Grey parrots (Psittacus erithacus) solve various cognitive tasks and acquire and use English speech in ways that often resemble those of very young children. Given that the psittacine brain is organized very differently from that of mammals, these results have intriguing implications for the study and evolution of vocal learning, communication, and cognition. For 25 years, I have taught Grey pa...

this article describes and explains some theoretical challenges to political ideologies and seeks to offer some proper responses to these challenges. in this regard, the following ideas are concentrated: 1) the political ideologies have their own subjective and objective motives and their own cognitive basics. the more these motives and basics change the more the political ideologies modifies. ...

Diagrams are often conceived as static representations. In this paper, by contrast, we explore how conceptual graphic representations can be used as communicative devices for knowledge-intense activities in groups. We do so by reviewing and extending existing cognitive and communicative dimensions and criteria. The aim of our research is to formalize the description of diagrams used in manageme...

This paper shows that emotional information conveyed by facial expression is often contained not only in the expression of emotions per se, but also in other communicative signals, namely the performatives of communicative acts. An analysis is provided of the performatives of suggesting, warning, ordering, imploring, approving and praising, both on the side of their cognitive structure and on t...

The question addressed in this paper is what we can learn from natural language interaction between humans and robots for modelling the robot’s cognitive structure. Experiments were carried out which show which communicative strategies human users employ in the interaction with an artificial communication partner. The communicative strategies found in the interaction show a complex mental model...

AIM To describe the speech rehabilitation history of patients with thalamic lesions. BACKGROUND Thalamic lesions can affect speech and language according to diverse thalamic nuclei involved. Because of the strategic functional position of the thalamus within the cognitive networks, its lesion can also interfere with other cognitive processes, such as attention, memory and executive functions....