Why does the rate of semantic satiation increase more rapidly for iconic signs in sign language compared to arbitrary signs?

💡 Explanation

Semantic satiation rises faster for iconic signs because their direct conceptual grounding in real-world referents leads to quicker activation and subsequent fatigue of the associated semantic representations. Therefore, the direct conceptual grounding interference rises, rather than involving only network resources or feature map depletion, which are less directly tied to meaning.

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