"Toward Detailed Models of Sentence Processing Constrained by ERP Data." Workshop on Analyzing and Modelling Event-Related Brain Potentials: Cognitive and Neural Approaches. Potsdam University, Germany, November 2001. [PDF] "Does the Mind Need a Bottleneck? Toward a functional analysis of bottlenecks, executive processes, and control structure." NASA Ames Research Center, Cognitive Group, November 2001. [PDF] "ACT-R and Language Processing: Opportunities, Challenges, and the Linguistic Killer Bees." ACT-R Post-Graduate Summer School, July 2001. [PDF] "Building a UTC from the top-down: What cognitive architectures might have to offer theories of executive function in cognitive neuroscience." Soar Workshop 21, University of Michigan, May 2001. [PDF] Lewis, R. L. & Nakayama, M. "The Representation of Serial Order Information in Sentence Processing: Insights from Work on Short Term Memory and Implications for Processing Complexity. " Fourteenth Annual CUNY Sentence Processing Conference, University of Pennsylvania, Philadelphia, March 2001. [PDF] Boland, J. E. & Lewis, R. L. "Distinguishing Generation and Selection of Modifier Attachments: Implications for Lexicalized Parsing and Competition" Fourteenth Annual CUNY Sentence Processing Conference, University of Pennsylvania, Philadelphia, March 2001. [PDF]   Working Memory for Syntactic Processing: Serial Order Information and Cue-based Retrieval." Department of Psychology, Michigan State University, February 2001. [PDF] "A Theory of Short-Term Memory Retrieval in Sentence Processing." Institute of Cognitive Science, University of Lousiana at Lafayette, October, 2000. "Sentence Processing as Memory Retrieval: A Computational Model of Race-based Parsing in a Limited Working Memory." Language Technologies Institute, School of Computer Science, Carnegie Mellon University, February, 2000. "A Theory of Short-Term Memory Retrieval in Sentence Processing." Department of Psychology, Carnegie Mellon University, February, 2000. "Sentence Processing as Memory Retrieval: A Computational Model of Race-based Parsing in a Limited Working Memory." Department of Psychology, University of Michigan February, 2000. "A Theory of Short-Term Memory Retrieval in Sentence Processing." Department of Psychology, University of Michigan, February, 2000. "In Search of Fully Lexical Parsing." Department of Psychology, Potsdam University, December, 1999. "Determinants of Processing Complexity in Japanese: New Theory and Data." (with Mineharu Nakayama), International East Asian Psycholinguistics Workshop, Ohio State University, July, 1999. "Computational and Psychological Foundations of Sentence Processing." Seminar at Departments of Psychology and Linguistics, Potsdam University, June, 1999. "What Will It Take to Determine Whether Human Parsing is Serial or Parallel?", The CUNY Sentence Processing Conference, New York City, March 1999. [the paper based on this talk in PDF]   "Attachment Without Competition: A Race-based Model of Ambiguity Resolution in a Limited Working Memory". CUNY Sentence Processing Conference, March 1999. [postscript]   "Interference in Working Memory: Retroactive and Proactive Interference in Parsing". CUNY Sentence Processing Conference, March 1998. [PDF]   Carnegie Mellon Psychology Colloqium, December 1998. Sentence Comprehension with Limited Working Memory: Computational and Cognitive Foundations. [postscript]   "Limited Repair Parsing", Workshop on Reanalysis in Sentence Processing, New Brunswick, NJ, March 18, 1998. [the paper based on this talk in PDF]   "Interference in Working Memory: The Magical Number Two or Three in Sentence Comprehension", Department of Psychology and Cognitive Science Center, Hong Kong University, November 26, 1997.   "A Soar Perspective on Working Memory" (with Richard Young), Symposium on Models of Working Memory, University of Colorado, Boulder, July 10, 1997. [the paper based on this talk in postscript]   "Interference in Working Memory: The Magical Number Two in Sentence Processing", Symposium for Computational and Neural Bases of Language, University of Michigan Psychology Department, Ann Arbor, May 16, 1997.