Journal of Geo-information Science >
Neural Mechanism Analysis of Cartographic Visual Variables Syntactic Construction
Received date: 2023-10-03
Revised date: 2023-11-17
Online published: 2024-03-26
Supported by
National Natural Science Foundation of China(42371443)
National Natural Science Foundation of China(41971417)
National Natural Science Foundation of China(41930104)
The syntactic structure of visual variables refers to a set of rules that guide the matching of visual variables with the types of characteristics represented in data. In current cartographic research, the development of syntactic structures for constructing map symbols is deeply rooted in the experiential knowledge and intuition of cartographers, aiming to effectively convey information expressed in maps. However, there are notable shortcomings in the interpretation of visual neural mechanisms, such as inconsistent classification, inconsistent quantities, and controversial conclusions in the syntactic structure of visual variables. These challenges have far-reaching implications for the alignment of visual variables with data characteristics, often resulting in map representations that may fall short in terms of design efficacy. The ensuing complexity hinders better understanding of map information by users. Against this backdrop, the burgeoning field of visual neuroscience emerges as a transformative force, progressively unraveling the intricate information processing and features of the human visual system. This advancement provides a robust theoretical underpinning, offering a neurologically informed perspective in interpretating visual variable syntactic structures. To achieve a comprehensive understanding, this paper gives a summary of human eye-brain visual information processing. Taking cues from typical paintings and maps, the multifaceted features and processes inherent in complex cognitive activities are discussed. Subsequently, the paper delves into the neural mechanism of the classic syntactic structures of visual variables proposed by Bertin and MacEachren, unraveling the intricacies of how the human brain processes visual information to derive meaningful representations. A critical facet of this neural mechanism analysis involves the classification of visual variable syntactic structures, an undertaking approached from the vantage point of the functional characteristics of visual pathways and visual areas within the eye-brain. This nuanced analysis contributes to a refined understanding of their neural foundations, encompassing types, quantities, and conclusions associated with visual variable syntactic structures. The research outcomes not only present a novel cognitive perspective to the syntactic structure of visual variables but also establish a cognitive foundation for the judicious utilization of these visual variables in map design. This approach transcends the constraints imposed by reliance on empirical summaries in the study of map visual variable syntactic structures. In addition, it yields beneficial insights for the neural mechanism analysis of new visual variables and their syntactic construction in the context of modern cartography.
QIAO Lige , WU Mingguang , LV Guonian . Neural Mechanism Analysis of Cartographic Visual Variables Syntactic Construction[J]. Journal of Geo-information Science, 2024 , 26(1) : 121 -134 . DOI: 10.12082/dqxxkx.2024.230593
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