Results 181 to 190 of about 1,792,234 (236)
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Spatiotemporal patterns of ontogenetic expression of parvalbumin in the superior colliculi of rats and rabbits

The Journal of Comparative Neurology, 1998
We have examined the development of parvalbumin immunoreactivity in the superior colliculi (SC) of the perinatal and mature rats and rabbits. In mature animals, parvalbumin-expressing cells (PECs) and neuropil in the retinorecipient layers were distributed in a continuous single band extending throughout the entire extent of the colliculus, whereas ...
Bogdan Dreher, D.A. Barker
openaire   +4 more sources

Morphological and electrophysiological characteristics of the commissural system in the superior colliculi for control of eye movements

Progress in Brain Research, 2019
Commissural connections between the superior colliculi (SCs) were well known anatomically, and assumed to be only inhibitory in relation to visual inputs. However, by recording intracellular potentials, we revealed that a strong monosynaptic excitatory commissural connection exists between the rostral SCs of the cat.
M. Takahashi
openaire   +4 more sources

Auditory and visual interactions between the superior and inferior colliculi in the ferret

European Journal of Neuroscience, 2015
AbstractThe integration of visual and auditory spatial information is important for building an accurate perception of the external world, but the fundamental mechanisms governing such audiovisual interaction have only partially been resolved. The earliest interface between auditory and visual processing pathways is in the midbrain, where the superior (
Edgar Galindo-Leon   +5 more
openaire   +4 more sources

Evidence that superior colliculi are involved in the control of amygdala-kindled seizures

open access: closedNeuroscience Letters, 1990
The effects of bilateral high radiofrequency lesions of superior colliculus (SC) were studied on amygdala kindling. The results demonstrate that a selective destruction of the SC only slightly facilitated the development of kindling. However, the most remarkable effect was the increase of afterdischarge and motor seizure duration observed when SC ...
P. N'gouemo, Gérard Rondouin
openaire   +4 more sources

Some Observations on the Superior Colliculi of the Cat by J. Altman

open access: closed, 1961
The observations I should like to communicate to you in this discussion on the optic tectum were made by Dr. Joseph Altman in the course of his work for a doctoral dissertation2. Dr. Joseph Altman undertook these studies for three reasons: 1. Just as Professor Doty, he believes that the optic tectum may play a greater role in the visually-guided
Hans‐Lukas Teuber
  +5 more sources

The Superior And Colliculi Of The Mole (scalopus Aquaticus Machrinus).

open access: closed, 1953
PhD ; Anatomy & physiology ; University of Michigan, Horace H. Rackham School of Graduate Studies ; http://deepblue.lib.umich.edu/bitstream/2027.42/183455/2/0005051 ...
Thomas N. Johnson
openaire   +3 more sources

Functions of the Superior Colliculi in Vision

The Pedagogical Seminary and Journal of Genetic Psychology, 1936
J. D. Layman
openaire   +3 more sources

Effect of activation and destruction of the superior colliculi on seizure activity in rats

open access: closedBulletin of Experimental Biology and Medicine, 1991
G. N. Kryzhanovskii   +3 more
openaire   +3 more sources

Neurogenetic gradients in the superior and inferior colliculi of the rhesus monkey

Journal of Comparative Neurology, 1981
AbstractThe spatiotemporal patterns of neurogenesis in the superior colliculus (SC) and inferior colliculus (IC) were analyzed by plotting the positions of heavily labeled neurons in autoradiograms from a series of rhesus monkeys that had been exposed to 3H‐thymidine at various embryonic (E) days and killed either shortly thereafter or at 2–3 months ...
Pasko Rakic, Michael Lee Cooper
openaire   +3 more sources

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