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Abstract

Changing a problem’s representation is a crucial process when solving insight problems. Recently, Laukkonen and Tangen (2017) found that observing ambiguous figures such as a Necker Cube before solving problems can increase insight frequency. In our research, we extended their procedure by including measures of feelings of insight (e.g., confidence and pleasure). This approach allowed us to test the replicability of relationships between perceptual switching and insight frequency in terms of both accuracy of problem solutions and insight phenomenology. The research took the form of two studies using two different samples (NA = 68 and NB = 198) using online platforms. Our results consistently showed no effect of prior Necker cube perception on accuracy. However, we found a significant difference in self- reported insight (1 - non-aha! experience to 5 – a very strong aha! experience) in our Sample B study. The results suggest the possibility that viewing ambiguous figures may not have a triggering effect on insight problem-solving performance but that it may trigger stronger insight experiences when solving insight problems.
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Authors and Affiliations

Angelika Olszewska
1
ORCID: ORCID
Agata Sobkow
1
ORCID: ORCID

  1. SWPS University of Social Sciences and Humanities, Wroclaw, Poland
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Abstract

The contribution presents a novel approach to the detection and tracking of lanes based on lidar data. Therefore, we use the distance and reflectivity data coming from a one-dimensional sensor. After having detected the lane through a temporal fusion algorithm, we register the lidar data in a world-fixed coordinate system. To this end, we also incorporate the data coming from an inertial measurement unit and a differential global positioning system. After that stage, an original image of the road can be inferred. Based on this data view, we are able to track the lane either with a Kalman filter or by using a polynomial approximation for the underlying lane model.

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Authors and Affiliations

Michael Thuy
Fernando León
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Abstract

My series “Some Berber Etymologies” is to gradually reveal the still unknown immense Afro-Asiatic heritage in the Berber lexical stock. The first part with some miscellaneous Berber etymologies was published back in 1996. Recently, I continued the series according to initial root consonants1 in course of my research for the volumes of the “Etymological Dictionary of Egyptian” (abbreviated as EDE, Leiden, since 1999, Brill)2 with a much more extensive lexicographical apparatus on the cognate Afro-Asiatic daughter languages. As for the present part, it greatly exploits the results of my ongoing work for the the fourth volume of EDE (analyzining the Eg. lexical stock with initial n-). The present part contains etymologies of Berber roots with initial *n- followed by dental stops. The numeration of the entries continues that of the preceding parts of this series. In order to spare room, I quote those well-attested and widespread lexical roots that appear common Berber, only through a few illustrative examples. The underlying regular consonant correspondences between Berber vs. Afro-Asiatic agree with those established by the Russian team of I.M. Diakonoff and summarized by A.Ju. Militarev (1991, 242–3).

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Authors and Affiliations

Gábor Takács

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