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Ivancevic_Applied-Diff-Geom

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1080 <strong>Applied</strong> <strong>Diff</strong>erential <strong>Geom</strong>etry: A Modern Introduction↓ Deterministic (causal) world of Human BODY↓Action : S[q n ] =∫ toutt in(E k − E p + W rk + Src ± ) dt− − − − − − − − − − −∫− − − − − − − −Amplitude : 〈out|in〉 = Σ D[w n q n ] e iS[qn ]↑Probabilistic (fuzzy) world of Human MIND ↑In the action integral, E k , E p , W rk and Src ± denote the kinetic end potentialenergies, work done by dissipative/driving forces and other energysources/sinks, respectively. In the amplitude integral, the peculiar sign∫Σ denotes integration along smooth paths and summation along discreteMarkov chains; i is the imaginary unit, w n are synaptic–like weights, whileD is the Feynman path differential (defined below) calculated along theconfiguration trajectories q n . The action S[q n ], through the least actionprinciple δS = 0, leads to all biodynamic equations considered so far (ingeneralized Lagrangian and Hamiltonian form). At the ∫same time, theaction S[q n ] figures in the exponent of the path integral Σ, defining theprobability transition amplitude 〈out|in〉. In this way, the whole body dynamicsis incorporated in the mind dynamics. This adaptive path integralrepresents an infinite–dimensional neural network, suggesting an infinitecapacity of human brain/mind.For a long time the cortical systems for language and actions were believedto be independent modules. However, according to the recent researchof [Pulvermüller (2005)], as these systems are reciprocally connectedwith each other, information about language and actions might interact indistributed neuronal assemblies. A critical case is that of action words thatare semantically related to different parts of the body (e.g. ‘pick’, ‘kick’,‘lick’,...). The author suggests that the comprehension of these words mightspecifically, rapidly and automatically activate the motor system in a somatotopicmanner, and that their comprehension rely on activity in theaction system.6.4.6.1 Motivational Cognition in the Life Space FoamApplications of nonlinear dynamical systems (NDS) theory in psychologyhave been encouraging, if not universally productive/effective [Met-

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