Associative learning neural networks

The dynamics of active categorical perception in an evolved model agent
(a) The neural network

Notions of embodiment, situatedness, and dynamics are increasingly being debated in cognitive science. However, these debates are often carried out in the absence of concrete examples. In order to build intuition, this paper explores a model agent to illustrate how the perspective and tools of dynamical systems theory can be applied to the analysis of situated, embodied agents capable of minimally cognitive behavior. Specifically, we study a model agent whose “nervous system” was evolved using a genetic algorithm to catch circular objects and to avoid diamond-shaped ones. After characterizing the performance, behavioral strategy and psychophysics of the best-evolved agent, its dynamics are analyzed in some detail at three different levels: (1) the entire coupled brain/body/environment system; (2) the interaction between agent and environment that generates the observed coupled dynamics; (3) the underlying neuronal properties responsible for the agent dynamics. This analysis offers both explanatory insight and testable predictions. The paper concludes with discussions of the overall picture that emerges from this analysis, the challenges this picture poses to traditional notions of representation, and the utility of a research methodology involving the analysis of simpler idealized models of complete brain/body/environment systems.

Source: Minimal Cognition

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Thinking of S Korea as a ESL Instructor

2008-12-31 16:56:22 by Sergeant1989

With the job market being in the dump here in Virginia as well as the rest of the nation I am considering the possibility of teaching in SK. I do hold a BA degree and have done my share of substitute teaching in some local public schools. What I need to know if this is a job that is worth pursuing. Also with the current exchange rate being so skewed between the USD and the KRW would it be better to negotiate a contract in US currency or just have the base salary increased if they will only pay in the local currency?
please respond to my email

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2008-01-08 06:30:59 by god_is_not_home

...finally ousted the dollar
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2008-05-29 17:07:56 by a-primer

Israeli President Moshe Katsav was forced to resign in June 2007 under a cloud of rape, sexual harassment and other charges.
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• Olmert ally Haim Ramon was convicted in March 2007 of forcibly kissing a female soldier. After a light sentence, Ramon returned to Olmert's Cabinet as vice premier.
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