1,721,235 research outputs found

    PARENTING AND SUBSTANCE ABUSE DISORDER: IMPLICATIONS OF LOSSES AND ALEXITHYMIA ON MATERNAL SENSITIVITY

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    Parental Substance Use Disorder (SUD) represents a complex clinical condition associated with psychosocial and emotional risk factors that could affect parenting and child development. Individuals with SUD usually report past histories characterized by traumatic experiences and significant losses. Moreover, they often present higher rates of alexithymic traits, which could worsen their clinical condition. Despite this empirical evidence, no prior studies examined how alexithymia could moderate the link between past adverse experiences and observed parenting behaviors in the context of SUD. The present study aimed to investigate the associations between the presence of past losses, alexithymia, and observed emotional availability in the context of maternal SUD. Thirty-two mothers (M age=29.25 yrs, SD=6.69) with Substance Use Disorder (SUD), enrolled in a residential rehabilitative community program, participate into the study with their children. Participants have been tested on clinical history of SUD, with respect to alexithymia (TAS-20). Parenting behaviors were assessed during free-play mother-child interactions (EA-Scales). Regression analysis highlighted a significant effect of alexithymia on maternal sensitivity. More specifically, a significant interaction between early experiences of parental loss and alexithymic traits was found, showing that parental losses worsen the effect of difficulties in becoming aware of someone’s own emotions on maternal sensitivity. In particular, in the presence of an history of mournful experiences, maternal sensitivity appears to be less dependent on alexithymia, while when loss is not experienced a good ability in becoming aware of own feelings enables the parents to be more sensitive. In the context of SUD significant life events should be taken into account when considering the impact psychological variables on parenting. Clinical implications for parenting-focused interventions for SUD mothers are discussed

    Facilitation in reaction systems

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    Reaction systems is a formal model of computation which originated as a model of interactions between biochemical reactions in the living cell. These interactions are based on two mechanisms, facilitation and inhibition, and this is well reflected in the formulation of reaction systems. In this paper, we investigate the facilitation aspect of reaction systems, where the products of a reaction may facilitate other reactions by providing some of their reactants. This aspect is formalized through positive dependency graphs which depict explicitly such facilitating interactions. The focus of the paper is on demonstrating how structural properties of reaction systems defined through the properties of their positive dependency graphs influence the behavioural properties of (suitable subclasses of) reaction systems, which, as usual, are defined through their transition graphs

    Intrauterine intussusception as a cause of ileal atresia occurring late during pregnancy

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    A case of intrauterine intussusception causing ileal atresia is reported. The sonographic diagnosis of intestinal obstruction at the 30th week of gestation suggests that intrauterine intussusception is a cause of ileal atresia occurs late in the course of pregnancy

    Vascular complications during laparoscopy. An analysis of a personal case

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    Vascular complications of laparoscopy most often occur during Veress needle or primary trocar placement. Veress needle punctures are insignificant and require no further treatment, whereas trocar induced vascular injuries can be catastrophic. The frequency of vascular or viscus injuries is difficult to calculate since several complications are not published. A vascular complication occurred in a young girl with neurologic problems and a kyphoscoliosis operated on in laparoscopy for a gastroesophageal reflux is discussed. After the establishment of pneumoperitoneum, an important hemoperitoneum was rapidly evident at insertion of the laparoscope. An open laparotomy was performed showing right common iliac vessel injuries and several intestinal perforations. After a complex vascular reconstruction and a multiple intestinal suture, the Nissen fundoplication with pyloroplasty was performed traditionally and the patient leave the hospital free of symptoms after 20 days. In laparoscopy, as in all areas of surgery, experience knowledge and meticulous attention to details are the most important factors in order to avoid complications. The authors believe that the open approach with Hasson cannula is the most important factor in avoiding complications

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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