Results 91 to 100 of about 8,315 (203)

Mouse models for pseudoxanthoma elasticum: genetic and dietary modulation of the ectopic mineralization phenotypes.

open access: yesPLoS ONE, 2014
Pseudoxanthoma elasticum (PXE), a heritable ectopic mineralization disorder, is caused by mutations in the ABCC6 gene. Null mice (Abcc6(-/-) ) recapitulate the genetic, histopathologic and ultrastructural features of PXE, and they demonstrate early and ...
Qiaoli Li   +5 more
doaj   +1 more source

A Biomimetic Haptic Sensor

open access: yesInternational Journal of Advanced Robotic Systems, 2008
The design and implementation of the periphery of an artificial whisker sensory system is presented. It has been developed by adopting a biomimetic approach to model the structure and function of rodent facial vibrissae.
Ben Mitchinson   +6 more
doaj  

Whisker encoding of mechanical events during active tactile exploration

open access: yesFrontiers in Behavioral Neuroscience, 2012
Rats use their whiskers to extract a wealth of information about their immediate environment, such as the shape, position or texture of an object. The information is conveyed to mechanoreceptors located within the whisker follicle in the form of a ...
Yves eBoubenec   +2 more
doaj   +1 more source

Sensory prediction on a whiskered robot: A tactile analogy to "optic flow"

open access: yesFrontiers in Neurorobotics, 2012
When an animal moves an array of sensors (e.g., the hand, the eye) through the environment, spatial and temporal gradients of sensory data are related by the velocity of the moving sensory array.
Christopher L Schroeder   +2 more
doaj   +1 more source

Locations of traditional morphometric measurements on beaded and smooth vibrissae.

open access: yes, 2013
A ringed seal (top) and California sea lion (bottom) vibrissa are shown with locations of three traditional morphometric measurements (peak-to-peak distance, crest width and trough width) indicated by the black arrows. The measurements are labeled by the
Thomas J. DeWitt (327556)   +3 more
core   +1 more source

Electrophysiological characterization of texture information slip-resistance dependent in the rat vibrissal nerve

open access: yesBMC Neuroscience, 2011
Background Studies in tactile discrimination agree that rats are able to learn a rough-smooth discrimination task by actively touching (whisking) objects with their vibrissae.
Albarracín Ana L   +2 more
doaj   +1 more source

Comparison of seal and rat vibrissae cross-sectional areas.

open access: yes, 2013
Comparison of seal and rat vibrissae cross-sectional areas.
Theodorus De Groot (287736)   +1 more
core   +1 more source

Vibrissae in exterior rows constrain values of relative pitch.

open access: yes, 2016
A. Vibrissae of the A-row show a relationship between θimpact, pitch, and distance that are close to a mirror image of the mappings for the D and E row vibrissae.
R. Blythe Towal (225186)   +2 more
core   +1 more source

Comparative Analysis of the Morphology and Materials Properties of Pinniped Vibrissae

open access: yes, 2012
Vibrissae (whiskers) are important components of the mammalian tactile sensory system, and primarily function as detectors of environmental vibrotactile cues.
Ginter, Carly C.
core   +1 more source

Constitutive and Conditional Mutant Mouse Models for Understanding Dopaminergic Regulation of Orofacial Movements: Emerging Insights and Challenges

open access: yesJournal of Pharmacological Sciences, 2012
Among numerous mechanisms implicated in the regulation of orofacial movements, dopamine-containing neurons have received the most extensive study. Here we review the effects of a) constitutive knockout of D1–5 dopamine receptors and b) conditional ...
Katsunori Tomiyama   +3 more
doaj   +1 more source

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