2007 Program     ~ ~ ~ Day 1 ~ Thursday November 1, 2007 ~ ~ ~ 1:30-3:00PM Keynote Speaker Read Montague, Baylor College of Medicine 3:00-4:30PM Contributed Talks Six 15 min. talks: Gregory Dam - "A Bayesian Model of Motor Reward Learning" Rafal Bogacz - "The basal ganglia and cortex implement optimal decision making between alternative actions" Patrick Simen - "Explicit melioration by a simple neural network" Heather Ames - "Speaker normalization using cortical strip maps: A neural model for steady state vowel identification" Javier Bautista - "Learning objects, places and relations in a brain model of visual navigation" Laurenz Wiskott - "Slowness and Sparseness Lead to Place-, Head Direction-, and Spatial-View Cells" 4:30-5:00PM Break w/ snacks   5:00-7:00PM Symposium: Computational Models in Biological Psychiatry   Michael Frank, University of Arizona (Moderator) Jeremy Seamans, University of British Columbia Anthony Bishara, Indiana University Quentin Huys, Columbia   7:00-9:00PM Main Poster Session Hors d'oeuvre w/ cash bar ~ ~ ~ Day 2 ~ Friday November 2, 2007 (Posters to remain up until 2:30 PM) ~ ~ ~   8:30-10:30AM Symposium: Computionally-Based Brain Imaging: Models, Levels, and Approaches Todd Braver, Washington University, St. Louis (Moderator) John Anderson, Carnegie Mellon John O'Doherty, California Institute of Technology Ken Norman, Princeton Barry Horwitz, NIH 10:30-11:00AM Break   11:00-12:30PM Contributed Talks Six 15 min. talks: Elliot Ludvig - "Stimulus representations and the timing of reward prediction errors" Misha Ahrens - "Inferring Elapsed Time from Stochastic Neural Processes" Maneesh Sahani - "A Unifying Probabilistic Computational Framework for Attention" Philippe Domenech - "Predictability and surprise during rapid perceptual decision-making" Jeffrey Johnson - "A Neurally-Based Process Model of Visual Working Memory and Change Detection" Janet Hsiao - "A differential encoding account of hemispheric asymmetry in visual perception" 12:30-2:00PM Business Meeting & Lunch Lunch on own 2:00-2:30PM Final Poster Session Morning talks focus 2:30-4:30PM Symposium: Hippocampal Neurogenesis in Learning and Memory Janet Wiles, University of Queensland (Moderator) Christina Dalla, Rutgers Laurenz Wiskott, Humboldt University, Berlin Sue Becker, McMaster University 4:30-5:00PM Break   5:00-6:30PM Keynote Speaker Alex Pouget, University of Rochester ~ ~ ~

2006 Program

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Day 1 ~ Wednesday November 15, 2006

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8:30-10:00AM Keynote Speaker Mark Seidenberg, University of Wisconsin, Madison 10:00-10:30AM Break   10:30-12:00N Contributed Talks Six 15 min. talks: Vanessa Simmering Randal Koene Howard Bowman Li Zhaoping Xing Wang Lee Newman 12:00-1:30PM Lunch     1:30-3:30PM Symposium: Face/Objection Recognition - Are Faces Special, or Just a Special Case?   Gary Cottrell, U. of California, San Diego (Moderator) Kalanit Grill-Spector, Stanford Alice O'Toole, University of Texas, Dallas Maximilian Riesenhuber, Georgetown   3:30-4:00PM Break   4:00-5:30PM Contributed Talks Six 15 min. talks: Abninder Litt Josh Brown Jeffrey Gavornik Michael Frank Charles Anderson Eddy Davelaar 5:35-8:00PM Main Poster Session Hors d'oeuvre w/ cash bar

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Day 2 ~ Thursday November 16, 2006

(Posters to remain up until approx. 1:00 PM)

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8:30-10:30AM Symposium: Semantics - Development and Brain Organization of Conceptual Knowledge Jay McClelland, Stanford University (Moderator) Linda Smith, Indiana University Tim Rogers, University of Wisconsin Alex Martin, NIMH 10:30-11:00AM Break   11:00AM-12:30PM Keynote Speaker Michael Kahana, University of Pennsylvania 12:30-2:30PM Lunch & Business Meeting   2:30-4:30PM Symposium: Emergent Cognitive Control - Computational and Empirical Investigations Michael Mozer, University of Colorado, Boulder (Moderator) Stephen Monsell, University of Exeter Gordon Logan, Vanderbilt Matt Bottvinick, University of Pennsylvania Sue Becker, McMaster

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Symposia Descriptions:

3 Symposia (2 hours each):

1. Face/Object Recognition: Are Faces Special, or Just a Special Case? Computational models of face and object processing
   
   Speakers:
   • Gary Cottrell, UCSD (Moderator)
   • Kalanit Grill-Spector, Stanford
   • Alice O'Toole, UT Dallas
   • Maximilian Riesenhuber, Georgetown
   
   Description:
   What can computational models tell us about human visual object processing? We have excellent models that explain how we may recognize objects at multiple scales and orientations, while other models explain why faces may or may not be "special," or simply a special case. The goal of this symposium is to summarize what we understand with some degree of confidence, what is still not understood, and to what degree what we understand meshes with data on human and animal visual processing, including behavioral, fMRI, neurophysiological, and neuropsychological data.
2. Semantics: Development and Brain Organization of Conceptual Knowledge: Computational and Experimental Investigations.
   
   

   Speakers:

   • Jay McClelland, Stanford University (Moderator)
   • Linda Smith, Indiana University
   • Tim Rogers, University of Wisconsin
   • Alex Martin, National Institute of Mental Health
   
   Description:
   The symposium is predicated on the assumption that there are link between conceptual structure, experience, conceptual development, and brain organization of conceptual knowledge. Jay McClelland will begin with a computational perspective on conceptual development, followed by Linda Smith with an empirical perspective. We would then switch to the subject of brain organization of conceptual knowledge, beginning with a computational perspective by Tim Rogers followed by an empirical perspective from Alex Martin.
3. Emergent Cognitive Control: Computational and Empirical Investigations
   
   Speakers:
   
   • Mike Mozer, University of Colorado (Moderator)
   • Stephen Monsell, University of Exeter
   • Gordon Logan, Vanderbilt University
   • Matt Botvinick, University of Pennsylvania
   • Sue Becker, McMaster University

Description:
Cognitive control is required whenever an individual performs novel activities, either because the task is novel or because the stimuli, responses, or task environment is unfamiliar. Aspects of cognitive control include: the deployment of visual attention, the selection of responses, and the use of working memory to subserve ongoing processing. The cognitive architecture is extremely flexible. The role of cognitive control is to reconfigure this general-purpose architecture to perform a specific task. Cognitive control is typically conceived of in terms of an active process in frontal cortex which guides and routes processing in posterior systems. Even if the process is implemented in neural hardware, it still has the flavor of a homunculus---an intelligent overseer that inhibits or otherwise biases processing in less intelligent, subservient systems. In this symposium, we wish to explore alternative perspectives on cognitive control, including perspectives that treat control as an emergent property of a complex cognitive architecture, and perspectives in which control is not an explicit active process, but rather a consequence of the sequential dynamics of experience. ~ ~ ~