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Complex localization mechanisms in networks of coupled oscillators: Two case studies

Author(s): Nicolaou ZG; Bramburger JJ;

Localized phenomena abound in nature and throughout the physical sciences. Some universal mechanisms for localization have been characterized, such as in the snaking bifurcations of localized steady states in pattern-forming partial differential equations. While much of this understanding has been targeted at steady states, recent studies have noted compl ...

Article GUID: 38252783


Machine Learning-Assisted Short-Wave InfraRed (SWIR) Techniques for Biomedical Applications: Towards Personalized Medicine

Author(s): Salimi M; Roshanfar M; Tabatabaei N; Mosadegh B;

Personalized medicine transforms healthcare by adapting interventions to individuals' unique genetic, molecular, and clinical profiles. To maximize diagnostic and/or therapeutic efficacy, personalized medicine requires advanced imaging devices and sensors for accurate assessment and monitoring of individual patient conditions or responses to therapeut ...

Article GUID: 38248734


Parent and Youth Athlete Perceptions of Concussion Injury: Establishing a Factor Structure

Author(s): Bretzin AC; Schmitt AJ; Teel E; Holmes JH; Wiebe DJ; Beidler E;

Objective: The first objective was to establish the respective factor structures of a concussion perceptions inventory that was adapted for youth athletes (ages 8-14 years) and their parents from the Perceptions of Concussion Inventory for Athletes. The second objective was to understand the associations between the concussion perceptions of youth athlete ...

Article GUID: 38244578


Investigating the flexural behavior of nanomodified multi-delaminated composites using acoustic emission technique

Author(s): Alimirzaei S; Barbaz-Isfahani R; Khodaei A; Najafabadi MA; Sadighi M;

The formation of multiple delaminations is a frequently observed damage mechanism in composite materials, exerting a more pronounced influence on their strength properties compared to single delaminations. To tackle this issue, the incorporation of nanoparticles has been investigated as a means to enhance composite materials. This study aims to examine th ...

Article GUID: 38241972


On the soft tissue ultrasound elastography using FEM based inversion approach

Author(s): Eshaghinia SS; Taghvaeipour A; Aghdam MM; Rivaz H;

Elastography is a medical imaging modality that enables visualization of tissue stiffness. It involves quasi-static or harmonic mechanical stimulation of the tissue to generate a displacement field which is used as input in an inversion algorithm to reconstruct tissue elastic modulus. This paper considers quasi-static stimulation and presents a novel inve ...

Article GUID: 38240143


An Anatomically Shaped Mitral Valve for Hemodynamic Testing

Author(s): Darwish A; Papolla C; Rieu R; Kadem L;

In vitro modeling of the left heart relies on accurately replicating the physiological conditions of the native heart. The targeted physiological conditions include the complex fluid dynamics coming along with the opening and closing of the aortic and mitral valves. As the mitral valve possess a highly sophisticated apparatus, thence, accurately modeling ...

Article GUID: 38228812


Verbal and nonverbal disagreement in an ELF academic discussion task

Author(s): Liu C; McDonough K; Trofimovich P; Uludag P;

Recent English as a Lingua Franca (ELF) studies have examined the linguistic features of disagreements during interactive academic tasks and casual conversations. Fewer studies, however, have explored nonverbal cues of disagreement, and even less is known about how interlocutors perceive disagreements. Therefore, using data from a corpus of ELF interactio ...

Article GUID: 38221977


Thresholding approaches for estimating paraspinal muscle fat infiltration using T1- and T2-weighted MRI: Comparative analysis using water-fat MRI

Author(s): Ornowski J; Dziesinski L; Hess M; Krug R; Fortin M; Torres-Espin A; Majumdar S; Pedoia V; Bonnheim NB; Bailey JF;

Background: Paraspinal muscle fat infiltration is associated with spinal degeneration and low back pain, however, quantifying muscle fat using clinical magnetic resonance imaging (MRI) techniques continues to be a challenge. Advanced MRI techniques, including chemical-shift encoding (CSE) based w ...

Article GUID: 38222819


Mesocorticolimbic function in cocaine polydrug users: A multimodal study of drug cue reactivity and cognitive regulation

Author(s): Scala SG; Kang MS; Cox SML; Rosa-Neto P; Massarweh G; Leyton M;

Addictions are thought to be fostered by the emergence of poorly regulated mesocorticolimbic responses to drug-related cues. The development and persistence of these responses might be promoted by altered glutamate transmission, including changes to type 5 metabotropic glutamate receptors (mGluR5s). Unknown, however, is when these changes arise and whethe ...

Article GUID: 38221806


Subharmonic resonance of phospholipid coated ultrasound contrast agent microbubbles

Author(s): Yusefi H; Helfield B;

Phospholipid encapsulated ultrasound contrast agents have proven to be a powerful addition in diagnostic imaging and show emerging applications in targeted therapy due to their resonant and nonlinear scattering. Microbubble response is affected by their intrinsic (e.g. bubble size, encapsulation physics) and extrinsic (e.g. boundaries) factors. One of the ...

Article GUID: 38217906


Consistency of electrical source imaging in presurgical evaluation of epilepsy across different vigilance states

Author(s): Avigdor T; Abdallah C; Afnan J; Cai Z; Rammal S; Grova C; Frauscher B;

Objective: The use of electrical source imaging (ESI) in assessing the source of interictal epileptic discharges (IEDs) is gaining increasing popularity in presurgical work-up of patients with drug-resistant focal epilepsy. While vigilance affects the ability to locate IEDs and identify the epileptogenic zone, we know little about its impact on ESI. Meth ...

Article GUID: 38217279


Trans-regulatory variant network contributes to missing heritability

Author(s): Pereira V; Kuzmin E;

In a recent Cell Genomics article, Tsouris et al.1 analyze the transcriptomes of a large diallel panel of hybrids from Saccharomyces cerevisiae natural isolates to study cis- and trans-regulatory changes underlying gene expression variation. Vanessa Pereira and Elena Kuzmin discuss the authors' findings and the wider context in missing heritability re ...

Article GUID: 38216282


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