Arthur M. Glenberg and Michael P. Kaschak report a new phenomenon in language comprehension called the action-sentence compatibility effect (ACE). Participants judged the sensibility of sentences by making physical movements toward or away from their bodies. When a sentence implied action in one direction, participants had difficulty judging sentences that required the opposite action. The ACE was observed in imperative sentences, concrete object transfers, and abstract entity transfers, such as "Liz told you the story." These findings support an embodied theory of meaning, where language comprehension is grounded in bodily action, rather than abstract symbol theories. The paper discusses the debate over whether language meaning is abstract or grounded in bodily experience. The authors argue that language comprehension is grounded in action, as demonstrated by the ACE. They propose the indexical hypothesis (IH), which suggests that meaning is derived from action and that words and syntax are mapped to perceptual symbols. Affordances, or potential interactions between bodies and objects, are derived from these symbols and are combined under the guidance of syntax to form action-based meaning. The IH is tested through experiments where participants judged the sensibility of sentences by making physical responses. The results showed that understanding a sentence implying action in one direction interfered with a physical response in the opposite direction, supporting the idea that language comprehension is grounded in bodily action. The ACE was found for imperative, concrete transfer, and abstract transfer sentences, indicating that language understanding is not purely symbolic but involves physical action. Experiments 2A and 2B replicated and extended the ACE findings. Experiment 2A showed the ACE was significant, while Experiment 2B found no ACE when responses did not require physical movement, indicating that the ACE depends on action, not spatial location. The results support the IH and suggest that language comprehension is grounded in bodily experience. The paper concludes that language understanding is grounded in action, with meaning derived from the actions described in sentences. This challenges abstract symbol theories and supports the idea that language is understood through physical interaction. The analysis extends to various forms of language, including abstract and causal statements, suggesting that language comprehension is deeply rooted in human experience.Arthur M. Glenberg and Michael P. Kaschak report a new phenomenon in language comprehension called the action-sentence compatibility effect (ACE). Participants judged the sensibility of sentences by making physical movements toward or away from their bodies. When a sentence implied action in one direction, participants had difficulty judging sentences that required the opposite action. The ACE was observed in imperative sentences, concrete object transfers, and abstract entity transfers, such as "Liz told you the story." These findings support an embodied theory of meaning, where language comprehension is grounded in bodily action, rather than abstract symbol theories. The paper discusses the debate over whether language meaning is abstract or grounded in bodily experience. The authors argue that language comprehension is grounded in action, as demonstrated by the ACE. They propose the indexical hypothesis (IH), which suggests that meaning is derived from action and that words and syntax are mapped to perceptual symbols. Affordances, or potential interactions between bodies and objects, are derived from these symbols and are combined under the guidance of syntax to form action-based meaning. The IH is tested through experiments where participants judged the sensibility of sentences by making physical responses. The results showed that understanding a sentence implying action in one direction interfered with a physical response in the opposite direction, supporting the idea that language comprehension is grounded in bodily action. The ACE was found for imperative, concrete transfer, and abstract transfer sentences, indicating that language understanding is not purely symbolic but involves physical action. Experiments 2A and 2B replicated and extended the ACE findings. Experiment 2A showed the ACE was significant, while Experiment 2B found no ACE when responses did not require physical movement, indicating that the ACE depends on action, not spatial location. The results support the IH and suggest that language comprehension is grounded in bodily experience. The paper concludes that language understanding is grounded in action, with meaning derived from the actions described in sentences. This challenges abstract symbol theories and supports the idea that language is understood through physical interaction. The analysis extends to various forms of language, including abstract and causal statements, suggesting that language comprehension is deeply rooted in human experience.