Results 231 to 240 of about 5,107,338 (277)

Scn1a‐mediated developmental regulation of prefrontal cortex plasticity and cognition

Epilepsia, EarlyView.
Abstract Objective The voltage‐gated sodium channel Nav1.1, encoded by Scn1a, is essential for γ‐aminobutyric acid (GABA)ergic function, and its alteration is associated with neurological disorders such as Dravet syndrome and Alzheimer's disease. We previously demonstrated that local Nav1.1 dysfunction in the medial prefrontal cortex (mPFC) during ...
Maurizio S. Riga, Mercedes Pérez‐Fernández, Yuniesky Andrade‐Talavera, Benito Domínguez‐Velasco, Antonio Rodríguez‐Moreno, Manuel Álvarez‐Dolado   +5 more
wiley   +1 more source

Predicting levetiracetam neuropsychiatric adverse effects using graph‐theoretical electroencephalographic network metrics in drug‐naive focal epilepsy: A multicenter longitudinal study

Epilepsia, EarlyView.
Abstract Objective Levetiracetam (LEV) is an antiseizure medication approved for focal and generalized epilepsy. Despite its efficacy, neuropsychiatric adverse effects (NP‐AEs) may lead to treatment discontinuation. Quantitative electroencephalographic (qEEG) graph‐theoretical analysis has emerged as a valuable tool for identifying neurophysiological ...
Marco Sferruzzi, Lorenzo Ricci, Margherita Anna Grazia Matarrese, Francesca Izzi, Fabio Placidi, Biagio Maria Sancetta, Emanuele Cerulli Irelli, Patrizia Pulitano, Vincenzo Di Lazzaro, Mario Tombini, Giovanni Assenza   +10 more
wiley   +1 more source

Finding My Path: Listening, Learning, and Leading in Rare Disease: The 2025 Hower Award

Annals of the Child Neurology Society, EarlyView.
Andrea Gropman
wiley   +1 more source

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Cognitive radio networks

IEEE Vehicular Technology Magazine, 2009
In this article, we are interested in an important paradigm of secondary systems known as cognitive radio (CR) networks where the secondary terminals are envisioned to be capable of sensing and reasoning about the operating radio environments and thereby autonomously adjusting their transceiver parameters to exploit the underutilized radio resources in
Xuemin Hong, Zengmao Chen, Cheng-Xiang Wang 0001, Sergiy A. Vorobyov, John S. Thompson   +4 more
openaire   +2 more sources

On cognitive processes in cognitive radio networks

Wireless Networks, 2013
In this article we model the cognitive processes and evaluate their impact on the performance of cognitive radio networks (CRN). Operation of the cognitive radio nodes, can be characterized by two types of processes: communication processes such as packets transmission, and cognitive processes such as estimation of the network state and decision-making
Boris Oklander, Moshe Sidi
openaire   +2 more sources

Cognitive radio network management

IEEE Vehicular Technology Magazine, 2008
The regulatory agencies have been pushed by the increasing demand for wireless ubiquitous connectivity to be ever more aggressive in providing innovative ways to use spectra efficiently. Driven by these new opportunities, the future radio systems should look for the optimized architecture, circuit, and algorithm as a whole. In this article, it has been
Cheng-Xiang Wang 0001, Hsiao-Hwa Chen, Xuemin Hong, Mohsen Guizani   +3 more
openaire   +1 more source

Cooperation in Cognitive Radio Networks

2014 Brazilian Symposium on Computer Networks and Distributed Systems, 2014
The operation of cognitive radio (CR) networks involves opportunistic access to the spectrum licensed to primary users (PUs) by secondary users (SUs). Traditionally, this access is performed in such a way that the PUs suffer minimal interference to their access to the spectrum, trying to make the SUs as transparent as possible to PUs.
Pedro Smith Coutinho, José Ferreira de Rezende, Valmir Carneiro Barbosa   +2 more
openaire   +2 more sources

Cognitive Radio Network Tomography

IEEE Transactions on Vehicular Technology, 2010
The cognitive radio network (CRN), as a promising technique in future wireless communication networks, shall execute some critical functionalities to enhance existing wireless networks, such as network reconfigurability to adaptively select networks (e.g., in IEEE P1900.4 and ETSI-RSS), spectrum opportunity utilization for transmissions over ...
Chung-Kai Yu, Kwang-Cheng Chen, Shin-Ming Cheng   +2 more
openaire   +1 more source

Securing cognitive radio networks

International Journal of Communication Systems, 2010
AbstractCognitive radio is a promising technology aiming to improve the utilization of the radio electromagnetic spectrum. A cognitive radio device uses general purpose computer processors that run radio applications software to perform signal processing.
León Abarca, Olga, Hernández Serrano, Juan, Soriano Ibáñez, Miguel   +2 more
openaire   +3 more sources

Convergence of cognitive radio networks

2004 IEEE Wireless Communications and Networking Conference (IEEE Cat. No.04TH8733), 2004
In this paper, we examine the conditions and behavior of several common convergence dynamics from game theory and show how they influence the structure of networks of cognitive radios. We then apply these to previously proposed distributed power control algorithms and describe how they impact network complexity.
James O. Neel, Jeffrey H. Reed, Robert P. Gilles   +2 more
openaire   +2 more sources