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"Hofmann, Gert"
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Presence of the Body
Presence of the Body provides an interdisciplinary forum (including literary, performative, philosophical and anthropological approaches) for the dialogue between theory and practice about the impact of the body on human awareness in the fields of art, writing, meditative practice, and performance.
eBook
Contribution of Paranasal Sinuses to the Acoustic Properties of the Nasal Tract
Background: The contribution of the nasal and paranasal cavities to the vocal tract resonator properties is unclear. Here we investigate these resonance phenomena of the sinonasal tract in isolation in a cadaver and compare the results with those gained in a simplified brass tube model. Methods: The resonance characteristics were measured as the response to sine sweep excitation from an earphone. In the brass model the earphone was placed at the closed end and in the cadaver in the epipharynx. The response was picked up by a microphone placed at the open end of the model and at the nostrils, respectively. A shunting cavity with varied volumes was connected to the model and the effects on the response curve were determined. In the cadaver, different conditions with blocked and unblocked middle meatus and sphenoidal ostium were tested. Additionally, infundibulotomy was performed allowing direct access to and selective occlusion of the maxillary ostium. Results: In both the brass model and the cadaver, a baseline condition with no cavities included produced response curves with clear resonance peaks separated by valleys. Marked dips occurred when shunting cavities were attached to the model. The frequencies of these dips decreased with increasing shunting volume. In the cadaver, a marked dip was observed after removing the unilateral occlusion of the middle meatus and the sphenoidal ostium. Another marked dip was detected at low frequency after removal of the occlusion of the maxillary ostium following infundibulotomy. Conclusion: Combining measurements on a simplified nasal model with measurements in a cadaveric sinonasal tract seems a promising method for shedding light on the acoustic properties of the nasal resonator. © 2014 S. Karger AG, Basel
Journal Article
6. Colonus Heterotopos. Theatre as Tragic Inversion of Ritual Order
Being dead but still on the side of the living means being immortal; staying alive on the side of death, being conscious in death, however, equals the joy of \"not being immortal\" motivating a potentially infinite compassion with human suffering, and marking death as the confirmed condition of ultimate relief. Since the two sides of this threshold are not complementary, but incompatible, the place, the topos of the threshold of death in human life remains a non-topos in time and space; \"dying\", so Blanchot in L 'Ecriture du désastre, is not only inconceivable, \"because it doesn't have a presence, but because it doesn't have a place, and be it in time, in the temporality of time\". According to Agamben the \"bare life\" of the homo sacer is ever to be killed, but never to be sacrificed; he can be killed, because he is already essentially dead, and he cannot be sacrificed, because he has already acquired, and be it in an inverted and subversive capacity, sacred status.
Journal Article
Modelling of Components of the Human Middle Ear and Simulation of Their Dynamic Behaviour
In order to get a better insight into the function of the human middle ear it is necessary to simulate its dynamic behaviour by means of the finite-element method. Three-dimensional measurements of the surfaces of the tympanic membrane and of the auditory ossicles malleus, incus and stapes are carried out and geometrical models are created. On the basis of these data, finite-element models are constructed and the dynamic behaviour of the combinations tympanic membrane with malleus in its elastic suspensions and stapes with annular ligament is simulated. Natural frequencies and mode shapes are computed by modal analysis. These investigations showed that the ossicles can be treated as rigid bodies only in a restricted frequency range from 0 to 3.5 kHz.
Journal Article
Introduction: Topo-dynamic of Place and Body
[...]their topographies seem to be absolutely essential, and the conscious and conscientious traveler is required to merge his immediate perceptions of the place with his abilities to imagine and conceptualize. The topical locale becomes real; the place of place is encountered in particular moments of the cultural, social and individual life -world on the threshold between embodied spaces of imaginative selfscapes, inscribed spaces of discursive mindscapes and landscapes and ethnoscapes related to them.10 The \"topo-dynamics\" of arrival marks a zone of concurring discourses on self and other, pilgrimage and their representation in literature and anthropology, which provides an infinite space for differing and deferring motions of exploration and understanding, facing endless re -constructions and re-creations of the place of arrival and its meaning . . . borobudur ist der endlose satz ... borobudur ist das ende vom anfang borobudur ist der anfang vom ende ... borobudur ist nein borobudur ist ja ... borobudur ist tod borobudur ist leben ... borobudur ist innen borobudur ist aussen borobudur ist der endlose satz ... (from a poem by Eugen Gomringer) Cork, Zagreb and Thera in summer 2011
Journal Article
Ruptures and Displacements
We have no standard anymore for anything, ever since human life is no longer the standard.
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Book Chapter