Archivio per 18 aprile 2012

18
Apr
12

Workshop on “Cognitive Dynamics in Neural Systems: Mathematical and Computational Modeling”, Lyon, France, March 29-30

See on Scoop.itBounded Rationality and Beyond

Animals are proof that complete cognitive systems can be realized in neural substrates. It is thus natural that engineers from AI and machine learning have tried to design advanced cognitive systems on the basis of artificial neural networks. This has led to illuminating concepts and architectures in fields like computational linguistics, dynamic pattern recognition, autonomous agents, or evolutionary robotics. However, if one takes a close and critical look, one finds that nowhere do artificial systems close to biological levels of performance. One important cause for this gap is a lack of appropriate mathematical concepts. Biological neural systems are high-dimensional, nonlinear, heterogeneous, multiscale, nonstationary, stochastic, and heavily input-driven – a cocktail of properties which overwhelms current dynamical systems theory. Inasmuch as we do not possess mathematical models for such systems, we cannot understand them; and inasmuch as we do not understand, we cannot engineer. …

See on conas2012.elis.ugent.be

18
Apr
12

Can we have free will, if the brain’s actions are automatic? A scholar makes the case

See on Scoop.itBounded Rationality and Beyond

“Probably 99.999 percent of what goes on in the brain is automatic and unconscious. I have no idea what my next sentence will be, and sometimes I sound like it. (…) We think the other stuff, the ‘me,’ the ‘self,’ — we think that’s really important. We think there is somebody in charge —somebody pulling the levers. (…)

 

“The brain is automatic but people are free. You are responsible. Get over it.”

 

Free will is not a useful concept at the level of brain biology, to summarize Gazzaniga, because the biology is fixed. We cannot control our brains. It is at the level of interactions between people where concepts like responsibility and justice can be addressed. Gazzaniga compared the problem to an analysis of traffic, which cannot be achieved by studying individual cars. “Traffic only exists in the interaction,” he said.”

See on www.capitalnewyork.com




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