scholarly journals Cognitive dimensions of predator responses to imperfect mimicry?

2007 ◽  
Author(s):  
Lars Chittka ◽  
Daniel Osorio
PLoS Biology ◽  
2007 ◽  
Vol 5 (12) ◽  
pp. e339 ◽  
Author(s):  
Lars Chittka ◽  
Daniel Osorio

2008 ◽  
Author(s):  
Patrick Conley ◽  
Padmanabhan Sudevan ◽  
Jonni-Rae Binder ◽  
Jeffrey P. Hayton ◽  
Rachel A. Dorshorst ◽  
...  

2020 ◽  
Vol 24 (1) ◽  
pp. 139-152 ◽  
Author(s):  
John Armbrecht

This study focuses on the perceived quality of participatory event experiences by addressing the following question: What are the important aspects of the event experience? The aim of this research is to develop and refine a scale to measure the quality of the event experience for runners at a participatory event. The objective is to combine, apply, test, and refine the existing scales to increase our understanding of the perceived quality of events among amateur running athletes. Both affective and cognitive dimensions are included in the scale. Based on seven dimensions and 36 items, a formal scale development process is adopted. The data consist of 1,923 observations collected during a participatory event with approximately 60,000 registered participants. The seven-factor model, including immersion, surprise, participation, fun, social aspects, hedonic aspects, and service quality, was gradually revised in favor of a four-factor solution: service quality, hedonic aspects, fun, and immersion. As a result, 73.1% of the variance is extracted. This study contributes to a refined scale measuring the perceived event quality of participatory events. Service quality accounts for more than half of the variance extracted. Researchers should continue to develop research on the critical experiential dimensions in an event context. Furthermore, the links between the constructs need attention. The results suggest that event organizers should evaluate their events and event portfolios based on the scale and take actions to increase the perceived quality of these events.


2016 ◽  
Vol 12 (1) ◽  
pp. 59-83 ◽  
Author(s):  
Robert H. Ashton

AbstractThis article explores the question of what distinguishes novices from experts in wine evaluation. Is it experts’ superior sensory abilities related to taste and smell, their superior cognitive abilities related to knowledge and memory, or a combination of both—and if a combination, which of the two dimensions of expertise, sensory or cognitive, seems to be more important? I address these issues by considering what has been learned in the past 30+ years from research concerning the sensory and cognitive dimensions of expertise in wine evaluation. The research examines expert/novice differences at both the chemical component level (detecting, discriminating among, and describing wine-relevant chemical components) and the holistic level (hedonic evaluation of wine as an integrated manifestation of its components). (JEL Classification: C93)


2015 ◽  
Vol 45 (12) ◽  
pp. 2657-2666 ◽  
Author(s):  
A. McCleery ◽  
M. F. Green ◽  
G. S. Hellemann ◽  
L. E. Baade ◽  
J. M. Gold ◽  
...  

BackgroundThe number of separable cognitive dimensions in schizophrenia has been debated. Guided by the extant factor analytic literature, the NIMH Measurement and Treatment Research to Improve Cognition in Schizophrenia (MATRICS) initiative selected seven cognitive domains relevant to treatment studies in schizophrenia: speed of processing, attention/vigilance, working memory, verbal learning, visual learning, reasoning and problem solving, and social cognition. These domains are assessed in the MATRICS Consensus Cognitive Battery (MCCB). The aim of this study was to conduct a confirmatory factor analysis (CFA) of the beta battery of the MCCB to compare the fit of the MATRICS consensus seven-domain model to other models in the current literature on cognition in schizophrenia.MethodUsing data from 281 schizophrenia outpatients, we compared the seven correlated factors model with alternative models. Specifically, we compared the 7-factor model to (a) a single-factor model, (b) a three correlated factors model including speed of processing, working memory, and general cognition, and (c) a hierarchical model in which seven first-order factors loaded onto a second-order general cognitive factor.ResultsMultiple fit indices indicated the seven correlated factors model was the best fit for the data and provided significant improvement in model fit beyond the comparison models.ConclusionsThese results support the assessment of these seven cognitive dimensions in clinical trials of interventions to improve cognition in schizophrenia. Because these cognitive factors are separable to some degree, it is plausible that specific interventions may have differential effects on the domains.


2014 ◽  
Vol 4 (2) ◽  
pp. 211-232 ◽  
Author(s):  
Katrin Riese ◽  
Mareike Bayer ◽  
Gerhard Lauer ◽  
Annekathrin Schacht

Plot suspense is one of the most important components of narrative fiction that motivate recipients to follow fictional characters through their worlds. The present study investigates the dynamic development of narrative suspense in excerpts of literary classics from the 19th century in a multi-methodological approach. For two texts, differing in suspense as judged by a large independent sample, we collected (a) data from questionnaires, indicating different affective and cognitive dimensions of receptive engagement, (b) continuous ratings of suspense during text reception from both experts and lay recipients, and (c) registration of pupil diameter as a physiological indicator of changes in emotional arousal and attention during reception. Data analyses confirmed differences between the two texts at different dimensions of receptive engagement and, importantly, revealed significant correlations of pupil diameter and the course of suspense over time. Our findings demonstrate that changes of the pupil diameter provide a reliable ‘online’ indicator of suspense.


Author(s):  
Petra Langerová

The paper deals with the process and results of a pilot study of a language learning styles questionnaire (Ehrman & Leaver, 2003) translated into Czech. The questionnaire is based on psychological personality typology and it focuses on cognitive dimensions of the language learning process. In order to test the reliability of the translation an exploratory factor analysis (EFA) was performed, as the data on the original questionnaire reliability are not available. Factor analysis did not confirm the reliability of the Czech version scale. However, the original questionnaire setting suggests that it is not constructed of independent factors, thus a factor analysis cannot identify independent dimensions. Considering the piloting results analysis is the EFA does not appear as a relevant method for measuring the reliability of the questionnaire scales. The research will thus use the piloted Czech version of the questionnaire followed by a qualitative research stage.


Author(s):  
Tatiana V. Chernigovskaya ◽  

The paper discusses semiotic aspects of higher human functions and a possibility and relevance of traditional search for their neurophysiological basis. The state of the art on the subject is reviewed and the lack of data on anthropological specificity for reasoning, thinking, language and its AI modeling is highlighted. Experimental neuroscience presumes that if we know the characteristics of neu­rons and their connections, we automatically understand what mind and con­sciousness are. However, it is evident that such a paradigm does not allow us to get relevant answers to the main questions. I argue that the problem should be dealt with not only within the field of neurophysiology proper. Rather, such re­search should involve exploring the 'archeology' of mental processes as they are revealed in arts as well as in other symbolic spaces. The paper discusses the ade­quacy of physiological methodology when it is employed to demonstrate brain mechanisms of higher functions. Besides, I explore the relevance of juxta­posing similar data from other biological and artificial intelligent systems. I view language processing, mind and reasoning and 1st person experience (qualia) as human specific features, and questions the possibility of direct testing these phenomena. The paper links genetic, anthropological and neurophysio­logical data to semiotic activity and semiosphere formation as the basis for com­munication. The paper discusses the place of humans in the changing world in the context of new cognitive dimensions.


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