Search results for "Vestibule"

showing 5 items of 35 documents

Effects of rectilinear acceleration and optokinetic and caloric stimulations in space.

1984

During the flight of Spacelab 1 the crew performed a number of experiments to explore changes in vestibular function and visual-vestibular interactions on exposure to microgravity. Measurements were made on the threshold for detection of linear oscillation, vestibulo-ocular reflexes elicited by angular and linear movements, oculomotor and posture responses to optokinetic stimulations, and responses to caloric stimulation. Tests were also conducted on the ground, during the 4 months before and on days 1 to 6 after flight. The most significant result was that caloric mystagmus of the same direction as on the earth could also be evoked in the weightless environment.

medicine.medical_specialtygenetic structuresEye MovementsMovementAccelerationCrewMotion PerceptionNystagmusAudiologyOpticsNystagmus PhysiologicWeightlessmedicineCaloric TestsHumansVestibular systemPhysicsMultidisciplinarymedicine.diagnostic_testbusiness.industryWeightlessnessWeightlessnessCaloric theoryOptokinetic reflexElectrooculographySpace FlightVestibular Function TestsElectrooculographyVisual Perceptionsense organsVestibule Labyrinthmedicine.symptombusinessHeadScience (New York, N.Y.)
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European vestibular experiments on the Spacelab-1 mission: 1. Overview.

1986

During the flight of Spacelab-1 a series of vestibular experiments was performed on the crew by a group of European investigators. Control experiments were carried out on the same subjects pre- and postflight. The tests included caloric stimulation of the ears, threshold measurements of response to linear acceleration, motion sickness provocative stimuli, vestibulo-ocular reflexes during linear and angular stimulation, estimation of the subjective vertical (luminous line measurements) and static ocular counterrotation at various tilt angles. The caloric experiment proved the existence of a nonthermoconvective mechanism of caloric nystagmus in space. Most of the other test results point to a…

medicine.medical_specialtygenetic structuresMotion SicknessAccelerationCrewAudiologyAccelerationMotionOpticsmedicineCaloric TestsHumansOtolithPhysicsVestibular systemWeightlessnessbusiness.industryWeightlessnessGeneral NeuroscienceCaloric theoryReflex Vestibulo-OcularSpace Flightmedicine.diseaseAdaptation PhysiologicalSemicircular Canalsmedicine.anatomical_structureMotion sicknessVestibulesense organsVestibule LabyrinthbusinessExperimental brain research
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Iliosacral Screw Osteosynthesis

2017

Fragility fractures of the anterior pelvic ring are very often combined with fractures of the posterior pelvic ring. The large majority of the posterior fractures is situated in the sacral ala. Non-operative therapy may be cumbersome in patients with a combination of an anterior with a posterior pelvic ring fracture. Any surgical therapy should be as less invasive as possible. Iliosacral screw fixation is a minimal invasive technique. Variations of the upper sacral anatomy make optimal iliosacral screw placement challenging. The vestibule or isthmus is the narrowest part of the bony corridor from the lateral ilium to the S1 sacral body. It always points towards anterior and superior. The wh…

musculoskeletal diseasesOrthodonticsSacroiliac jointOsteosynthesisSupine positionbusiness.industrymusculoskeletal systembody regionsFixation (surgical)Prone positionmedicine.anatomical_structureAla of sacrumVestibulemedicinebusinessIntraoperative imaging
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Early stage nasal vestibule tumors: safety and efficacy of HDR brachyterapy in elderly patients

2009

nasal vestibule tumorbrachyterapy
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Il primo concorso per il Palazzo di Giustizia a Roma del 1884. Ricostruzione critica del progetto di Ernesto Basile

2019

1. Breve descrizione dell’oggetto di studio Il concorso del Palazzo di Giustizia di Roma si svolge in quattro fasi svolte tra il 1884 e il 1887. Il progetto per il primo concorso, del 1884, redatto dall’allora giovanissimo Ernesto Basile (Palermo 1857-1932), rivela una grande perizia progettuale che trasforma il complesso programma funzionale in un austero edificio in stile neofiorentino. I disegni originari dell’opera, non realizzata, conservati presso la Dotazione Basile del Dipartimento di Architettura dell’Università di Palermo, sono stati oggetto di studio propedeutico alle fasi di analisi, interpretazione e ricostruzione congetturale del modello digitale. 2. Stato dell’arte e riferime…

the spatiality of the great vestibule• elaboration of axonometric and perspective view• choice of interpretation criteria in case of project incongruitiethe vaulted arcades.the space of the main courtyard which Basile outlines in a sketch• elaboration of analytical drawings (modular functional compositional volumetric schemes)• modular study and flat vectorization• application of rendering techniques consistent with the available information. 4. Objectives pursued and achieved Conjectural reconstruction achieved the following results: • formulation of analytical documents which show how the planimetric and altimetric articulation are perfectly consistent with the functional program• definition of the level of uncertainty1. Brief description of the object of study The competition of the Palace of Justice in Rome takes place in four phases between 1884 and 1887. The project for the first competition in 1884 drawn up by the then very young Ernesto Basile (Palermo 1857-1932) reveals a great deal of design expertise that transforms the complex functional program into an austere building in neo-florentine style. The original drawings of the building not realized kept in the Basile Endowment of the Department of Architecture of the University of Palermo have been the subject of preliminary study to the phases of analysis interpretation and conceptual reconstruction of the digital model. 2. State of the art and main bibliographical references The conjectural reconstruction on the basis of drawings and archival documents is a well-established and codified practice thanks to various disciplinary contributions at national and international level. See: F. I. Apollonio Classification Schemes for Visualization of Uncertainty in Digital Hypothetical Reconstruction in M. Sander P. Mieke P. Kuroczyński M. Ioannides 3D Research Challenges in Cultural Heritage II Cham (CH) 2016. G. Antista M. Cannella Ricostruire. Architettura - Storia – Rappresentazione Palermo 2015. For studies related to the examinated project see: E. Mauro E. Sessa I disegni della Collezione Basile Roma 2015. E. Sessa Ernesto Basile. Dall'eclettismo Classicista al Modernismo Palermo 2002. 3. Definition of the methodologies adopted in the research Methodological phases: • historical analysi• survey of the original drawings and dimensional verification of the flat scanSettore ICAR/17 - Disegno• construction of perspective views deduced from the original drawings that highlight: the volumetric hierarchy and the function of the bugnate in the scanning of the masonry ma• three-dimensional modeling
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