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  • 1
    Electronic Resource
    Electronic Resource
    Responsiveness of cells in the cat's superior colliculus to textured visual stimuli (1979)
    Springer
    Experimental brain research 37 (1979), S. 231-240 
    Details
    ISSN: 1432-1106
    Keywords: Cat superior colliculus ; Visual texture
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Responses to texture motion (visual noise) were investigated in the superior colliculus of paralysed cats, lightly anaesthetized with N2O/O2 supplemented with pentobarbitone or Althesin. Within the superficial layers two classes of texture-sensitive neurones were found: Type I units with weak responses to noise, often related to specific elements in the texture and Type II units which were driven independently of the texture structure, and tended to be recorded deep to the Type I units. Type III units recorded from the deep collicular layers were insensitive to texture. Anatomical bases for this differential sensitivity and the notion of two collicular subsystems are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00237710
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Endoskopische intraluminale Valvuloplastik – Eine Therapie der Zukunft für die gastrooesophageale Refluxkrankheit (1998)
    Springer
    Der Chirurg 69 (1998), S. 158-162 
    Details
    ISSN: 1433-0385
    Keywords: Key words: Gastroesophageal reflux disease ; Antireflux surgery ; Minimally invasive surgery ; Endoscopic intervention. ; Schlüsselwörter: Gastrooesophageale Refluxkrankheit ; Antirefluxchirurgie ; minimal-invasive Chirurgie ; endoskopische Intervention.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung. Eine neue endoskopische, intraluminale Valvuloplastik wird beschrieben. Es handelt sich hierbei um einen einfachen, ambulant durchführbaren Antirefluxeingriff, der bei Patienten mit frühen Stadien der gastrooesophagealen Refluxkrankheit eine Alternative zur lebenslangen medikamentösen Dauertherapie bieten könnte. Die Technik des Eingriffs, die Effektivität und erste Langzeitergebnisse im Tierversuch an Pavianen werden dargestellt.
    Notes: Summary. A new endoscopic intraluminal valvuloplasty is described. The procedure provides a simple, easy outpatient approach for antireflux surgery and is applicable to patients with early gastroesophageal reflux disease as an alternative to chronic life-long medical therapy. The feasibility, durability and efficacy of the procedure in baboons are reported.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001040050390
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Differential responsiveness of cells in the visual zones of the cat's LP-pulvinar complex to visual stimuli (1981)
    Springer
    Experimental brain research 43 (1981), S. 25-33 
    Details
    ISSN: 1432-1106
    Keywords: Cat ; LP-pulvinar complex ; MIN ; Visual texture ; Receptive field properties
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Multiple visual field representations are contained within the feline LP-pulvinar complex; regions differentiated by their afferent and efferent connectivity patterns as the striate-, tecto- and retino-recipient zones. Cell responses from these visuotopic zones were investigated in immobilized cats under N2O/O2 supplemented with pentobarbitone or Althesin, using spot, bar and textured stimuli. Response fields recorded within the LP-pulvinar complex were classified as diffuse, concentric, movement-, direction- or orientation-sensitive. Concentric receptive fields were further classified as sustained (X), transient (Y) or tonic/phasic W-cells. Direction-and movement-sensitive cells predominated in the striate- and tecto-recipient zones, respectively. Motion of noise fields, or noise bars against an identical stationary noise background elicited vigorous responses from cells in the striate zone, many showing a preference for noise stimuli. In contrast, cells from the tectal zone and other divisions of the LP-pulvinar complex were insensitive to noise. The retino-recipient zone at the lateral margin of the pulvinar nucleus was characterized by cells with concentric receptive fields, the majority exhibiting properties similar to W-cells in the LGNd. The evidence supports the notion of functional subdivision within the LP-pulvinar complex corresponding to the visuotopically organized regions defined by their connectivity patterns. Consideration of the retino-recipient zone as an extension of the LGNd-MIN complex is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00238806
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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