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Semantic Knowledge
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Human brain stores tremendous amount of knowledge about this world, which is the foundation of object recognition, language, thought, and reasoning. What’s the neural codes of semantic knowledge representation? Is the knowledge “roses are red” simply the memory trace of perceiving the color of roses, stored in the brain circuits within color-sensitive neural systems? What about knowledge that is not directly perceived by senses, such as “freedom” or “rationality”? I will present a set of studies from my lab that addresses this issue, including object color (and other visual) knowledge in several populations (congenitally blind humans, color blind humans, and typically developed macaques), and semantic neural representation in individuals with early language experience deprivation. The findings point to the existence of two different types of knowledge coding in different regions of the human brain – one conservative, based on sensory experiences, and one based on language-derived machinery that support fully nonsensory information. The relationship between these two types of knowledge coding will be discussed.
Event date: 09/04/2025
Speaker: Professor Yanchao BI (Peking University)
Hosted by: Faculty of Humanities
- Subjects:
- Language and Languages
- Keywords:
- Neurobiology Semantics Brain
- Resource Type:
- Video