نتایج جستجو برای: area oscillations

تعداد نتایج: 630163  

Journal: :Handbook of clinical neurology 2015
David Poeppel Gregory Hickok

Auditory processing is remarkably fast and sensitive to the precise temporal structure of acoustic signals over a range of scales, from submillisecond phenomena such as localization to the construction of elementary auditory attributes at tens of milliseconds to basic properties of speech and music at hundreds of milliseconds. In light of the rapid (and often transitory) nature of auditory phen...

2012
Jonathan E. Peelle Matthew H. Davis

A key feature of speech is the quasi-regular rhythmic information contained in its slow amplitude modulations. In this article we review the information conveyed by speech rhythm, and the role of ongoing brain oscillations in listeners' processing of this content. Our starting point is the fact that speech is inherently temporal, and that rhythmic information conveyed by the amplitude envelope ...

2017
Stefano Gallotto Alexander T. Sack Teresa Schuhmann Tom A. de Graaf

Conscious experiences are linked to activity in our brain: the neural correlates of consciousness (NCC). Empirical research on these NCCs covers a wide range of brain activity signals, measures, and methodologies. In this paper, we focus on spontaneous brain oscillations; rhythmic fluctuations of neuronal (population) activity which can be characterized by a range of parameters, such as frequen...

2016
Wei Nian Li Weihong Sheng

In this paper, we study the oscillation of nonlinear fractional nabla difference equations of the form [Formula: see text]where c and α are constants, [Formula: see text] is the Riemann-Liouville fractional nabla difference operator of order [Formula: see text] is a real number, and [Formula: see text]. Some sufficient conditions for oscillation are established.

2016
Rui Wang Qiqiang Li

We consider a class of second-order Emden-Fowler equations with positive and nonpositve neutral coefficients. By using the Riccati transformation and inequalities, several oscillation and asymptotic results are established. Some examples are given to illustrate the main results.

2013
Said R. Grace

We present some new criteria for the oscillation of even order dynamic equation[Formula: see text]on time scale T, where α is the ratio of positive odd integers a and q is a real valued positive rd-continuous functions defined on T.

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2015
Federica Mauro Antonino Raffone Rufin VanRullen

Like hallucinogenic drugs, full-field flickering visual stimulation produces regular, geometric hallucinations such as radial or spiral patterns. Computational and theoretical models have revealed that the geometry of these hallucinations can be related to functional neuro-anatomy. However, while experimental evidence links both visual flicker and hallucinogenic drugs to upward and downward mod...

2016
Ole Jensen Eelke Spaak Hyojin Park

Recently there has been a strong interest in cross-frequency coupling, the interaction between neuronal oscillations in different frequency bands. In particular, measures quantifying the coupling between the phase of slow oscillations and the amplitude of fast oscillations have been applied to a wide range of data recorded from animals and humans. Some of the measures applied to detect phase-am...

2016
Cheng Liu Guowei Cai Deyou Yang Zhenglong Sun Mingna Zhang

Abstract: The online identification of power system dominated inter-area oscillations interface based on the incremental energy function method is proposed in this paper. The dominant inter-area oscillations interface can be obtained by calculating branch oscillation potential energy, which is tie-line concentrated by oscillations energy. To get the oscillation energy caused by the different me...

Abdolmajid Naderi beni, Hamid Alizadeh-Lahijani, Majid Pourkerman, Mortza Djamali, Nick Marriner, Rahman Jokar, Reza Mousavi Harami, Valerie Andrieu-Ponel,

Caspian Sea is the largest land locked water body in the world and has been characterized by significant relative sea-level changes since the Pliocene. The sea-level oscillations have strongly impacted the coastal areas depending on geomorphological setting. This study aims to investigate the impacts of sea level oscillations on low-lying coasts of the southeastern flank of the Caspian Sea...

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