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Daniel Casasanto (Cornell University)
Daniel Casasanto (Cornell University)

Tue 13 Jun

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Online Lecture

Daniel Casasanto (Cornell University)

Daniel Casasanto is an Associate Professor in the Department of Psychology at Cornell University. His research explores how language, culture, and bodily experiences influence the way people think, feel, and make decisions.

TIME & LOCATION

13 Jun 2023, 16:00 – 18:00 CEST

Online Lecture

ABOUT THE EVENT

Title

All Concepts Are Ad Hoc Concepts

Abstract

To explain how people think and communicate, cognitive scientists posit a repository of concepts, categories, and word meanings that are stable across time and shared across individuals. In this talk, I’ll argue that this stability is an illusion: All concepts, categories, and word meanings (CC&Ms) are constructed ad hoc, each time we use them. On this proposal, all words are infinitely polysemous, all communication is “good enough,” and no idea is ever the same twice. The details of people’s ad hoc CC&Ms are determined by the way retrieval cues (such as words) interact with the physical, social, and linguistic context. Commonalities across instantiations of CC&Ms yield some emergent stability and create the appearance of context-independent core properties. Yet, arguably even the most stable-seeming CC&Ms are instantiated via the same processes as those that are more obviously ad hoc, and they vary (a)…

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