Beijing Foreign Studies University 2 articles published in JoVE Behavior Experimental Paradigm for Measuring the Effect of Induced Emotion on Grammar Learning Xinmiao Liu1, Wenbin Wang2, Anni Xie3 1School of English for Specific Purposes, Beijing Foreign Studies University, 2National Research Centre for Foreign Language Education, Beijing Foreign Studies University, 3School of European Languages and Cultures, Beijing Foreign Studies University Here, we present a protocol to measure the effect of positive induced emotion on grammar learning in foreign language learners using a semi-artificial language that integrates the grammatical rules of a foreign language with the lexicon of the learners' native language. Behavior An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing Xinmiao Liu1, Haiyan Wang2, Anni Xie3, Xinyun Mao4 1School of English for Specific Purposes, Beijing Foreign Studies University, 2Institute of Language and Brain Science, School of Translation Studies, Qufu Normal University, 3School of European Languages and Cultures, Beijing Foreign Studies University, 4School of Asian and African Studies, Beijing Foreign Studies University Here, we present a protocol to examine the age-related decline in sentence processing using a maze task that allowed us to localize the processing difficulty at each word of the sentences during reading.