Superior Colliculi

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  Subject Areas on Research

  • A GABAergic nigrotectal pathway for coordination of drinking behavior. 
  • A circuit model for saccadic suppression in the superior colliculus. 
  • A pathway in primate brain for internal monitoring of movements. 
  • A projection from the parabigeminal nucleus to the pulvinar nucleus in Galago. 
  • A requirement for trypsin-sensitive cell-surface components for cell-cell interactions of embryonic neural retina cells. 
  • A screw microdrive for adjustable chronic unit recording in monkeys. 
  • An in vitro study of horizontal connections in the intermediate layer of the superior colliculus. 
  • Anterograde degeneration study of the cortical projections of the lateral geniculate and pulvinar nuclei in the tree shrew (Tupaia glis). 
  • Anterograde degeneration study of the superior colliculus in Tupaia glis: evidence for a subdivision between superficial and deep layers. 
  • Auditory pathways to the frontal cortex of the mustache bat, Pteronotus parnellii. 
  • Auditory saccades from different eye positions in the monkey: implications for coordinate transformations. 
  • Auditory signals evolve from hybrid- to eye-centered coordinates in the primate superior colliculus. 
  • Beyond the labeled line: variation in visual reference frames from intraparietal cortex to frontal eye fields and the superior colliculus 
  • Brain circuits for the internal monitoring of movements. 
  • Central acoustic tract in an echolocating bat: an extralemniscal auditory pathway to the thalamus. 
  • Cholinergic innervation of the superior colliculus in the cat. 
  • Cholinergic projections to the visual thalamus and superior colliculus. 
  • Collateral projections of predorsal bundle cells of the superior colliculus in the rat. 
  • Comparison of proteins transported in different tracts of the central nervous system. 
  • Compensating for a shifting world: evolving reference frames of visual and auditory signals across three multimodal brain areas. 
  • Composition and topographic organization of signals sent from the frontal eye field to the superior colliculus. 
  • Contribution of superficial layer neurons to premotor bursts in the superior colliculus. 
  • Control of excitatory CNS synaptogenesis by astrocyte-secreted proteins Hevin and SPARC. 
  • Corollary discharge for action and cognition 
  • Course and laminar origin of the tectoparabigeminal pathway. 
  • Developmental exposure to valproate and ethanol alters locomotor activity and retino-tectal projection area in zebrafish embryos. 
  • Different Stimuli, Different Spatial Codes: A Visual Map and an Auditory Rate Code for Oculomotor Space in the Primate Superior Colliculus 
  • Disinhibition in rat superior colliculus mediated by GABAc receptors. 
  • Drivers from the deep: the contribution of collicular input to thalamocortical processing. 
  • Evidence for separate pathways within the tecto-geniculate projection in the tree shrew. 
  • Evolution of the primate visual system: anterograde degeneration studies of the tecto-pulvinar system. 
  • Evolution of the pulvinar. 
  • Excitatory and inhibitory circuitry in the superficial gray layer of the superior colliculus. 
  • Exploring the superior colliculus in vitro. 
  • Frontal eye field neurons orthodromically activated from the superior colliculus. 
  • Frontal eye field neurons with spatial representations predicted by their subcortical input. 
  • Frontal eye field sends delay activity related to movement, memory, and vision to the superior colliculus. 
  • Glutamate decarboxylase immunoreactivity in the intermediate grey layer of the superior colliculus in the cat. 
  • High-field FMRI reveals brain activation patterns underlying saccade execution in the human superior colliculus. 
  • Identity of a pathway for saccadic suppression. 
  • Imaging synaptic inhibition throughout the brain via genetically targeted Clomeleon. 
  • Increased spontaneous unit activity and appearance of spontaneous negative potentials in the goldfish tectum during refinement of the optic projection. 
  • Interlaminar connections of the superior colliculus in the tree shrew. I. The superficial gray layer. 
  • Interlaminar connections of the superior colliculus in the tree shrew. II: Projections from the superficial gray to the optic layer. 
  • Interlaminar connections of the superior colliculus in the tree shrew. III: The optic layer. 
  • Laminar origin of ipsilateral tectopontine pathways. 
  • Laminar origin of projections from the superficial layers of the superior colliculus in the tree shrew, Tupaia glis. 
  • Local excitatory circuits in the intermediate gray layer of the superior colliculus. 
  • Magnitude, time course, and specificity of rapid adaptation across mouse visual areas. 
  • Multielectrode evidence for spreading activity across the superior colliculus movement map. 
  • Neural Circuits Underlying Visually Evoked Escapes in Larval Zebrafish. 
  • Organization of the intermediate gray layer of the superior colliculus. I. Intrinsic vertical connections. 
  • Parallels in the visual afferent projections of the thalamus in the hedgehog (Paraechinus hypomelas) and the turtle (Pseudemys scripta). 
  • Pathway from the zona incerta to the superior colliculus in the rat. 
  • Projections from the superior colliculus to the dorsal lateral geniculate nucleus of the grey squirrel (Sciurus carolinensis). 
  • Quantitative autoradiography of nicotinic [3H]acetylcholine binding sites in rat brain. 
  • Reading neural representations. 
  • Reciprocal connections between the zona incerta and the pretectum and superior colliculus of the cat. 
  • Relationships between the nigrotectal pathway and the cells of origin of the predorsal bundle. 
  • Retrograde axonal transport of BDNF in retinal ganglion cells is blocked by acute IOP elevation in rats. 
  • Saccades to somatosensory targets. II. motor convergence in primate superior colliculus. 
  • Saccades to somatosensory targets. III. eye-position-dependent somatosensory activity in primate superior colliculus. 
  • Serial linkage of target selection for orienting and tracking eye movements. 
  • Signal transformations from cerebral cortex to superior colliculus for the generation of saccades. 
  • Somatotopic maps within the zona incerta relay parallel GABAergic somatosensory pathways to the neocortex, superior colliculus, and brainstem. 
  • Specific connections between nerve cells. 
  • Spontaneous retinal activity is tonic and does not drive tectal activity during activity-dependent refinement in regeneration. 
  • Stimulus encoding within the barn owl optic tectum using gamma oscillations vs. spike rate: a modeling approach. 
  • Subcortical connections of the superior colliculus in the mustache bat, Pteronotus parnellii. 
  • Subdivisions of the medial geniculate body in the tree shrew (Tupaia glis). 
  • Superior colliculus of the tree shrew: a structural and functional subdivision into superficial and deep layers. 
  • The cerebellotectal pathway in the grey squirrel. 
  • The connections and laminar organization ofthe optic tectum in a reptile (lguana iguana). 
  • The laminar origin and distribution of the crossed tectoreticular pathways. 
  • The nigral projection to predorsal bundle cells in the superior colliculus of the rat. 
  • The nigrotectal projection in the cat: an electron microscope autoradiographic study. 
  • The normal organization of the lateral posterior nucleus in the golden hamster and its reorganization after neonatal superior colliculus lesions. 
  • The normal organization of the lateral posterior nucleus of the golden hamster. 
  • The organization of afferents to the lateral posterior nucleus in the golden hamster after different combinations of neonatal lesions. 
  • The organization of the lateral posterior nucleus in neonatal golden hamsters. 
  • The organization of the lateral posterior nucleus of the golden hamster after neonatal superior colliculus lesions. 
  • The organization of the pulvinar in the grey squirrel (Sciurus carolinensis). I. Cytoarchitecture and connections. 
  • The projection of the superior colliculus upon the lateral geniculate body in Tupaia glis and Galago senegalensis. 
  • The pulvinar nucleus of Galago senegalensis. 
  • The sources of the nigrotectal pathway. 
  • The transneuronal transport of horseradish peroxidase in the visual system of the frog, Rana pipiens. 
  • Trans-Seq maps a selective mammalian retinotectal synapse instructed by Nephronectin. 
  • Two models for transforming auditory signals from head-centered to eye-centered coordinates. 
  • Visual cortex in a reptile, the turtle (Pseudemys scripta and Chrysemys picta). 
  • Visual pathways to the telencephalon in reptiles and mammals. 
  • What the brain stem tells the frontal cortex. I. Oculomotor signals sent from superior colliculus to frontal eye field via mediodorsal thalamus. 
  • What the brain stem tells the frontal cortex. II. Role of the SC-MD-FEF pathway in corollary discharge. 
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  Keywords of People

  • Groh, Jennifer M., Professor of Psychology and Neuroscience, Center for Cognitive Neuroscience
  • Schmehl, Meredith, Student, Neurobiology