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The head-twitch response (HTR), also sometimes known as wet dog shakes (WDS) in rats, is a rapid side-to-side head movement that occurs in mice and rats when the serotonin 5-HT 2A receptor is activated. [1] [2] Serotonergic psychedelics like lysergic acid diethylamide (LSD) and psilocybin consistently induce the HTR in rodents.
However, starting therapy as soon as possible generally leads to more favorable clinical recovery from head tilt and ataxia. If the neurological symptoms have been present for some time, complete healing (restitutio ad integrum) may take significantly longer. In particularly severe cases, it can take several months after the end of drug ...
Head-direction cells recorded from the postsubiculum in freely moving rats. I. Description and quantitative analysis. Taube JS, Muller RU, Ranck JB Jr. J Neurosci. 1990 Feb;10(2):420-35; Head-direction cells recorded from the postsubiculum in freely moving rats. II. Effects of environmental manipulations. Taube JS, Muller RU, Ranck JB Jr. J ...
Head direction cells were discovered by James B. Ranck, Jr., in the rat dorsal presubiculum, a structure that lies near the hippocampus on the dorsocaudal brain surface. Ranck reported his discovery in a Society for Neuroscience abstract in 1984. [ 33 ]
The vestibular system is composed of inner ear organs forming the "labyrinth": the semicircular canals, the otoliths, and the cochlea.The section below is an overview of the vestibular system, as it is crucial to the understanding of the righting reflex.
Climate change is contributing to a global rise in urban rat infestations, according to a new Science Advances study. As temperatures increase, rats are better able to thrive -- even in inclement ...
2000s and 2010s. Flared wide-leg jeans became popular again in the early aughts, often featuring low-rise waists that eventually fell to the wayside in favor of more universally flattering (and ...
A guinea pig with a head-tilt. In veterinary literature usually only the lateral bend of head and neck is termed torticollis, whereas the analogon to the rotatory torticollis in humans is called a head tilt. The most frequently encountered form of torticollis in domestic pets is the head tilt, but occasionally a lateral bend of the head and ...