Abstract Bio-mimicking the underwater sensors has tremendous potential in soft robotics, under water exploration and human interfaces. Pinniped are semiaquatic carnivores that use their whiskers to sense food by tracking the vortices left by potential prey. To detect and track the vortices inside the water, a fully 3D printed pinniped …

WebbWhile deep-diving pinnipeds developed dark-adapted vision ( 4, 5 ), it is hypothesized that they use their vibrissae, also known as whiskers or sinus hairs, to locate prey by detecting and following hydrodynamic trails generated by those prey. Do Deep-Diving Seals Use Whiskers to Find Prey in Nature? Webb2 juni 2024 · Pinniped vibrissae are well-adapted to sensing in an aquatic environment, by being morphologically diverse and more sensitive than those of terrestrial species. However, it is both challenging and time-consuming to measure vibrissal sensitivity in …

WebbPinnipeds (seals, sea lions, etc.) use their whiskers to find and track hydrodynamic trails left by potential prey. Our group recently developed new underwater Performance …

Webb12 nov. 2011 · Flow sensing by pinniped whiskers Philosophical Transactions of the Royal Society B: Biological Sciences Restricted access Supplemental Material Research article … shipboard arpaWebb28 maj 2015 · Vibrissal touch is the sensory modality that enables animals to detect and analyse objects and to orient themselves using their vibrissae (whiskers).Pinnipeds (Pinnipedia) are aquatic carnivores of the families Phocidae (true seals), Otariidae (eared seals), and Odobenidae (walruses).All pinnipeds possess prominent vibrissae (whiskers) … shipboard antennaWebb21 juli 2024 · 1 INTRODUCTION. Vibrissae, or whiskers, are present on the faces of most mammals (Ahl, 1986; Grant & Goss, 2024).They are slender, keratinized, tactile hairs that can vary across species in terms of their size, shape, number, and arrangement, as well as their degree of innervation and musculature (Muchlinski, Wible, Corfe, Sullivan, & Grant, … shipboard alarmsWebb12 nov. 2011 · In general, mammalian vibrissae are primarily sensory organs [16], used for a variety of ecological and behavioural functions: in pinnipeds, vibrissae are used for … shipboard approved furnitureWebb1 nov. 2011 · (a) Pinniped whiskers. Many pinniped species can be considered as opportunistic feeders, hunting on pelagic fishes as well as on benthic prey, for example … shipboard assessment systemWebb12 jan. 2024 · Whisker preparation and sectioning for steroid hormone extraction. Whiskers were sonicated for 10 minutes in deionized water, the outer and inner root … shipboard assentWebbA seal's whiskers can detect these hydrodynamic trails and track the fish's path, giving the seal the direction of the fish, distance from the fish and even an indication of the fish's size. Ben is convinced that seals can control the sensitivity of their whiskers. 'Sometimes they come and play with me and they will use their whiskers to feel ... shipboard application