Center superior colliculi. Medical search. Frequent questions

In neuroanatomy, the superior colliculus (from Latin 'upper hill') is a structure lying on the roof of the mammalian midbrain. (wikipedia.org)
In mammals, the superior colliculus forms a major component of the midbrain. (wikipedia.org)
The superior colliculi are a structure of the dorsal midbrain and are part of the mesencephalic tectum. (wikipedia.org)
Basal ganglia reign through downstream control of motor centers in midbrain and brain stem while updating cortex with efference copy information. (ki.se)
Most axons in the optic nerve are connected to the lateral geniculate nucleus of the thalamus for processing to perception, while the others transmit information to the superior colliculus of the midbrain, which helps control eye movements. (explorable.com)
The midbrain is located above the hindbrain, the cerebral cortex, and situated near the center of the brain overall. (databasefootball.com)
In particular, it provides further evidence for the involvement of the midbrain superior colliculus (SC) - a sensory structure linked to orienting the eyes and head towards salient stimuli - in ADHD (located towards the top of the image). (staffs.ac.uk)

Note on terminology: This article follows terminology established in the literature, using the term "superior colliculus" when discussing mammals and "optic tectum" when discussing either specific non-mammalian species or vertebrates in general. (wikipedia.org)
The microstructure of the superior colliculus and of the optic tectum, varies across species. (wikipedia.org)
The approach taken in this article is to follow the literature by using the term "superior colliculus" when discussing mammals, and "optic tectum" when discussing either specific non-mammalian species or vertebrates in general. (absoluteastronomy.com)
The tectum/superior colliculus as the vertebrate solution for spatial sensory integration and action. (ki.se)
I am currently studying the response and recovery after neural injury in the optic tectum (a region analogous to the mammalian superior colliculus) of Xenopus laevis tadpoles. (anthropogeny.org)

They are overlapped by the pulvinar of the thalamus, and a medial geniculate nucleus of the thalamus is situated lateral to either superior colliculus. (wikipedia.org)
The brachium of superior colliculus (or superior brachium) is a branch that extends laterally from the superior colliculus, and, passing to the thalamus between the pulvinar and the medial geniculate nuclei, is partly continued into an eminence called the lateral geniculate nucleus, and partly into the optic tract. (wikipedia.org)
citation needed] The superior colliculus is associated with a nearby structure called the parabigeminal nucleus, often referred to as its satellite. (wikipedia.org)
Since various bands of fibers (fibers of the fasciculus retroflexus, rootlets of the oculomotor nerve, and fibers of the superior cerebellar peduncle) pass through the red nucleus (3, 4) , it has been proposed that these myelinated fiber bundles constitute the lamellae (1) . (ajnr.org)
Where retinal ganglion cell axons meet lateral geniculate nucleus axons before synapsing onto neurons in the anterior pretectal area behind the superior colliculi. (articlesall.com)
By contrast, gI and gE null mutants do not infect a specific subset of the visual centers, e.g., the superior colliculus and the dorsal lateral geniculate nucleus. (princeton.edu)
and the nucleus of the inferior colliculus is very significant. (co.ma)
The superior part contains a large and striking nuclear mass, termed the nucleus ruber or the red tegmental nucleus (Fig. 521). (co.ma)
in the superior part, the nucleus of the oculomotor nerve is situated. (co.ma)
Both of the superior colliculi are linked to a respective lateral geniculate nucleus. (databasefootball.com)
Much like the superior colliculi, the inferior colliculi are connected to the corresponding medial geniculate nucleus, and they send information to them. (databasefootball.com)
Reorganization of Mn2+ uptake in the superior olivary complex and cochlear nucleus was dependent upon tinnitus status. (cdc.gov)

Altered spectral localization cues disrupt the development of the auditory space map in the superior colliculus of the ferret. (ox.ac.uk)
Spectral localization cues provided by the outer ear are utilized in the construction of the auditory space map in the superior colliculus (SC). (ox.ac.uk)
Near the superior colliculi are the inferior colliculi, which are responsible for the processing of auditory information and are found just above the trochlear nerve. (databasefootball.com)
We investigated 20 students from a Center for Diagnosis and Rehabilitation, with no hearing impairment, all female aged 15-30 years old, who were screened for brainstem auditory evoked potential, which presented stimuli in different polarities ranges, including condensation and rarefaction in different presentation rates of 21.7, 27.7 and 47.7 stimuli per second. (bvsalud.org)
The only binding sites of synapse in the auditory numerals appear to represent successive tracts and/ pathways of the brainstem are the inferior colliculus or auditory pathway synapses. (bvsalud.org)

There are changes in the central projections from the cerebellum into the vestibular nuclei, NPH, oculomotor nuclei, superior colliculus and basal ganglia. (thebrainhealthmagazine.com)

We talked about studying how these neurons project to the colliculus back in 2013, and we've since worked on numerous grant-funded projects together," Fox said. (medindia.net)
Anterior cingulate cortex neurons project connections to the superior colliculus. (neurosciencenews.com)

A very considerable tract of ascending fibres takes origin within the inferior colliculus and passes upwards, in the inferior brachium, into the tegmentum subjacent to the medial geniculate body. (co.ma)
Nerve-fibres reach the superior colliculus through-(1) the lemnisci and (2) the superior brachium. (co.ma)
The superior brachium contains fibres of two different kinds, viz. (co.ma)

We evaluated this hypothesis by measuring the onset of neural activity in the intermediate layers of the superior colliculus while monkeys generated saccades to high or low-intensity visual stimuli. (ox.ac.uk)
However, recent results from combined PFC deactivation and neural recordings of the superior colliculus in monkeys demonstrate that the primary influence of the PFC on the oculomotor system is excitatory, and stands in direct contradiction to the inhibitory model of PFC function. (nih.gov)
2020-02-29 -Provides a pathway for tracts running btwn higher and lower neural centers. (web.app)

Fox and his team examined how a specific subtype of optic nerve cells - ipsilateral retinal ganglion cells - finds its way to the superior colliculus during brain development. (medindia.net)
The researchers used a virus to identify which types of neurons the retinal ganglion cells made connections with once inside the superior colliculus. (medindia.net)
We used stereotaxic central nervous system injection of a fluorescent retrograde tracer into the superior colliculus and subsequent inoculation of a PRV gI-gE double null mutant into the eye of the same animal to demonstrate that viral antigen and fluorescent tracer colocalize in retinal ganglion cells. (princeton.edu)
These experiments provide additional proof that the retinal ganglion cells projecting to the superior colliculus are susceptible and permissive to gE and gI mutant viruses. (princeton.edu)

The medulla oblongata contains nuclei that control many basic functions, including the cardiac center, the vasomotor center, the respiratory centers, and many other involuntary functions such as swallowing, coughing, salivating, sweating, and gastrointestinal secretion. (lumenlearning.com)
When, on the other hand, the cochlear terminal nuclei are destroyed, fibres which have undergone atrophy may be followed to the inferior colliculi of both sides, but particularly to that of the opposite side (Baginski, Bumm, and Ferrier and Turner). (co.ma)
The oculomotor nuclei are found alongside the superior colliculus. (databasefootball.com)
In contrast, the trochlear nuclei are found at the level of the inferior colliculus and they help refine vision, focusing the eyes on proximal objects. (databasefootball.com)

The superior colliculus, which is older in terms of evolution, is typically less studied and considered less vital for visual perception even though it is responsible for saccades, rapid eye movement between two fixed points, as well as facial recognition. (kyoto-u.ac.jp)
Humans perceives the world by directing the center of gaze from one location to another via rapid eye movements, called saccades. (mpg.de)

Researchers from the Center for Cognition and Sociality within the Institute for Basic Science (IBS) identified the brain pathway where ABS works to induce a persistent fear reduction. (sciencedaily.com)

Trained monkeys performed a two-choice perceptual decision-making task in which they reported the perceived orientation of a dynamic Glass pattern, before and after unilateral, reversible, inactivation of a brainstem area-the superior colliculus (SC)-involved in preparing eye movements. (nature.com)
We previously showed that superior colliculus (SC) visuomovement neurons recorded while monkeys perform visual search tasks have discriminating ability that exceeds the monkey's discriminating ability, suggesting that there is substantial noise added to this neuronal population [ 1 ]. (biomedcentral.com)

It is a paired structure and together with the paired inferior colliculi forms the corpora quadrigemina. (wikipedia.org)
the inferior and superior colliculi are known collectively as the corpora quadrigemina (Latin for quadruplet bodies). (wikipedia.org)

The superior colliculus is a layered structure, with a pattern that is similar to all mammals. (wikipedia.org)
In mammals, and especially primates, the massive expansion of the cerebral cortex reduces the superior colliculus to a much smaller fraction of the whole brain. (wikipedia.org)
Speaking broadly, it may be stated that the inferior colliculi become prominent only in mammals, and then they are invariably correlated with a spirally wound and welldeveloped cochlea. (co.ma)

citation needed] The superior colliculus is a synaptic layered structure. (wikipedia.org)

The posterior half of the IAC is occupied by the superior and inferior branches of the vestibular nerve. (medscape.com)

By the former it is connected with both retina, and by the latter with the visual centre in the occipital region of the cerebral cortex. (co.ma)

Nestled deep in the middle of the vertebrate brain is a multi-sensory integration and movement control center called the superior colliculus. (medindia.net)
The brain is the center of the nervous system in all vertebrate and most invertebrate animals-only a few primitive invertebrates such as sponges, jellyfish, sea squirts and starfishes do not have one. (absoluteastronomy.com)

Centers for Disease Control and Prevention. (cdc.gov)
Centers for Disease Control few bits in the does not demonstrate post impairing lipid mobilization to but I would refrain work to a distinguished with small yolk size. (aetechnologies.com)
The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. (cdc.gov)

The premotor cortex is more lateral, whereas the supplemental motor area is more medial and superior. (foobrdigital.com)

In primates, the superior colliculus has been studied mainly with respect to its role in directing eye movements. (wikipedia.org)
Even in primates, however, the superior colliculus is also involved in generating spatially directed head turns, arm-reaching movements, and shifts in attention that do not involve any overt movements. (wikipedia.org)
It remains nonetheless important in terms of function as the primary integrating center for eye movements. (wikipedia.org)
In rodents, this brain region integrates multi-sensory inputs - visual cues, sounds, touch information, and smells - and delivers output signals to a variety of motor control centers in the brain, coordinating the animal's movements in response to its environment. (medindia.net)
Even there, however, it remains very important in terms of function as the primary integrating center for eye movements. (absoluteastronomy.com)
The superior colliculus carries out reflexive movements. (neurosciencenews.com)

The superior colliculi are linked with the nerves located in the neck. (databasefootball.com)

These clusters are found in many brain regions, for example, the visual cortex and the superior colliculus. (kyoto-u.ac.jp)
He adds that his results, however, suggest the clustering of neurons in the superior colliculus changes in response to the condition of the brain to process visual information efficiently. (kyoto-u.ac.jp)
These growing cells eventually branch off to shape thousands of intricate connections in precise brain regions, including the superior colliculus. (medindia.net)
Given this connected visual-attentional processes is commonly used for post-traumatic stress disorder (PTSD) patients, the researchers hypothesized that a brain region responsible for the eye-movement and attention -- the superior colliculus (SC) -- may be involved in the fear-reducing effect of ABS. (sciencedaily.com)
Superior view of the brain. (lumenlearning.com)
The primary line of information transmission is from photoreceptor to bipolar cell to ganglion cell and then to the brain, but the amacrine and horizontal cells provide lateral transmission lines that can produce the complicated center-surround receptive fields of ganglion cells. (medscape.com)
These projects toward the hypothalamus and brain stem centers, controlling pupil size via the parasympathetic system. (articlesall.com)
Following infection of the rat retina with wild-type PRV, virus replicates in retinal ganglion neurons and anterogradely spreads to infect all visual centers in the brain. (princeton.edu)
Clinical dementia is a fairly broad-based decline of brain function, and most definitions center on the patient's intellectual decline and memory dysfunction. (medscape.com)

Stimulus intensity modifies saccadic reaction time and visual response latency in the superior colliculus. (ox.ac.uk)
When the beacon molecule - called nephronectin - is absent, a visual layer of the superior colliculus doesn't form properly, and the mice have trouble hunting prey. (medindia.net)
Remarkably, however, after only a few fixations we perceive a coherent, high-resolution scene despite the visual acuity of the eye quickly decreasing away from the center of gaze: This suggests an effective strategy for selecting saccade targets. (mpg.de)
Within the retina is the yellow area called macula, and in it is the fovea which is the center for the best visual acuity. (explorable.com)
The upper or superior to lobes are called the superior colliculi and they are responsible for the processing of visual information. (databasefootball.com)

A new study by Kyoto University researchers, appearing in the Journal of Neuroscience , shows that clusters in the superior colliculus dynamically change depending on whether a mouse is awake or anesthetized. (kyoto-u.ac.jp)
On March 31, 2014, the second phase of the John Edward Porter Neuroscience Research Center was dedicated. (nih.gov)
Ricardo Martínez Murillo, Ph.D., Director of the Instituto Cajal in Madrid, Spain, is pictured in front of NIH's recently dedicated neuroscience research center where the exhibition of Ramón y Cajal original drawings is located. (nih.gov)

The superior colliculi are larger than the inferior colliculi, though the inferior colliculi are more prominent. (wikipedia.org)

Several small, pitted lesions with dark rims were noted in the neuropil of the thalami, superior colliculi, and hippocampus. (cdc.gov)

Although the superior colliculus composes a relatively small portion of the brain's volume in mice, it's a processing powerhouse - in part, because it's formed by precise cellular layers that organize and refine signaling patterns. (medindia.net)

and (2) a superior part, subjacent to the superior colliculi which is traversed by the emerging bundles of the oculomotor nerve. (co.ma)

Ganglion cells have 2 basic types of receptive fields: on-center/off-surround and off-center/on-surround. (medscape.com)
Furthermore, we demonstrate that direct injection of a PRV gI-gE double null mutant into the superior colliculus resulted in robust infection followed by retrograde transport to the eye and replication in retinal ganglion neuron cell bodies. (princeton.edu)

We show that center-surround patterns emerge as the optimal solution to the problem of predicting saccade targets. (mpg.de)

The position of the center of these receptive fields. (absoluteastronomy.com)

The great majority of these fibres pass into the margin of the colliculus superior and form a layer-stratum opticum-underneath the stratum griseum, in which they ultimately terminate. (co.ma)

The superior colliculus presents a more complicated structure (Fig. 521). (co.ma)

Effects of light isoflurane anesthesia on organization of direction and orientation selectivity in the superficial layer of the mouse superior colliculus. (kyoto-u.ac.jp)
The mouse superior colliculus has been studied extensively for more than 60 years. (medindia.net)

Journal of the University of Rochester Medical Center. (rochester.edu)

We must associate, therefore, the inferior colliculus, and also the corpus geniculatum mediale, which likewise receives fibres from the lateral lemniscus, with the organ of hearing. (co.ma)

These are all common scenarios I hear every day at The Functional Neurology Center where we specialize in post-concussion rehab. (thebrainhealthmagazine.com)

Midbrain7

Tectum5

Nucleus12

Auditory5

Basal1

Neurons project2

Brachium3

Neural3

Retinal gangl4

Nuclei4

Saccades2

Pathway1

Monkeys2

Corpora quadrigemina2

Mammals3

Synaptic1

Posterior1

Cerebral1

Vertebrate2

Disease Control3

Medial1

Movements6

Nerves1

Brain9

Visual5

Neuroscience3

Prominent1

Thalami1

Brain's1

Oculomotor nerve1

Ganglion2

Emerge1

Receptive fields1

Stratum1

Structure1

Mouse2

Journal1

Receives1

Functional1