By Joshua M. Epstein
The ultimate quantity of the Groundbreaking Trilogy on Agent-Based Modeling
In this pioneering synthesis, Joshua Epstein introduces a brand new theoretical entity: Agent_Zero. This software program person, or "agent," is endowed with particular emotional/affective, cognitive/deliberative, and social modules. Grounded in modern neuroscience, those inner parts have interaction to generate saw, usually far-from-rational, person habit. whilst a number of brokers of this new style circulate and engage spatially, they jointly generate an impressive diversity of dynamics spanning the fields of social clash, psychology, public wellbeing and fitness, legislation, community technological know-how, and economics.
Epstein weaves a computational tapestry with threads from Plato, Hume, Darwin, Pavlov, Smith, Tolstoy, Marx, James, and Dostoevsky, between others. This transformative synthesis of social philosophy, cognitive neuroscience, and agent-based modeling will fascinate students and scholars of each stripe. Epstein's machine courses are supplied within the e-book or on its Princeton collage Press web site, in addition to videos of his "computational parables."
Agent_Zero is a sign departure in what it comprises (e.g., a brand new synthesis of neurally grounded inner modules), what it eschews (e.g., commonplace behavioral imitation), the phenomena it generates (from genocide to monetary panic), and the modeling arsenal it bargains the clinical community.
For generative social technological know-how, Agent_Zero provides a groundbreaking imaginative and prescient and the instruments to achieve it.
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Extra info for Agent zero : toward neurocognitive foundations for generative social science
63 Recognizing the model’s generality, let us focus on one of our social examples. The September 11, 2001, World Trade Center attacks were surprising and salient. One could argue that there were four primary conditioning trials, one for each tower plus one for the Pentagon attack and one for Pennsylvania flight 93. In fact, there were countless further exposures in the form of video replays of the aircraft impacts and subsequent collapse of towers, people leaping from buildings, terrified flight, and other images.
I do not enter into the debate regarding the brain’s modularity. To block any confusion, I typically use the term component when referring to model constituents. An obvious line of future research would be to swap-in alternative learning models for the Rescorla-Wagner model, such as temporal difference [Sutton and Barto (1981, p. 334), Pearce and Hall (1980), or more recent neural network models (Freeman and Skapura, 1991)]. I am not wedded to Rescorla-Wagner; I modify it in a number of ways and welcome other explorations, as discussed in the Future Research section.
57 This is discussed in more detail in Part III, in connection with lesion studies. 57 Mathematical Model _33 Theory of Conditioning There is a basic mathematical theory of the conditioning process that we shall adopt, recognizing that numerous refinements and extensions are possible. These are high-level—low-dimensional—equations developed in 1972 by Rescorla and Wagner. They do not represent the neural level at all. Their fidelity is explained by the contemporary neuroscience. They are analogous to the Kermack-McKendrick disease-transmission model (Kermack and McKendrick, 1927), which gives a very useful account of disease transmission through well-mixed populations without representing the microbiological interaction of pathogen and host immune systems, which, of course, explains transmission.
Agent zero : toward neurocognitive foundations for generative social science by Joshua M. Epstein