[ACT-R-users] reading for the New Year

[Richard L. Lewis]

Hi folks,

Reading for "the new decade" seemed a little presumptuous, but these  
recent papers might be of interest to some in the short term.  You can  
follow the links directly below, but I hope you'll also visit our new  
website:   http://www-personal.umich.edu/~rickl/


Howes, A., Lewis, R. L., and Vera, A. H. (2009). Rational adaptation  
under task and processing constraints: Implications for testing  
theories of cognition and action. Psychological Review, 116(4): 
717-751.      [Understanding behavior as the adaptation to joint task  
and architecture constraints, deriving boundedly optimal task  
strategies, accounting for individual differences, and a new approach  
to teasing apart the contributions of architecture and strategy].     
DOWNLOAD PDF


Vasishth, S., Bruessow, S., Lewis, R. L., and Drenhaus, H. (2008).  
Processing polarity: How the ungrammatical intrudes on the  
grammatical. Cognitive Science, 32(4):685-712.   [Confirming a novel  
prediction from the ACT-R theory of sentence processing that Shravan  
Vasishth and I have been working on:  the existence of "grammatical  
illusions" (patently ungrammatical strings that are sometimes  
perceived as grammatical)]    DOWNLOAD PDF


Singh, S., Lewis, R. L., and Barto, A. G. (2009). Where do rewards  
come from? In Proceedings of the Annual Conference of the Cognitive  
Science Society, pages 2601-2606, Amsterdam.    [Extends the standard  
reinforcement learning framework by separating fitness from reward,  
providing a framework for deriving (optimal) reward functions.  There  
will shortly be several more papers out on this,  but this is a  
start.]    DOWNLOAD PDF


Jonides, J., Lewis, R. L., Nee, D. E., Lustig, C. A., Berman, M. G.,  
and Moore, K. S. (2008). The mind and brain of short-term memory.  
Annual Review of Psychology, 59:15.1-15.32.    [A review of modern  
accounts of  STM in psychology and neuroscience, showing convergence  
with approaches in ACT-R, and hypothesizing a set of low-level neural  
mechanisms at the base that may surprise you.]    DOWNLOAD PDF


Berman, M. G., Jonides, J., and Lewis, R. L. (2009). In search of  
decay in verbal short-term memory. Journal of Experimental Psychology:  
Learning, Memory, & Cognition, 35(2):317-333.  [We tried very hard to  
find solid evidence for decay, and barely succeeded.  We also tried  
very hard to use the data to falsify ACT-R's decay assumption, and  
failed. Short term decay seems to skate on thin ice, but it refuses to  
go down...]  DOWNLOAD PDF


Marinier, R. P., Laird, J. E., and Lewis, R. L. (2009). A  
computational unification of cognitive behavior and emotion. Cognitive  
Systems Research, 10(1):48-69   [A deep integration of emotion (via  
appraisal theory) and cognitive architecture (via Soar).  This is a  
chunk of Bob Marinier's thesis.]    DOWNLOAD PDF



Happy New Year!

-rick

--------------------------
Richard L. Lewis			rickl at umich.edu
Professor 					http://www-personal.umich.edu/~rickl/
Department of Psychology	 		Voice:  (734) 763-1466
University of Michigan 				Fax:    (734) 763-7480
530 Church Street 				Office:  East Hall 4428F
Ann Arbor, MI  48109-1043




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