After a presentation
of the Jiles-Atherton model, the neural network and the training procedure are described and the method is validated by using some numerical, as well as experimental, data. (C) 2011 American Institute of Physics. [doi:10.1063/1.3569735]“
“Telephone interviews have been used extensively as a tool to explore and assess sleep disorders and psychopathological conditions. The aim of this study was to set up and validate a telephone interview aimed at assessing the correlation A-1331852 between mood and sleep variables in adolescents. The study included 16-18 years subjects. A total of approximately 4,000 calls were made; 529 adolescents were finally enrolled. The questionnaire was divided into two parts: the first one focused on affective variables, the second one explored sleep variables. A factorial analysis was carried out to explore the structure of the questionnaire according to two factors: the first, which we labeled “”affective factor”", and the LBH589 price second, “”quality of sleep”". A positive correlation was found regarding the feeling of wellbeing on awakening. A negative correlation was found between feeling of wellbeing on awakening and daytime drowsiness. In
adolescence, increased daytime sleepiness seemed to correlate with worsening mood.”
“The current mediated domain-wall dynamics in a thin ferromagnetic wire is investigated. We derive the effective equations of motion of the domain wall. They are used to study the possibility to optimize the power supplied by electric current for the motion of domain walls in a nanowire. We show that a certain resonant time-dependent current moving a domain
wall can significantly reduce the Joule heating in the wire, and thus it can lead to a novel proposal for the most energy efficient memory devices. We discuss how Gilbert damping, nonadiabatic spin transfer torque, and the presence of Dzyaloshinskii-Moriya interaction can effect this power optimization. VC 2011 American Institute of Physics. [doi:10.1063/1.3554202]“
“In adult-onset multiple sclerosis (MS) cases, major depression, fatigue and psychological distress are common, whereas there is little information on these issues in children with the disease. The aim of this study was to assess psychosocial disorders in an learn more Italian cohort of children and adolescent with MS. We evaluated 56 patients through self-assessment scales of depression (Children Depression Inventory) and fatigue (Fatigue Severity Scale), a psychiatric interview [Kiddie-SADS-Present and Lifetime Version (K-SADS-PL)] and an interview on school and everyday activities. Significant fatigue was found in 11 patients (20%). Twelve of the 39 patients who underwent the K-SADS-PL received a formal diagnosis of an affective disorder. Moreover, MS affected school activities in 28% of cases, daily living activities in 41% and social relationships in 28%.