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The organisation of the efferent projections of the zona incerta.
Romanowski CA, Mitchell IJ, Crossman AR. Romanowski CA, et al. J Anat. 1985 Dec;143:75-95. J Anat. 1985. PMID: 3870735 Free PMC article.
The hypothesis that the six cytoarchitectonically distinct subdivisions of the zona incerta send efferent projections to different parts of the brain was tested using retrograde fluorescent tracing techniques. Injections of tracer in the superior colliculus, pontomesenceph …
The hypothesis that the six cytoarchitectonically distinct subdivisions of the zona incerta send efferent projections to different parts of …
Orienting toward threat: Contributions of a subcortical pathway transmitting retinal afferents to the amygdala via the superior colliculus and pulvinar.
Koller K, Rafal RD, Platt A, Mitchell ND. Koller K, et al. Neuropsychologia. 2019 May;128:78-86. doi: 10.1016/j.neuropsychologia.2018.01.027. Epub 2018 Feb 3. Neuropsychologia. 2019. PMID: 29410291
Probabilistic diffusion tractography was used to provide the first direct evidence for a subcortical pathway from the retina to the amygdala, via the superior colliculus and pulvinar, that transmits visual stimuli signaling threat. ...Probabalistic tractography was used to …
Probabilistic diffusion tractography was used to provide the first direct evidence for a subcortical pathway from the retina to the amygdala …
Responses resembling defensive behaviour produced by microinjection of glutamate into superior colliculus of rats.
Dean P, Mitchell IJ, Redgrave P. Dean P, et al. Neuroscience. 1988 Feb;24(2):501-10. doi: 10.1016/0306-4522(88)90345-4. Neuroscience. 1988. PMID: 2896313
Electrical stimulation of the superior colliculus in rats elicits not only orienting movements, as it does in other mammals, but also behaviours resembling such natural defensive responses as prolonged freezing, cringing, shying, and fast running and jumping. ...The main r …
Electrical stimulation of the superior colliculus in rats elicits not only orienting movements, as it does in other mammals, but also …
Connectivity between the superior colliculus and the amygdala in humans and macaque monkeys: virtual dissection with probabilistic DTI tractography.
Rafal RD, Koller K, Bultitude JH, Mullins P, Ward R, Mitchell AS, Bell AH. Rafal RD, et al. J Neurophysiol. 2015 Sep;114(3):1947-62. doi: 10.1152/jn.01016.2014. Epub 2015 Jul 29. J Neurophysiol. 2015. PMID: 26224780 Free PMC article.
It has been suggested that some cortically blind patients can process the emotional valence of visual stimuli via a fast, subcortical pathway from the superior colliculus (SC) that reaches the amygdala via the pulvinar. ...
It has been suggested that some cortically blind patients can process the emotional valence of visual stimuli via a fast, subcortical pathwa …
Retrograde axonal transport of BDNF in retinal ganglion cells is blocked by acute IOP elevation in rats.
Quigley HA, McKinnon SJ, Zack DJ, Pease ME, Kerrigan-Baumrind LA, Kerrigan DF, Mitchell RS. Quigley HA, et al. Invest Ophthalmol Vis Sci. 2000 Oct;41(11):3460-6. Invest Ophthalmol Vis Sci. 2000. PMID: 11006239
Considering only the radioactivity representing specific retrograde transport of BDNF, IOP elevation to PP25 reduced transport by 74%, whereas elevation to PP0 (equaling systolic blood pressure) reduced specific transport by 83%. CONCLUSIONS: BDNF is transported retrogradely from …
Considering only the radioactivity representing specific retrograde transport of BDNF, IOP elevation to PP25 reduced transport by 74%, where …
The projection from superior colliculus to cuneiform area in the rat. II. Defence-like responses to stimulation with glutamate in cuneiform nucleus and surrounding structures.
Mitchell IJ, Dean P, Redgrave P. Mitchell IJ, et al. Exp Brain Res. 1988;72(3):626-39. doi: 10.1007/BF00250607. Exp Brain Res. 1988. PMID: 3234506
It therefore appears that the tectocuneiform projection is likely to be involved only in some of the behaviours appropriate to unexpected stimuli that are mediated by the superior colliculus, namely undirected defensive responses elicited normally by certain kinds of threa …
It therefore appears that the tectocuneiform projection is likely to be involved only in some of the behaviours appropriate to unexpected st …
Contralateral head movements produced by microinjection of glutamate into superior colliculus of rats: evidence for mediation by multiple output pathways.
Dean P, Mitchell IJ, Redgrave P. Dean P, et al. Neuroscience. 1988 Feb;24(2):491-500. doi: 10.1016/0306-4522(88)90344-2. Neuroscience. 1988. PMID: 2896312
One of the major efferent pathways of the superior colliculus crosses midline to run caudally in the contralateral predorsal bundle, innervating targets in the brain stem and eventually reaching the cervical spinal cord. ...Hooded rats in an open field were filmed during m …
One of the major efferent pathways of the superior colliculus crosses midline to run caudally in the contralateral predorsal bundle, …
The projection from superior colliculus to cuneiform area in the rat. I. Anatomical studies.
Redgrave P, Dean P, Mitchell IJ, Odekunle A, Clark A. Redgrave P, et al. Exp Brain Res. 1988;72(3):611-25. doi: 10.1007/BF00250606. Exp Brain Res. 1988. PMID: 2466683
Although the ipsilateral descending pathway is a major output projection of the superior colliculus, little is known of its functions. We therefore carried out two studies to investigate in rats the part of the ipsilateral projection that terminates in an area ventral to t …
Although the ipsilateral descending pathway is a major output projection of the superior colliculus, little is known of its functions …
17 results