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Povzetek: The usual interpretations of gestuality presuppose that a gesture accompanies the expressive action, whereby it itself almost disappears, in order to make way for what the person gesturing wants to show as appertaining to his or her interiority. The intention of the present paper is to demonstrate how a gesture cannot be considered as something extraneous to thought, but belongs to the human posture in its being-in-the-world, and thus seamlessly gives rise to the manifestation of the self in the symbolic framework of reference to a common meaningful horizon. The gestuality of liturgy serves as a particularly noteworthy example of such a phenomenological-hermeneutic interpretation of gesture.
Ključne besede: gesture, liturgy, Romano Guardini, play, symbolic field
Objavljeno v DiRROS: 23.10.2024; Ogledov: 124; Prenosov: 38
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Povzetek: On Non-Saying Silence. A Phenomenological Attempt at an Approach Towards the Questionable in Martin Heidegger’s Sigetics Although silence can be understood from its non-saying, the “non-” of this nonsaying cannot simply be determined from the negation of saying, but is carried by a certain multiplicity. In a demarcation from, for example, mere silencing, the contribution pursues Heidegger’s question to what extent silence in its non-saying is saying in the sense of showing, insofar as it points to an original dimension of the letting-spring of a source, of which the early Heidegger already speaks in Being and Time, when at one point he seeks to understand the self of selfhood as silence. At the same time, perhaps here an access to the later Heidegger’s concept of serenity can be opened up.
Ključne besede: silence, stillness, listening, self, letting-be
Objavljeno v DiRROS: 23.10.2024; Ogledov: 108; Prenosov: 30
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Povzetek: Nihilism as an Operative Concept At the famous colloquium in Royaumont 1957, which was dedicated to Husserl’s phenomenology, Eugen Fink spoke about the difference between the thematic and the operative concepts. In contrast with the great philosophical themes, the operative concepts represent the source, from which they emerge. Operative concepts are a kind of thought shadows, the invisible that does not appear within the thematization. The contribution seeks to establish the concept of nihilism as an operative concept of modernity. At the same time, it emphasizes Fink’s idea of ontology as an attempt, not at accepting the idea of nothing, but at its expulsion from the field of philosophical sight. Therefore, nihilism can be considered, on the one hand, as a contemporary phenomenon, but also, on the other hand, as timeless, since ontology itself seems to be, from its beginning onwards, a form of nihilism.
Ključne besede: Eugen Fink, phenomenology, nihilism, modernity, ontology
Objavljeno v DiRROS: 23.10.2024; Ogledov: 163; Prenosov: 41
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Povzetek: In the inland waters of the Balkans, many brown trout populations have been severely depleted. Therefore, identifying potential threats to their continued survival and ranking populations based on their biological and evolutionary importance enables setting conservation priorities. To assess the sustainability of the brown trout populations in the territory of Serbia (central Balkans), a modification of the ESHIPPO model was performed. The main modification involves incorporating the investigated populations’ genetic structure into the model. Therefore, the new ESHIPPOsalmo model includes an analysis of biological parameters and the impact of multiple factors, including habitat alterations, invasive species, pollution, human population growth, and over-exploitation. In order to investigate individual levels of influence of the model’s analyzed parameters, a combination of supervised and unsupervised machine learning methods was used. The structure of the model is based on general and easily measurable indicators, which enables its application in any salmonid river in the world. By evaluating the parameters of the ESHIPPOsalmo model, we were able to establish that, of the analyzed populations from 46 localities, 37% have a moderate level of sustainability, 43% low, and 20% critically low.
Ključne besede: brown trout, conservation, genetic structure, habitat alterations, invasive species, sustainability
Objavljeno v DiRROS: 23.10.2024; Ogledov: 203; Prenosov: 459
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Povzetek: Brain–computer interfaces (BCIs) are promising tools for motor neurorehabilitation. Achieving a balance between classification accuracy and system responsiveness is crucial for real-time applications. This study aimed to assess how the duration of time windows affects performance, specifically classification accuracy and the false positive rate, to optimize the temporal parameters of MI-BCI systems. We investigated the impact of time window duration on classification accuracy and false positive rate, employing Linear Discriminant Analysis (LDA), Multilayer Perceptron (MLP), and Support Vector Machine (SVM) on data acquired from six post-stroke patients and on the external BCI IVa dataset. EEG signals were recorded and processed using the Common Spatial Patterns (CSP) algorithm for feature extraction. Our results indicate that longer time windows generally enhance classification accuracy and reduce false positives across all classifiers, with LDA performing the best. However, to maintain the real-time responsiveness, crucial for practical applications, a balance must be struck. The results suggest an optimal time window of 1–2 s, offering a trade-off between classification performance and excessive delay to guarantee the system responsiveness. These findings underscore the importance of temporal optimization in MI-BCI systems to improve usability in real rehabilitation scenarios.
Ključne besede: BCI, EEG, classification, motor imagery
Objavljeno v DiRROS: 23.10.2024; Ogledov: 119; Prenosov: 478
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