Verbs exist in all human languages and are important materials for studies of semantic memory. However, the brain mechanisms underlying verb semantic processing are still poorly understood. The posterior lateral temporal cortex (PLTC) is widely believed to play an important role in verb understanding. It has been assumed that PLTC is in charge of processing motion knowledge and logical structures of verbs. This project will provide new insight into the function of PLTC by conducting two sets of research. First, we will investigate whether the social semantic information of verbs, which has been largely overlooked by previous studies, modulates PLTC activation. Second, we will build computational models that can map PLTC activation to verb semantic features and make predictions about the verbs being thought of. We expect that this project will shed new light on the role of PLTC in verb semantic processing and improve our understanding of the regularities underlying neural processing of meaning.
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