Results 11 to 20 of about 1,792,234 (236)
1. Irregular light falshes were played on to one eye of dark adapted rabbits for periods of 20‐80 min. The concentration of 5‐hydroxyindol‐3‐ylacetic acid (5‐HIAA) and of 5‐hydroxytryptamine (5‐HT) were estimated in left and right superior colliculi, thalami and hippocampi. 2.
M Vogt, K Fukui
semanticscholar +6 more sources
Effects of damage to superior colliculi and pre-tectum on movement discrimination in rhesus monkeys [PDF]
Eight rhesus monkeys (Macaca mulatta) were trained to detect an instantaneous lateral displacement of a small spot of light. The smallest movement for 79% correct performance was then determined. Severing the splenium of the corpus callosum, which has to be done to reveal the superior colliculi, had no effect on the movement threshold.
Cowey, A., Smith, B., Butter, Charles M.
semanticscholar +5 more sources
The involvement of the superior colliculi in hemispherectomized subjects with blindsight
Purpose: The ability in cortically blind patients to respond to visual stimuli without consciously experiencing has been termed ‘blindsight’. The goal of this study is to investigate the involvement of the superior colliculi (SC) in mediating blindsight in hemispherectomized (HS) subjects. Methods: We used the achromatic properties of collicular cells,
Sandra E. Leh +2 more
semanticscholar +4 more sources
[18F]-Fdg Pet Identified Superior Colliculi Hypometabolism in Progressive Supranuclear Palsy
Hypometabolism in the fronto-mesial cortex and in the anterior cingulate cortex were reported in patients with progressive supranuclear palsy (PSP). Severe neuronal loss, associated with gliosis and neurofibrillary tangles were reported in the superior colliculi of patients with PSP in the initial clinico-neuropathological description of the disease by
Alice Jaillard +4 more
semanticscholar +4 more sources
Origin and terminal distribution of the trigeminal projections to the inferior and superior colliculi in the lesser hedgehog tenrec [PDF]
AbstractThe trigemino‐tectal projections were investigated with anterograde and retrograde tracing techniques in the Madagascan lesser hedgehog tenrec, Echinops telfairi. There were prominent contralateral projections to the inferior colliculus (CoI) and the superior colliculus (CoS), each showing its own characteristic pattern of terminations.
H. Künzle
semanticscholar +5 more sources
The superior colliculus (SC) is a laminated subcortical structure in the mammalian midbrain, whose superficial layers receive visual information from the retina and the visual cortex. To date, its functional organization and development in the visual system remain largely unknown.
Zhou, IY +4 more
semanticscholar +7 more sources
Midbrain (level of superior colliculi)
Jeremy A. Jones, Gray's Illustrations
semanticscholar +3 more sources
The superior and inferior colliculi of the mole (Scalopus aquaticus machrinus) [PDF]
No Abstract.
Thomas N. Johnson
openaire +6 more sources
Inflammatory response of both retinas and superior colliculi to unilateral optic nerve axotomy
Objective: Unilateral optic nerve crush (ONC) induces a bilateral inflammatory reaction affecting both injured and contralateral un‐injured retinas. However, few works have investigated the spread of inflammation along visual pathway.
C. Galindo-Romero +8 more
semanticscholar +2 more sources
Deficits in the activation of human oculomotor nuclei in chronic traumatic brain injury [PDF]
Binocular eye movements form a finely-tuned system that requires accurate coordination of the oculomotor dynamics of the brainstem control nuclei when tracking the fine binocular disparities required for 3D vision.
Christopher W Tyler +3 more
doaj +3 more sources

