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SFB 991:  The Structure of Representations in Language, Cognition and Science

Subject Area Humanities
Medicine
Social and Behavioural Sciences
Term from 2011 to 2020
Project identifier Deutsche Forschungsgemeinschaft (DFG) - Project number 192776181
 
Final Report Year 2021

Final Report Abstract

CRC 991 was a coordinated interdisciplinary research initiative that investigated the structure of representations in language, cognition, and science. It united research in linguistics (lexical and compositional semantics, morphology, phonology, syntax, discourse, theory of grammar, linguistic typology, psycholinguistics, computational linguistics, and mathematical linguistics) with neuroscience, psychiatry, psychology, philosophy of mind, philosophy of science, philosophy of language, and the history of philosophy. The starting point was the hypothesis that there is a uniform structure of representations underlying the neural level, the cognitive level, the level of linguistic concepts and the level of institutionalized conceptions such as those used in science. This uniform structure is “frames”, where the CRC's notion of frames was inspired by the work of the cognitive psychologist L. W. Barsalou. Starting from this “frame hypothesis” the CRC aimed at a general theory of concepts and developed a formal frame model in which the notoriously vague notion of “frame” received a precise formal definition. The foundations of this theory were laid in the DFG Research Unit 600 “Functional Concepts and Frames” and extended by the CRC in various aspects such as the modelling of dynamic concepts and the treatment of modification, derivation and composition of concepts. An essential characteristic of frames is their potential to describe entities by means of attributes such as FORM, WEIGHT, and TASTE which are assigned unique values such as ‘round’, ‘5 grams’, and ‘salty’. Attribute-value structures defined in this way exhibit a high degree of expressivity: they allow for an arbitrary number of attributes and – because of recursiveness – an arbitrary depth of description so that the value of an attribute can again be an attribute-value structure. Following Barsalou, frames were not only considered as formally adequate but also cognitively plausible structures which are grounded in, and interact with, the sensory-motor system as was experimentally confirmed. Below, the various research topics investigated by the CRC and the most important results that the CRC has achieved are summarized: nominal concepts: exploring the distinction and structure of nominal concepts in language with semantic, typological, psycholinguistic, statistical, and historical approaches and developing frame representations for different nominal concepts; morphologically complex words: modeling the interaction of lexical frames in compounding and the operations on frames in derivational morphology; phonological structure: empirical evidence for a frame-based model of phonological structure and of paradigms in morphophonology; linguistic interfaces: interfacing frame semantics with morphosyntax, information structure and discourse, linking the mental representations of individual cognizers to the public meaning of natural language expressions; frames for eventualities: investigating the structure of frames for states and events including causal components, aspectuality, scalar change along particular dimensions, iterations and progressions of events, events denoted by complex predicates; formal aspects: frames as typed feature structures, logics for frames, quantification, dynamic frames; developing a framework for syntax-triggered frame composition; conceptual operations: modeling type shifts, coercion, polysemy, idiomatic/literal readings; grounding concepts, including linguistic meanings, in the sensory-motor system; modification: complex frame structures and frame composition in adverbial and adjectival modification, frame-based modification and syntactic accessibility; corpus-based investigations: inducing attributes for adjectives, induction of event frames for verbs, distributional evidence for lexical meaning; frames, scientific notions and scientific theories: frame analysis of scientific terminology and scientific theories in the natural sciences (chemistry and physics), criminal law, and psychiatry; frames and uncertainties/weights: investigating frame-based representations of prototypes and models of Bayesian category learning; history of the frame conception: investigating the foundation of the frame conception in philosophy; social cognition: evidence for frame-based representations in social interaction between rats.

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