نتایج جستجو برای: directionality
تعداد نتایج: 4555 فیلتر نتایج به سال:
We propose a version of Type-Logical Categorial Grammar (TLCG) which combines the insights of standard TLCG (Morrill 1994, Moortgat 1997) in which directionality is handled in terms of forward and backward slashes, and more recent approaches in the CG literature which separate directionality-related reasoning from syntactic combinatorics by means of λ-binding in the phonological component (Oehr...
This paper proposes a computational method for fully automated quadrilateral meshing. Unlike previous methods, this new scheme can create a quadrilateral mesh whose directionality is precisely controlled. Given as input: (1) a 2D geometric domain, (2) a desired node spacing distribution as a scalar function deened over the domain, and (3) a desired mesh directionality as a vector eld deened ove...
In this paper we develop a new proposal for distance-based penalty scaling in Optimality-theoretic analyses, including Harmonic Grammar. We apply this technique to the analysis of two phonological phenomena, both of which have posed challenges to implementation using standard constraint-based methods: directionality effects and bounded domain windows. We show that distance-based penalty scaling...
The directional sensitivity of photoreceptors is a result of their structure that make them act as optical fibers. Therefore measurement of photoreceptor directionality is a tool for testing the physical properties of photoreceptors in vivo. Clinical studies of photoreceptor directionality are limited by the fact that psycho-physical methods for measuring the Stiles-Crawford effect are time con...
Studies in linguistics (Centro interdipartimentale di studi cognitivi sul linguaggio)
Kinesins are molecular motors that transport various cargoes along microtubule tracks using energy derived from ATP hydrolysis. Although the motor domains of kinesins are structurally similar, the family contains members that move on microtubules in opposite directions. Recent biochemical and biophysical studies of several kinesins make it possible to identify structural elements responsible fo...
Goldfish (Carassius auratus) escape responses to sudden auditory stimuli are mediated by a pair of reticulospinal neurons, the Mauthner (M-) cells, which integrate mechanosensory inputs from the inner ear and the lateral line (LL) to initiate a fast directional response away from the aversive stimulus. This behavior is context dependent; when near an obstruction the fish may rather turn towards...
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