Objective(s): Cholecystokinin (CCK) has been proposed as a mediator in stress. However, it is still not fully documented what are its effects. We aimed to evaluate the effects of systemic administration of CCK exactly before induction of stress on spatial memory and synaptic plasticity at CA1 in rats. Materials and Methods: Male Wistar rats were divided into 4 groups: the control, the control-C...

Background & Objective:  Post traumatic stress disorder (PTSD) is an anxiety reaction, which occurs as a result of encountering a seriously traumatic event during one’s lifetime. The aim of this study was to evaluate the effect of saffron aqueous extract and crocin on spatial memory and learning with the Barnes maze in a PTSD model on male Wistar rats (Weighting 200–250 gr). Materials & Method...

spatial-temporal modeling of air pollutants, ground-level ozone concentrations in particular, has attracted recent attention because by using spatial-temporal modeling, can analyze, interpolate or predict ozone levels at any location. in this paper we consider daily averages of troposphere ozone over tehran city. for eliminating the trend of data, a dynamic linear model is used, then some featu...

The basis pursuit denoising refers to the solution of an 12 minimization formulation which is well known as an effective method for signal denoising. In this paper we investigate an p2 formulation with p ∈ (0, 1) for denoising. Based on an analysis of the discontinuity of the global minimizer of the p2 problem with respect to regularization parameter, we propose two smoothed p2 solvers for orth...

The MPEG bit-rate transcoder with motion compensation, MC-BRT, that exactly derives from a simplified synchronized decoder/encoder cascade, is considered. Such a transcoder is cost effective but lacks features such as spatial and temporal filtering. These features are known to improve the encoder performance at low bit-rates. Such features would be highly desirable in the MC-BRT since most appl...

a factorial experiment based on completely randomized design with three replications was carried out in order to study the effect of different strains of mesorhizobium ciceri on chickpea tolerance under drought stress. in the first step of experiment, five native cultivars of chickpea (bivanij, arman, greet, jam and hashem) were inoculated with eight native (c-15, c-22, swri7, swri9 and swri4) ...