Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 84 for “"spatial representation"”.
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An Experimental Investigation of Spatial Representation in Oil Painting
… of the study was (1) to investigate concepts of spatial representation and to study the spatial means used to achieve them; (2) to integrate these concepts and means with a series of oil paintings; and (3) to present conclusions that would suggest modifications in the candidate's painting …
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Impaired and enhanced spatial representation of the PSD-95 knockout mouse
… preserving two PDZ binding domains causes a spatial learning and memory deficit and a dramatic enhancement of synaptic strengthening. Long Term Potentiation is enhanced at all frequencies of stimulation (1-100Hz), while Long Term Depression is absent in the mutants. This study explores CA1 …
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Spatial representation from birth to old age: Insights from comparative neurobiology and behavioral genomics.
… Animal studies show evidence of its role in spatial navigation and memory. The complex network of spatial cells in the hippocampus, all participate in constructing a cognitive map in the brain, where an animal stores information about the external environment and uses it to engage in future …
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The Effectiveness of Qualitative Spatial Representation in Supporting Spatial Awareness and Spatial Decision-Making
Qualitative Spatial Representation (QSR) provides a foundation for encoding knowledge about objects in space and the relationships between them using discrete intervals rather than scalable or measurable numeric representations. QSR is said to be easier for humans to grasp than quantitative …
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Spatial representation in drawing: The influence of size, viewpoint, and observation on drawing development
Previous research (Willats, 1977a, b; Nicholls & Kennedy, 1992) concerning the final stage and route of drawing development in terms of projection systems remains controversial. In an attempt to clarify the complexity surrounding this topic, the present research investigated the underling cognitive …
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The Effects of Two-Dimensional and Three-Dimensional Stimuli on Spatial Representation in Drawings
… used in instruction have been two-dimensional representations, giving learners little experience working with three-dimensional images. Little research has been done to explain the effects of two-dimensional and three-dimensional stimuli on the learning process. This study examined the effects …
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The effect of development, manipulation of objects, and verbal cues on the spacial representation in young children's drawings
… and verbal cues on preschooler's spacial representation in observational drawing. Children from three developmental levels, four-, five-, and six-year-olds were given the task to draw a transparent object in front of an opaque object. The experimental variables included various levels of …
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Conceptual Requirement Validation for Architecture Design Systems
… represent architectural design at a low level of spatial abstraction. While this representation model allows CAAD programs to capture the precise spatial characteristics of a design, it means that CAAD programs lack the underlying computational apparatus necessary to reason about design at a …
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Spatial and temporal path planning
… thesis presents an integrated route planner and spatial representation system for planning real-time paths through dynamic domains called Robonav. Robonav will find the safest 9 most efficient route through time and space as described by an evaluation function. Due to the design of the spatial …
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Qualitative spatial change: space-time histories and continuity
Spatial configurations tend to change. Dealing with spatial representations often means dealing with changing representations. Change in state for qualitative spatial representation languages has been analyzed through transition graphs in which relations form conceptual neighbourhoods via potential …
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Spatial Mapping in Wild White -Faced Capuchin Monkeys (Cebus Capucinus)
… concerning human and nonhuman primate cognition, spatial memory, and the ability of monkeys to form mental maps of the location and distribution of feeding and resting sites across a forested landscape. Primates exploit home ranges that vary on spatial scales ranging from less than one hectare to …
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Dynamic Fluctuations in Emotion and Space Representation: A Functional Cerebral Systems Approach to Right Hemisphere Dysfunction
… theoretical models related to emotion and space representation in the brain. Previous research has established that emotion is represented, processed, expressed, and regulated largely by the right hemisphere. Furthermore, there is evidence from experimental paradigms and clinical case reports to …
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Visual memory
… It is a unique combination of databases, spatial representation and indexing, and temporal representation and indexing. This thesis designs a visual memory architecture that meets the requirements of a number of computer vision applications. It also presents an implementation of part of …
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Computational modelling of agent based path planning and the representation of human wayfinding behaviour within egress models
… path to all agents. This is not a realistic representation of the actual route choices made by people in circulation/evacuation conditions. Wayfinding is a dynamic process and cannot be modelled as a static process by assigning pre-determined routes to the agents. Wayfinding is thus a very …
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Patient-Specific Computer Modeling of Blood Flow in Cerebral Arteries With Aneurysm and Stent
… special techniques include using NURBS for the spatial representation of the surface over which the stent mesh is built, mesh generation techniques for both the finite- and zero-thickness representations of the stent, techniques for generating refined layers of mesh near the arterial and stent …
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A fine-grained geospatial representation and framework for large-scale indoor environments
… or are not characterized in existing geospatial models, and proposes a comprehensive representation for describing such spatial environments. Specifically, it presents enhanced notions of spatial containment and graph topology for indoor environments, and extends existing geometric and …
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Implementing a hybrid spatial discretisation within an agent based evacuation model
… to represent space namely a continuous representation of space, a fine network of nodes or a coarse network of nodes. Each approach has its benefits and limitations; the continuous approach allows for an accurate representation of the building space and the movement and interaction of …
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Desempenho, limitações e aprimoramento das estimativas de precipitação do IMERG sobre o Nordeste brasileiro: aplicações na Bacia do Parnaíba
… of rain gauge stations hinder adequate spatial representation of precipitation. In this context, improving remote sensing-based estimates has become essential, with the Integrated MultisatellitE Retrievals for GPM (IMERG) product standing out as one of the most prominent recent …
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Public street surveillance: A psychometric study on the perceived social risk
… that presents risk perception in a two factor representation, being dread risk and familiarity to risk. Four additional control activities and technologies were tested, being radioactive waste, drinking water chlorination, coal mining disease and home swimming pools. Analysis included spatial …
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A cognitive approach to spatial patterning in literary narrative
This thesis argues that spatial representation in literary narrative is governed by the order of the visual perceptual system. This study reviews three categories of space - landscapes, indoors and the body - within a data set of novels and argues that each reveals a systematic pattern of …
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