769 research outputs found
Eye-movements reveal semantic interference effects during the encoding of naturalistic scenes in long-term memory
Similarity-based semantic interference (SI) hinders memory recognition. Within long-term visual memory paradigms, the more scenes (or objects) from the same semantic category are viewed, the harder it is to recognize each individual instance. A growing body of evidence shows that overt attention is intimately linked to memory. However, it is yet to be understood whether SI mediates overt attention during scene encoding, and so explain its detrimental impact on recognition memory. In the current experiment, participants watched 372 photographs belonging to different semantic categories (e.g., a kitchen) with different frequency (4, 20, 40 or 60 images), while being eye-tracked. After 10 minutes, they were presented with the same 372 photographs plus 372 new photographs and asked whether they recognized (or not) each photo (i.e., old/new paradigm). We found that the more the SI, the poorer the recognition performance, especially for old scenes of which memory representations existed. Scenes more widely explored were better recognized, but for increasing SI, participants focused on more local regions of the scene in search for its potentially distinctive details. Attending to the centre of the display, or to scene regions rich in low-level saliency was detrimental to recognition accuracy, and as SI increased participants were more likely to rely on visual saliency. The complexity of maintaining faithful memory representations for increasing SI also manifested in longer fixation durations; in fact, a more successful encoding was also associated with shorter fixations. Our study highlights the interdependence between attention and memory during high-level processing of semantic information
Competitiveness indicators of catering business entities : the case of Russia
Purpose: The article analyzes the existing marketing strategies in catering and define their influence on the competitiveness level of catering business entities in Russia. Design/Methodology/Approach: This article is dedicated to generalizing papers on the problems of catering marketing strategy formation. The object of the research is marketing strategies in catering and their influence on the competitiveness level of the entities. Findings: The novelty of the research is an algorithm of evaluation of the competitiveness level and marketing strategy adjustment of operating catering business entities based on the analysis of their major performance indicators. The algorithm with its system of certain indicators allows defining the competitiveness level, selecting and adjusting marketing strategies and sub-strategies, and, thus, enhancing the effectiveness of catering business entity performance. Practical implications: Flexibility and adaptiveness of this system entails that any catering business entity can select priority indicators from it and then calculate them to adjust marketing strategies and sub-strategies based on data obtained in the meantime. Originality/Value: The value lies in the disclosure of industry specifics of strategic marketing management in a definite economic activity considering essential strategic and operational factors which determine ultimate economic effectiveness of target marketing exposures.peer-reviewe
JUSTIFICATION OF CLASSIFICATION AND THE PRINCIPLES OF MANAGEMENT OF INNOVATIONS OF THE INDUSTRIAL ENTERPRISE AT THE PRESENT STAGE
On the basis of research of the existing domestic and foreign literature definition of the category «innovation» is given. Classification of innovations from a position of management of adaptation is offered and the new types of innovations allocated by financial result of innovative process for the industrial enterprise are revealed. The principles of management of adaptation of innovative processes in the industry are formulated
JUSTIFICATION OF CLASSIFICATION AND THE PRINCIPLES OF MANAGEMENT OF INNOVATIONS OF THE INDUSTRIAL ENTERPRISE AT THE PRESENT STAGE
On the basis of research of the existing domestic and foreign literature definition of the category «innovation» is given. Classification of innovations from a position of management of adaptation is offered and the new types of innovations allocated by financial result of innovative process for the industrial enterprise are revealed. The principles of management of adaptation of innovative processes in the industry are formulated
Sodium-Vanadium Bronze Na9V14O35: An Electrode Material for Na-Ion Batteries
Na9V14O35 (η-NaxV2O5) has been synthesized via solid-state reaction in an evacuated sealed silica ampoule and tested as electroactive material for Na-ion batteries. According to powder X-ray diffraction, electron diffraction and atomic resolution scanning transmission electron microscopy, Na9V14O35 adopts a monoclinic structure consisting of layers of corner- and edge-sharing VO5 tetragonal pyramids and VO4 tetrahedra with Na cations positioned between the layers, and can be considered as sodium vanadium(IV,V) oxovanadate Na9V104.1+O19(V5+O4)4. Behavior of Na9V14O35 as a positive and negative electrode in Na half-cells was investigated by galvanostatic cycling against metallic Na, synchrotron powder X-ray diffraction and electron energy loss spectroscopy. Being charged to 4.6 V vs. Na+/Na, almost 3 Na can be extracted per Na9V14O35 formula, resulting in electrochemical capacity of ~60 mAh g−1. Upon discharge below 1 V, Na9V14O35 uptakes sodium up to Na:V = 1:1 ratio that is accompanied by drastic elongation of the separation between the layers of the VO4 tetrahedra and VO5 tetragonal pyramids and volume increase of about 31%. Below 0.25 V, the ordered layered Na9V14O35 structure transforms into a rock-salt type disordered structure and ultimately into amorphous products of a conversion reaction at 0.1 V. The discharge capacity of 490 mAh g−1 delivered at first cycle due to the conversion reaction fades with the number of charge-discharge cycles
Power spectrum features of the near-Earth atmospheric electric field in Kamchatka
Power spectrum of the diurnal variations of the quasi-electrostatic field Ez in the near-Earth atmosphere have been presented for the first time. The Ez power spectrum variations in the period of fine weather have been shown to exhibit two bands of the periods of natural atmospheric oscillations with T = 1-5 and 6-24 h. These oscillations
are the modes of the internal gravity and tidal waves in the lower atmosphere. On the days under atmospheric precipitation, the spectral power of Ez increases by an order of magnitude. During the pre-earthquake period, when the diurnal Ez variation had an anomaly, the intensity of harmonics with T = 1.8, 2.2, and 3.8 h increased
by an order of magnitude or more in comparison with the Ez spectra in fine weather. Two additional spectral
bands with T = 0.6 and 1 h have appeared simultaneously
Projectile fragmentation at Fermi energies with transport simulations
Projectile fragmentation at Fermi energies is an important method to produce radioactive beams for the study of isospin asymmetric nuclear matter. Fragmentation is usually parametrized successfully by empirical phase space models. In this contribution we apply a microscopical method, semiclassical transport theory, to study in detail the reaction mechanism of the fragmentation process. We apply it to experimental data of 18O on 181Ta at E/A = 35 MeV measured in Dubna. We calculate consistently the excitation energy of the primary fragments and take into account their decay by a statistical model. It is found that the dissipative part of the fragment spectra is well described by transport theory. However, there are in addition important direct and collective contributions
Representation of Game Phrase-Making Mechanisms in Educational Dictionary: Practical Lexicography
The practical experience of the vocabulary representation of the mechanisms of game phraseology is described, the difficulties of lexicography of phraseological units built on the game paradox are listed, the ways to solve the problem of etymologization of phraseological games in the educational dictionary are showed. The main positions of the innovative technology for constructing educational phraseological dictionaries in paper format are presented. The relevance of the research is due to the great developmental impact of phraseological games on the addressee-child and the need to improve the system of their lexicographic description for educational purposes. The novelty of the research lies in the appeal to the unexplored problematic of describing phraseological games and the development of a technique for etymological paraphrasing, including interpretive and plot-compositional techniques, which are implemented in a twolevel configurative structure of etymological paraphrase. Special attention is paid to lexicographic techniques that allow revealing the specifics of phraseological games built on false imagery, as well as phraseological games, the content plan of which is not opposed to the expression plan, and their actual meaning is logically justified and motivated. Examples of dictionary entries of new phraseographic projects of the Experimental Laboratory of Educational Lexicography of Pskov University are given — a quest dictionary and a phraseological puzzle dictionary, the genres of which adequately reveal the specifics of phraseological games
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