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Robotics can serve as a testbed for cognitive theories. One behavioral criterion for comparing theories is the extent to which their implementations can learn to exploit new environmental opportunities. Furthermore, a robotics testbed forces researcher to confront fundamental issues concerning how internal representations are grounded in activity. In our approach, a mobile robot takes the role ...
Human knowledge is intentional, as opposed to ‘knowledge’ represented by the computer, which is syntactic. The premise of this paper is that nevertheless a process model of cognition can be defined which is isomorphic and analogous to Peirce’s 9-adic classification of signs. An advantage of the relation with the Peircean concepts lies in the model’s potential for the definition of a ‘natural’ r...
This paper examines the Scandinavian terminology for ‘soot’ in connection with a number of Saami appellatives view to deciding which them are native and result from borrowing. Special attention is paid problem adopting loanwords Northern Europe, especially Peninsula. Two Proto- Germanic words denoting discussed morphological etymological point view. It suggested that West noun *hrōta- m./n. clo...
Abstract Conditions in the outer protoplanetary disk during solar system formation were thought to be favorable for of amorphous water ice (AWI), a glassy phase ice. However, subsequent collisional processing could have shock-crystallized any AWI present. Here we use iSALE shock physics hydrocode simulate impacts between large icy bodies at impact velocities relevant these environments, and the...
BACKGROUND Epigenetic alterations have been implicated in the pathogenesis of solid tumors, however, proto-oncogenes activated by promoter demethylation have been sporadically reported. We used an integrative method to analyze expression in primary head and neck squamous cell carcinoma (HNSCC) and pharmacologically demethylated cell lines to identify aberrantly demethylated and expressed candid...
Asbestos fibers cause persistent increases in activator protein-1 (AP-1) family member proto-oncogenes in lung epithelial and mesothelial cells that are linked to proliferation and cell transformation. Using lung epithelial cells, the progenitor cells of lung cancers, we report that crocidolite asbestos initially depletes intracellular glutathione followed by up-regulation of both catalytic and...
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