Dopaminergic modulation of the spectral characteristics in the rat brain oscillatory activity

Miguel Valencia, Jon López-Azcárate, María Jesús Nicolás, Manuel Alegre and Julio Artieda

Chaos, Solitons & Fractals, 2012, vol. 45, issue 5, 619-628

Abstract: Oscillatory activity can be widely recorded in the brain. It has been demonstrated to play an important role not only in the physiology of movement, perception and cognition, but also in the pathophysiology of a variety of diseases. In frequency domain, neurophysiological recordings show a power spectrum (PSD) following a log (PSD)∝log (f)−β, that reveals an intrinsic feature of many complex systems in nature: the presence of a scale-free dynamics characterized by a power-law component (PLC).

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:45:y:2012:i:5:p:619-628

DOI: 10.1016/j.chaos.2011.12.019

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