Search for dissertations about: "Cognitive hierarchy"
Showing result 1 - 5 of 18 swedish dissertations containing the words Cognitive hierarchy.
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1. Agency and Artefacts : A cognitive semiotic exploration of design
Abstract : This thesis investigates the role of artefacts in relation to human agency and design within a cognitive semiotics framework. It deals with questions such as What is agency? What are artefacts and how does agency relate to them? What kind of intentions are involved in the activity of designing? What is human-specific with respect to agency and design? How can the origins and evolution of design be explained? Addressing these questions, the thesis proposes a layered model of agency for explaining the relations between different grades of agentive complexity. READ MORE
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2. Picture Viewing and Picture Description: Two Windows on the Mind
Abstract : In this thesis, I connect two disciplines, linguistics and vision research, and combine two methods, spoken language protocols and eye movement protocols, in order to cast light on the underlying cognitive processes. In a series of studies, I investigate the processual aspects of picture viewing and picture description. READ MORE
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3. On Dynamic Spectrum Access in Cognitive Radio Networking
Abstract : The exploding increase of wireless communications combined with the existing inefficient usage of the licensed spectrum gives a strong impetus to the development and standardization of cognitive radio networking and communications. In this dissertation, a framework for Dynamic Spectrum Access (DSA) is first presented, which is the enabling technology for increasing the spectral efficiency of wireless communications. READ MORE
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4. Aiming at Moving Targets : Applying Cognitive Work Analysis to Work Domains in Transition
Abstract : The design of IT systems for complex work environments is essential for workers to be able to operate more effectively and efficiently. To design a system that supports the workers' specific tasks we need to understand the work demands and the context in which the system operates. READ MORE
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5. Comparative studies of cognitive abilities in the Paridae : Evidence from laboratory studies
Abstract : The Paridae (tits, titmice and chickadees) is a bird family consisting of both food hoarding and non-hoarding species. Many studies have been conducted on birds that are considered to be cognitively advanced, such as parrots and corvids, whereas much less is known about these small passerines. READ MORE