Maternal separation (MS) is an animal model mimicking the effects of early life stress on the development of emotional and social behaviors. Recent studies revealed that MS stress increased social anxiety levels in female mice and reduced peri-pubertal aggression in male mice. Estrogen receptor (ER) β plays a pivotal role in the regulation of stress responses and anxiety-related and social beha...

OBJECTIVE To examine the incidence of headache symptoms consistent with migraine and tension-type headache (TTH) in children with anxiety disorders. METHOD Parents of children with anxiety disorders (n=27) and children without anxiety disorders (n=36) completed a headache questionnaire based on the International Classification of Headache Disorders (2nd edition) criteria. RESULTS Children w...

BACKGROUND The differentiation hypothesis posits that the underlying liability distribution for psychopathology is of low dimensionality in young children, inflating diagnostic comorbidity rates, but increases in dimensionality with age as latent syndromes become less correlated. This hypothesis has not been adequately tested with longitudinal psychiatric symptom data. METHODS Confirmatory fa...

Separation Anxiety Disorder (SAD) is currently the most prevalent, yet most under-researched anxiety disorder in childhood. To date, there have been few studies investigating the efficacy of interventions for young children with SAD. The primary purpose of this paper is to describe the process of tailoring Parent Child Interaction Therapy (PCIT) for young children aged 4-8 with SAD. The paper p...

In this paper, we propose a method for solving the permutation problem of frequency domain blind source separation (BSS) when the number of source signals is large, and the potential source locations are omnidirectional. Geometric information such as direction of arrival is helpful for solving the permutation problem, but the information becomes more uncertain as the number of source signals in...

The behavior of the classic algorithm for blind source separation (BSS) is detailed for a fixed step size. To improve the algorithm in speed and exactness, essential in tracking a time-varying mixing environment, a variable step size must be employed. The ideal step size should decrease or increase as the overall system error decreases or increases. It is shown analytically that the coefficient...

The non-destructive evaluation of the rail is crucial to provide a high safety level in railway transportation. To detect and classify on line rail surface defects (splitted rail, shelling ...), a specific double-coils double-frequencies eddy current sensor is used, which gives 8 real differential signals. Blind Source Separation (BSS) is applied to dissociate the different classes of defects o...

Blind Source Separation (BSS) is often carried out under the assumption that sources are statistically mutually independent, at least in the sense of cumulants of given order. However, this assumption is not mandatory, and can be replaced by some assumption on the source distribution, even if all sources are identically distributed. Contrast functions are optimization criteria that satisfy some...

This paper addresses the problem of blind source separation (BSS). To recover original signals, from linear instantaneous mixtures, we propose a new contrast function based on the use of a double referenced system. Our approach assumes statistical independence sources. The reference vectors will be incrusted in the cumulant to evaluate the independence. The estimation of the separating matrix w...