Dr. Sergey Avrutin is a Professor of Comparative Pycholinguistics at the Department of Modern Languages. From 2000 to 2005 he was the program leader of the NWO-sponsored PIONEER research program Comparative Psycholinguistics. His research focuses on normal child language development and language impairment (aphasia) with special emphasis on the syntax-discourse interface and the application of information theory to the analyses of errors in child and aphasic speech as well as special registers (e.g. newspaper headlines, TV commentators, etc.) Among other things, he is a member of the editorial board of Language Acquisition, Journal of Neurolinguistics and has edited a special issue of Brain and Language.