This paper is the 28th consecutive installment of the annual review of research concerning
the endogenous opioid system, now spanning over a quarter-century of research. It …

A basic tenet in the realm of modern behavioral sciences is that behavior consists of patterns
in time. For this reason, investigations of behavior deal with sequences that are not easily …

I am delighted to write the preface to this publication, which marks another step in the long
and diligent scientific career of a group of investigators who have spent decades studying …

The objective of this review is to consider the psychological (largely behavioral) and
biological [neurochemical, medical (including genetic), and pharmacological] theories and …

Anxiety disorders pose a significant challenge in contemporary society, and their impact in
terms of social and economic burden is overwhelming. Behavioral research conducted on …

Contextual factors are crucial for evaluative research in psychology, as they provide insights
into what works, for whom, in what circumstances, in what respects, and why. Studying …

Self-injurious behavior (SIB) by individuals with intellectual and developmental disabilities
including autism (I/DD) is among the most clinically disturbing, socially costly, and …

The term “structure” indicates a set of components that, in relation to each other, shape an
organic complex. Such a complex takes on essential connotations of functionally unitary …

Aim of the research was to evaluate, by means of quantitative and multivariate temporal
pattern analyses, the behavior of Wistar rat in elevated plus maze (EPM) test. On the basis of …

Objective Self-injurious behavior presents a significant challenge in autism, and first-line
psychopharmacological and behavioral interventions have limited efficacy in some patients …