The Bäcklund transformation for the three-level Maxwell-Bloch equation is presented in the matrix potential formalism. By applying the Bäcklund transformation to a constant electric field background, we obtain a general solution for matched pulses (a pair of solitary waves) which can emit or absorb a light velocity solitary pulse but otherwise propagate with their shapes invariant. In the speci...

Background From the public health perspective, it is particularly important to establish links between a persons' perception of their own and predispositions undertake pro-health behaviours that enable them maintain proper functioning body. In case paediatric population, crucial emphasise adults are responsible for adoption development appropriate health-enhancing by children. The aim this stud...

Answers to the question "What are human emotions for?" have stimulated highly productive programs of research on emotional phenomena in psychology and neuroscience in the past decade. Although a variety of functions have been proposed and examined at different levels of abstraction, what is undeniable is that when emotional processing is compromised, most things social go awry. In this review w...

Embodied virtual reality faithfully renders users’ movements onto an avatar in a virtual 3D environment, supporting nuanced nonverbal behavior alongside verbal communication. To investigate communication behavior within this medium, we had 30 dyads complete two tasks using a shared visual workspace: negotiating an apartment layout and placing model furniture on an apartment floor plan. Dyads co...

AIMS AND OBJECTIVES This randomised controlled trial was conducted to estimate the cost-effectiveness of a nurse-led education and psychosocial support programme for patients with heart failure (HF) and their partners. BACKGROUND There are few studies evaluating cost-effectiveness of interventions among HF patient-partner dyads. METHODS Dyads randomised to the experimental group received nu...

BACKGROUND Psychiatric disorders and use of selective antidepressants during pregnancy can have negative effects on mother and infant postpartum. This study aimed to provide evidence-based recommendations on observation of antidepressant-exposed mother-infant dyads. METHODS In this observational study, mother-infant dyads were observed for possible consequences of either the maternal psychiat...

An extended version of the Common Fate Model (CFM) is presented to estimate and test mediation in dyadic data. The model can be used for distinguishable dyad members (e.g., heterosexual couples) or indistinguishable dyad members (e.g., homosexual couples) if (a) the variables measure characteristics of the dyadic relationship or shared external influences that affect both partners; if (b) the c...

Social status and social capital frameworks are used to derive competing hypotheses about the emergence and structure of advice relations in organizations. Although both approaches build on a social exchange framework, they differ in their behavioral micro-foundations. From a status perspective, advice giving is a means to generate prestige, whereas asking advice decreases one’s relative standi...