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Workshop 7: Systems Biology of Decision Making (June 16-20, 2008)

Organizers: Kevin Passino, Thomas Waite, Roger Ratcliff, Thomas Seeley, Nigel Franks, and Naomi Leonard

Experimental biology is uncovering the mechanisms supporting decision-making in individual animals (e.g., in monkeys) and social animal groups (e.g., bees and ants). Multiscale mathematical models are being developed and validated for several species, including those for the (i) neuron-to-behavioral levels in cognitive neuroscience (e.g., diffusion or decision field theory models), (ii) organism-to-group levels for social insects (e.g., differential equations and individual-oriented models), and (iii) individual/group-to-ecological levels in behavioral ecology (e.g., optimization or evolutionary game-theoretic models). Several of these models and species share common features; hence there exists significant opportunities for cross-fertilization and progress toward an understanding mechanisms and whole-system emergent properties. Mathematical, statistical, and computational analyses are being to used to study (i) properties of the dynamics of decision making (e.g., feedback mechanisms, coupling, stability, and speed-accuracy trade-offs), (ii) cross-scale effects (e.g., impact of massively parallel mechanisms at one level on emergence of choice discrimination or distractor elimination abilities at a higher level), (iii) effects of context (e.g., similarity and attractivity effects), and (iv) Darwinian evolution of robustness or reliability in the presence of uncertainty (e.g., isolated failures at one level and environmental variations). The goal of this workshop is to facilitate the development of an integrated "systems biology" of decision-making processes that spans multiple spatio-temporal scales and levels of biological organization, and accounts for the perspectives of biologists, psychologists, economists, mathematicians, and engineers.

Schedule

Monday, June 16
Individual Decision Making I
8:45-9:00am Welcome and introduction: Avner Friedman and Kevin Passino
9:00-10:00am Roger Ratcliff: Modeling Simple Decision Processes with Applications to EEG, Aging, and Sleep Deprivation
10:00-10:30am Break
10:30-11:30am Philip Holmes: Stochastic models for individual decisions and social influence in groups
11:30-1:30pm Lunch break
1:30-2:30pm Hauke Heekeren: A Multi-level Perspective on the Neurocognition of Decision Making
2:30-3:00pm Break
3:00-4:00pm Sophie Deneve: Bayesian decision with spiking neurons
Tuesday, June 17
Individual Decision Making II
9:00-10:00am Jeffrey Schall: Actions, reasons, neurons, and causes
10:00-10:30am Break
10:30-11:30pm Jochen Ditterich: The use of multidimensional stimuli in multi-alternative perceptual decision tasks: A tool for decoupling speed and accuracy and for exploring the effect of changes in the sensory noise level
11:30-1:30pm Lunch break
1:30-2:30pm Bill Newsome: Considering the evidence: integration of sensory and reward information for informing behavioral decisions
2:30-3:00pm Break
3:00-4:00pm Marius Usher: Contrasting neurocomputational models of perceptual choice
4:00-4:15pm Break
4:15-5:00pm Panel discussion: Leader, Roger Ratcliff
5:00-5:30pm Break
5:30-6:30pm Public lecture: Thomas Seeley
6:30pm Reception: in Jennings Hall, 3rd Floor
Wenesday, June 18
Ecology and Evolution of Individual and Group Decision Making
9:00-10:00am Thomas Waite
10:00-10:30am Break
10:30-11:30pm David Stephens: Impulsivity, Discounting, and Ecological Rationality with comments on four basic problems in animal decision-making
11:30-1:30pm Lunch break
1:30-2:30pm Luc-Alain Giraldeau: Social Foraging Decisions: Evolution and the Plasticity Gambit
2:30-3:00pm Break
3:00-4:00pm Melissa Bateson: The cognitive ecology of mate choice: individual decision mechanisms and group behaviour
4:00-4:15pm Break
4:15-5:00pm Panel discussion: Leader, Ian Hamilton
Thursday, June 19
Group Decision Making I
9:00-10:00am Thomas Seeley: The decision-making process of a honeybee swarm as it chooses a nest site
10:00-10:30am Break
10:30-11:30pm Kevin Passino: Swarm Cognition in Honey Bees
11:30-1:30pm Lunch Break
1:30-2:30pm Iain Couzin
2:30-3:00pm Break
3:00-4:00pm Naomi Leonard: Spatial Dynamics, Information Flow and Consensus in Fish Schools
4:00-4:15pm Break
4:15-5:00pm Poster session
6:00-9:00pm Banquet dinner at Holiday Inn on the Lane
Friday, June 20
Group Decision Making II
9:00-10:00am Nigel Franks: Nigel R. Franks, School of Biological Sciences, University of Bristol
10:00-10:30am Break
10:30-11:30pm Stephen Pratt: The interaction of group and individual decision-making during nest-site selection by ants
11:30-1:30pm Lunch break
1:30-2:30pm Nick Britton: Pheromone Trails and Ant Foraging Decisions
2:30-3:00pm Break
3:00-4:00pm James Marshall: Optimal decision-making in brains and social insect colonies
4:00-4:15pm Break
4:15-5:00pm Final panel discussion: Leader, Kevin Passino(Integrated perspectives on individual and group decision making. What new mathematics are being used, what new math is needed?)