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  • 1
    Electronic Resource
    Electronic Resource
    Visual Signals in the Nucleus of the Optic Tract and Their Brain Stem Destinations (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 656 (1992), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1992.tb25214.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    THE ROLE OF THE CEREBELLUM IN VOLUNTARY EYE MOVEMENTS (2001)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Neuroscience 24 (2001), S. 981-1004 
    Details
    ISSN: 0147-006X
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology , Medicine
    Notes: Abstract In general the cerebellum is crucial for the control but not the initiation of movement. Voluntary eye movements are particularly useful for investigating the specific mechanisms underlying cerebellar control because they are precise and their brain-stem circuitry is already well understood. Here we describe single-unit and inactivation data showing that the posterior vermis and the caudal fastigial nucleus, to which it projects, provide a signal during horizontal saccades to make them fast, accurate, and consistent. The caudal fastigial nucleus also is necessary for the recovery of saccadic accuracy after actual or simulated neural or muscular damage causes horizontal saccades to be dysmetric. Saccade-related activity in the interpositus nucleus is related to vertical saccades. Both the caudal fastigial nucleus and the flocculus/paraflocculus are necessary for the normal smooth eye movements that pursue a small moving spot. By using eye movements, we have begun to uncover basic principles that give us insight into how the cerebellum may control movement in general.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.neuro.24.1.981
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Melanopsin-expressing ganglion cells in primate retina signal colour and irradiance and project to the LGN (2005)
    [s.l.] : Macmillian Magazines Ltd.
    Nature 433 (2005), S. 749-754 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Human vision starts with the activation of rod photoreceptors in dim light and short (S)-, medium (M)-, and long (L)- wavelength-sensitive cone photoreceptors in daylight. Recently a parallel, non-rod, non-cone photoreceptive pathway, arising from a population of retinal ganglion cells, was ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nature03387
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Distribution of vestibulospinal synaptic input to cat triceps surae motoneurons (1995)
    Springer
    Experimental brain research 107 (1995), S. 1-8 
    Details
    ISSN: 1432-1106
    Keywords: Deiters' nucleus ; Vestibulospinal system ; Motoneurons ; Synaptic input ; Synaptic currents ; Cat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We applied supramaximal, repetitive stimulation to the lateral vestibular nucleus (Deiters' nucleus, DN) at 200 Hz to evoke steady-state synaptic potentials in ipsilateral triceps surae motoneurons of the cat. The effective synaptic currents underlying these potentials were measured using a modified voltage-clamp technique. The steady-state effective synaptic currents evoked by activating DN were generally small and depolarizing (mean±SD 2.5±2.6 nA). DN stimulation generated hyperpolarizing synaptic currents in 2 of the 34 triceps motoneurons studied. The effective synaptic currents from DN tended to be larger in putative type F motoneurons than in putative type S cells (type F mean 3.0±3.1 nA; type S mean 1.8±1.0 nA). There was a statistically significant difference between the inputs to putative type FF and putative type S motoneurons (mean difference 2.8 nA, t=2.87, P〈0.01). The synaptic input from DN to medial gastrocnemius motoneurons had approximately the same mean amplitude as that from homonymous la afferent fibers. However, the distribution of DN input with respect to putative motor unit type was the opposite of that previously reported for Ia afferent input. Thus, the synaptic input from DN might act to compress the range of recruitment thresholds within the motoneuron pool and thereby increase the gain of its input-output function.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00228010
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    Paper (German National Licenses)
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