Article ; Online: SymCog: An open-source toolkit for assessing human symbolic cognition.
2022 Volume 55, Issue 2, Page(s) 807–823
Abstract: Symbol systems have a profound influence on human behavior, spanning countless modalities such as natural language, clothing styles, monetary systems, and gestural conventions (e.g., handshaking). Selective impairments in understanding and manipulating ... ...
| Abstract | Symbol systems have a profound influence on human behavior, spanning countless modalities such as natural language, clothing styles, monetary systems, and gestural conventions (e.g., handshaking). Selective impairments in understanding and manipulating symbols are collectively known as asymbolia. Here we address open questions about the nature of asymbolia in the context of both historical and contemporary approaches to human symbolic cognition. We describe a tripartite perspective on symbolic cognition premised upon (1) mental representation of a concept, (2) a stored pool of symbols segregated from their respective referents, and (3) fast and accurate mapping between concepts and symbols. We present an open-source toolkit for assessing symbolic knowledge premised upon matching animated video depictions of abstract concepts to their corresponding verbal and nonverbal symbols. Animations include simple geometric shapes (e.g., filled circles, squares) moving in semantically meaningful ways. For example, a rectangle bending under the implied weight of a large square denotes "heaviness." We report normative data for matching words and images to these target animations. In a second norming study, participants rated target animations across a range of semantic dimensions (e.g., valence, dominance). In a third study, we normed a set of concepts familiar to American English speakers but lacking verbal labels (e.g., the feeling of a Sunday evening). We describe how these tools may be used to assess human symbolic processing and identify asymbolic deficits across the span of human development. |
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| MeSH term(s) | Humans ; Symbolism ; Cognition ; Language ; Semantics ; Gestures |
| Language | English |
| Publishing date | 2022-04-25 |
| Publishing country | United States |
| Document type | Journal Article ; Research Support, N.I.H., Extramural |
| ZDB-ID | 231560-9 |
| ISSN | 1554-3528 ; 0743-3808 ; 1554-351X |
| ISSN (online) | 1554-3528 |
| ISSN | 0743-3808 ; 1554-351X |
| DOI | 10.3758/s13428-022-01853-0 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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