马忠全，同济大学博士研究生，从事老年语言学、多模态语用学等研究，主要负责多模态语料采集和多模态数据处理。研究兴趣为老年人认知老化的神经生理机制和少数民族老年人语言问题。

MA Zhongquan is a Ph.D. student at Tongji University and is engaged in gerontolinguistics and multimodal pragmatics. He is responsible for multimodal corpus data collecting and processing. His principal research interests center on the neurophysiological mechanisms of elders' cognitive aging and language issues in ethnic minority elders.