Full Text Journal Articles by
Author Fernando E Rosas

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High-Order Interdependencies in the Aging Brain.

Marilyn Gatica, Rodrigo Cofré, Pedro A M Mediano, Fernando E Rosas, Patricio Orio, Ibai Diez, Stephan P Swinnen, Jesus M Cortes,

<b><i>Background:</i></b> Brain interdependencies can be studied from either a structural/anatomical perspective ("structural connectivity") or by considering statistical interdependencies ("functional connectivity" [FC]). Interestingly, while structural connectivity is by definition pairwise (white-matter fibers project from one region to another), FC is not. However, most FC analyses only focus on pairwise statistics and ... Read more >>

Brain Connect (Brain connectivity)
[2021, :]

Cited: 0 times

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A Complex Systems Perspective on Neuroimaging Studies of Behavior and Its Disorders.

Federico E Turkheimer, Fernando E Rosas, Ottavia Dipasquale, Daniel Martins, Erik D Fagerholm, Paul Expert, František Váša, Louis-David Lord, Robert Leech,

The study of complex systems deals with emergent behavior that arises as a result of nonlinear spatiotemporal interactions between a large number of components both within the system, as well as between the system and its environment. There is a strong case to be made that neural systems as well ... Read more >>

Neuroscientist (The Neuroscientist : a review journal bringing neurobiology, neurology and psychiatry)
[2021, :1073858421994784]

Cited: 1 time

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Playing With Fear: A Field Study in Recreational Horror.

Marc Malmdorf Andersen, Uffe Schjoedt, Henry Price, Fernando E Rosas, Coltan Scrivner, Mathias Clasen,

Haunted attractions are illustrative examples of recreational fear in which people voluntarily seek out frightening experiences in pursuit of enjoyment. We present findings from a field study at a haunted-house attraction where visitors between the ages of 12 and 57 years (<i>N</i> = 110) were equipped with heart rate monitors, ... Read more >>

Psychol Sci (Psychological science)
[2020, 31(12):1497-1510]

Cited: 0 times

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A mechanistic model of the neural entropy increase elicited by psychedelic drugs.

Rubén Herzog, Pedro A M Mediano, Fernando E Rosas, Robin Carhart-Harris, Yonatan Sanz Perl, Enzo Tagliazucchi, Rodrigo Cofre,

Psychedelic drugs, including lysergic acid diethylamide and other agonists of the serotonin 2A receptor (5HT2A-R), induce drastic changes in subjective experience, and provide a unique opportunity to study the neurobiological basis of consciousness. One of the most notable neurophysiological signatures of psychedelics, increased entropy in spontaneous neural activity, is thought ... Read more >>

Sci Rep (Scientific reports)
[2020, 10(1):17725]

Cited: 2 times

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Whole-Brain Models to Explore Altered States of Consciousness from the Bottom Up.

Rodrigo Cofré, Rubén Herzog, Pedro A M Mediano, Juan Piccinini, Fernando E Rosas, Yonatan Sanz Perl, Enzo Tagliazucchi,

The scope of human consciousness includes states departing from what most of us experience as ordinary wakefulness. These <i>altered states of consciousness</i> constitute a prime opportunity to study how global changes in brain activity relate to different varieties of subjective experience. We consider the problem of explaining how global signatures ... Read more >>

Brain Sci (Brain sciences)
[2020, 10(9):]

Cited: 2 times

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Quantifying high-order interdependencies via multivariate extensions of the mutual information.

Fernando E Rosas, Pedro A M Mediano, Michael Gastpar, Henrik J Jensen,

This paper introduces a model-agnostic approach to study statistical synergy, a form of emergence in which patterns at large scales are not traceable from lower scales. Our framework leverages various multivariate extensions of Shannon's mutual information, and introduces the O-information as a metric that is capable of characterizing synergy- and ... Read more >>

Phys Rev E (Physical review. E)
[2019, 100(3-1):032305]

Cited: 8 times

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