colliculus


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Related to colliculus: seminal colliculus

colliculus

[kə′lik·yə·ləs]
(anatomy)
Any of the four prominences of the corpora quadrigemina.
The anterolateral, apical elevation of the arytenoid cartilages.
(neuroscience)
The elevation of the optic nerve where it enters the retina.
References in periodicals archive ?
This insignificant alteration in V ipsilateral amplitude may be explained by the fact that the V wave corresponds to the analysis of information at the level of inferior colliculus.
Neck muscle responses to stimulation of monkey superior colliculus.
Secondly, connected point A and B, and draw a plane perpendicular to line AB through the tip of anterior colliculus of medial malleolus (point D).
Accommodation and convergence palsy caused by lesions in the bilateral rostral superior colliculus.
For instance, in barn owls (Tyto alba), visual experience tunes the map of auditory space in the inferior colliculus (Feldman and Knudsen, 997), which can improve ability to locate prey.
In one experiment, the superior colliculus (SC) was sectioned in hamsters--with the injury site in experimental animals treated with SAPNS while control animals were treated with saline.
The topics include the physics of sound, the anatomy and physiology of the cochlea, the lateral lemniscus and inferior colliculus, perceptual correlates of frequency coding in the auditory system, and intensity coding throughout the auditory system.
Tableau 1 Quatre principaux neuromodulateurs ascendants, leurs origines et leurs principales cibles Neuromodulateur Origine de la Cibles principales projection Dopamine (DA) Pars compacta de la Striatum dorsal substance noire, aire Striatum ventral tegmentale ventrale Cortex frontal Serotonine (5HT) Noyau du raphe dorsal, Cortex, striatum, noyau du raphe median cervelet Hippocampe Noradrenaline (NA) Locus coeruleus Cortex, hippocampe, cervelet Acetylcholine (ACh) Noyau basal de Meynert Cortex, amygdale Septum median Noyau Hippocampe Pars tegmental compacta de la pedonculopontin substance noire, thalamus Colliculus superieur
Les ganglions de la base qui sont essentiels dans la selection de l'action font partie d'une cascade inhibitrice : par exemple, ils inhibent le colliculus superieur qui controle le mouvement des yeux.
The researchers used genetically modified mice with abnormal connections in an area of the brain called the superior colliculus (SC), which is involved in motion detection.