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1.
Stochastic resonance on excitable small-world networks via a pacemaker
Matjaž Perc, 2007, izvirni znanstveni članek

Opis: We show that the correlation between the frequency of subthreshold pacemaker activity and the response of an excitable array is resonantly dependent on the intensity of additive spatiotemporal noise. Thereby, the effect of the underlying network, defining the interactions among excitable units, largely depends on the coupling strength. Only for intermediate coupling strengths is the small world property able to enhance the stochastic resonance, whereas for smaller and larger couplings the impact of the transition from diffusive to random networks is less profound. Thus, the optimal interplay between a localized source of weak rhythmic activity and the response of the whole array demands a delicate balance between the strength of excitation transfer and the effectiveness of the network structure to support it.
Ključne besede: stochastic resonance, small-world networks, cardiology, neurophysiology, nonlinear dynamical systems, spatiotemporal phenomena
Objavljeno: 31.05.2012; Ogledov: 1013; Prenosov: 53
URL Povezava na celotno besedilo

2.
In brain we trust
Janez Bregant, 2012, pregledni znanstveni članek

Opis: The central question of Churchland’s book Braintrust1 is where do moral values come from? She answers it in terms of the latest research in neuroscience, evolutionary biology, experimental psychology, and genetics. By explaining and understanding our social practices via scientific research Churchland tries to provide a neurobiological platform for morality and thus illuminates the usually neglected account that moral properties are in some sense natural properties. She puts the results of the latest empirical experiments into the philosophical framework in such a way that it forms a foundation for our moral behaviour. The book is therefore about the biological approach to human morality. However, in what sense moral properties are (via social properties) natural (neurobiological) properties, as the naturalistic approach to the origins of human morality suggests, remains murky. To blame is presumably the resently limited powers of neurobiological explanations of social, and consequently, moral behaviour since the complex neural mechanisms of our brains are still not clear enough.
Ključne besede: morality, naturalism, naturalistic fallacy, neurophysiology, social life
Objavljeno: 02.08.2017; Ogledov: 318; Prenosov: 48
.pdf Celotno besedilo (271,55 KB)
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