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1P. Y. Collins ; V. Patel ; S. S. Joestl ; D. March ; T. R. Insel ; A. S. Daar ; W. Anderson ; M. A. Dhansay ; A. Phillips ; S. Shurin ; M. Walport ; W. Ewart ; S. J. Savill ; I. A. Bordin ; E. J. Costello ; M. Durkin ; C. Fairburn ; R. I. Glass ; W. Hall ; Y. Huang ; S. E. Hyman ; K. Jamison ; S. Kaaya ; S. Kapur ; A. Kleinman ; A. Ogunniyi ; A. Otero-Ojeda ; M. M. Poo ; V. Ravindranath ; B. J. Sahakian ; S. Saxena ; P. A. Singer ; D. J. Stein
Nature Publishing Group (NPG)
Published 2011Staff ViewPublication Date: 2011-07-08Publisher: Nature Publishing Group (NPG)Print ISSN: 0028-0836Electronic ISSN: 1476-4687Topics: BiologyChemistry and PharmacologyMedicineNatural Sciences in GeneralPhysicsKeywords: *Global Health ; Humans ; Mental Disorders/economics/epidemiology/prevention & control ; Mental Health/*statistics & numerical data ; Substance-Related Disorders/economics/epidemiology ; World Health OrganizationPublished by: -
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ISSN: 1471-4159Source: Blackwell Publishing Journal Backfiles 1879-2005Topics: MedicineNotes: Abstract— The ACh content of the cat cochlear nucleus was determined following intraventricular injection of hemicholinium. The data presented shows that the level of ACh can be greatly reduced by stimulation of a centrifugal pathway arising from the ipsilateral superior olive. Additional data is provided by a single neurone study which shows that this stimulation also blocks the normal physiological effects of the pathway. This evidence supports the hypothesis that ACh is a transmitter in a centrifugal pathway within the cat auditory system.Type of Medium: Electronic ResourceURL: -
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ISSN: 1476-4687Source: Nature Archives 1869 - 2009Topics: BiologyChemistry and PharmacologyMedicineNatural Sciences in GeneralPhysicsNotes: [Auszug] ACCURATE intercomparisons of wave-lengths in terms of the red cadmium primary standard have hitherto been made mainly by means of the Fabry Perot interferometer. As no metal or alloy having a high reflection coefficient in the violet and ultra-violet has been discovered, its application in this ...Type of Medium: Electronic ResourceURL: -
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ISSN: 1476-4687Source: Nature Archives 1869 - 2009Topics: BiologyChemistry and PharmacologyMedicineNatural Sciences in GeneralPhysicsNotes: [Auszug] IF a pair of optically flat plates, making a wedge angle of a few seconds, be placed in the beam from a collimator with a cross slit (to obtain effectively a point source) and the eye be placed at the focal plane of the telescope objective (without eyepiece), straight fringes are seen which are ...Type of Medium: Electronic ResourceURL: -
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ISSN: 1476-4687Source: Nature Archives 1869 - 2009Topics: BiologyChemistry and PharmacologyMedicineNatural Sciences in GeneralPhysicsNotes: [Auszug] M. PÉRARD'S justification of the metrologist's claim of being able to compare two line standards with an error not exceeding ± 0.2μ is based entirely on the degree of concordance observed in practice when large numbers of readings are taken in all possible positions. Equally so, we find when we ...Type of Medium: Electronic ResourceURL: -
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ISSN: 1476-4687Source: Nature Archives 1869 - 2009Topics: BiologyChemistry and PharmacologyMedicineNatural Sciences in GeneralPhysicsNotes: [Auszug] I WISH to correct an error that occurs in my article on this subject in NATURE of March 30 (p. 496). The mean value of the wave-length of red cadmium in normal air from this table should be 6438.4691 × 10−10 metres, and not 6438.4687 × 10−10 metres, which is the ...Type of Medium: Electronic ResourceURL: -
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ISSN: 1434-601XSource: Springer Online Journal Archives 1860-2000Topics: PhysicsType of Medium: Electronic ResourceURL: -
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ISSN: 1476-4687Source: Nature Archives 1869 - 2009Topics: BiologyChemistry and PharmacologyMedicineNatural Sciences in GeneralPhysicsNotes: [Auszug] AT the suggestion of Prof. Richardson, we have for some time been engaged in an investigation of the connection between X-ray absorption coefficients and critical frequencies. In this work we have met with considerable experimental difficulties, which so far have not been completely overcome. ...Type of Medium: Electronic ResourceURL: -
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ISSN: 1476-4687Source: Nature Archives 1869 - 2009Topics: BiologyChemistry and PharmacologyMedicineNatural Sciences in GeneralPhysicsNotes: [Auszug] COMPARISON OF THE RESULTS WITH the exception of Sears and Barrell, none of the investigators seems to have realised the full implication of the fact that, while the yard or metre are purely distances, the paths observed by means of all forms of interferometers are 'optical paths', or the product ...Type of Medium: Electronic ResourceURL: -
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ISSN: 1476-4687Source: Nature Archives 1869 - 2009Topics: BiologyChemistry and PharmacologyMedicineNatural Sciences in GeneralPhysicsNotes: [Auszug] THE standard of length measurement in any age gives us a fairly true picture of the general requirements of the time. King David of Scotland (c. A.D. 1150) ordained that the Scotch inch should be the mean measure of the thumbs of three men, "an merkle man, an man of measurable stature and an lyttel ...Type of Medium: Electronic ResourceURL: -
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ISSN: 0958-0433Topics: Art HistoryURL: -
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ISSN: 1432-1106Keywords: Slow waves ; Unitary activity ; Cuneate nucleusSource: Springer Online Journal Archives 1860-2000Topics: MedicineNotes: Summary Depth profiles of averaged evoked potentials (AEPs) and simultaneously generated unitary activity have been recorded from the cuneate nucleus of the rat in response to controlled tactile stimulation of the ipsilateral forepaw. Four separate components of the AEPs were isolated, N1, N2, P, and N3. N1corresponds to the classical N wave previously described by other workers; four fractions of N1 are described. The classical P wave which follows N1 reverses at 150–350 μm depth to become a negative wave of identical time course, the N2 wave, at deeper locations. N2 peaks deeper than N1 within the non-relay portion of the cuneate nucleus, or below in the subnuclear reticular førmation where it is the only significant evoked component. Its strong susceptibility to high Mg++ C.S.F. superperfusion suggests a polysynaptic origin. It is argued that the depth distribution and time course of N2 does not support its function relating to depolarisation of primary afferents (PAD) in the vicinity of synaptically driven cuneate cells. Alternative possibilities for its origin are discussed. An additional sustained component of the AEP, the N3 component, is described and evaluated. N3 is co-extensive with N1, has a long time course and simple exponential decay, and is the component most resistant to high Mg++ C.S.F. superperfusion. A similar component to N3 has been described by previous workers in the spinal cord, where it has been shown to arise from glia depolarised by K+ effluxing from discharging afferents and cells. A similar origin for N3 is suggested, and its possible involvement with PAD discussed.Type of Medium: Electronic ResourceURL: