Jackie Guendouzi, Ph.D., is a Linguist who received her undergraduate and graduate degrees from Cardiff University (UK) and is currently an Associate Professor at Southeastern Louisiana University. Her research interests include language processing in clinical populations and pragmatics. Filip Loncke, Ph.D., is assistant professor at the University of Virginia. He has lectured, conducted research, and published in psycholinguistic processes involved in atypical communication and in their clinical applications. In 2003 and 2004 he was president of the International Society for Augmentative and Alternative Communication (ISAAC). Mandy J. Williams, Ph.D., CCC-SLP, is an Assistant Professor in the Department of Communication Disorders at the University of South Dakota. Her research focuses on children and adults with fluency disorders.