Dissociation, psychopathology, and abusive experiences in a nonclinical Latino university student group

A variety of clinical and experimental data suggest that many individuals who report abusive and traumatic experiences also report a wide array of dissociative and other psychopathological symptoms. In this study, 198 Puerto Rican undergraduate students participated in a study to examine the possible relationship between different types of traumatic experiences and the self-report of dissociative experiences, depressive symptoms, and general psychopathology. Another aspect of this study was the examination of the psychometric properties of the Dissociative Experiences Scale (DES) in a Latino sample. Results supported the hypothesis that those individuals who reported frequent and severe traumatic experiences were also the most likely to experience psychological malaise and scored higher on the DES. Of interest was the finding that the psychometric characteristics of the DES are consistent with those reported in the United States and other countries. The authors conclude that individuals with a marked history of trauma and abuse are more likely to use dissociative defenses as a coping response.     

Sexuality and Exercise Motivations: Are Gay Men and Heterosexual Women Most Likely to be Motivated by Concern About Weight and Appearance?

This study was designed to investigate the relationship between sexuality and exercise motivations in 93 British bar staff. Participants who self-identified as heterosexual, gay, or lesbian completed the revised version of the Exercise Motivations Inventory and reported exercise frequency. Heterosexual men scored lower on appearance motives than did heterosexual women and gay men, higher on enjoyment motives than did gay men, and higher on competition motives than did women and gay men. Men were significantly less likely than women to be motivated by weight management. Heterosexual men also reported exercising significantly more frequently than the other three groups. Suggestions for targeted exercise promotion initiatives are discussed.     

Qualitative differences between implicit and explicit sequence learning

Four experiments investigate the differences between implicit and explicit sequence learning concerning their resilience to structural and superficial task changes. A superficial change that embedded the SRT task in the context of a selection task, while maintaining the sequence, did selectively hinder the expression of implicit learning. In contrast, a manipulation that maintained the task surface, but decreased the sequence validity, affected the expression of learning specifically when it was explicit. These results are discussed in the context of a dynamic framework (Cleeremans & Jiménez, 2002), which assumes that implicit knowledge is specially affected by contextual factors and that, as knowledge becomes explicit, it allows for the development of relevant metaknowledge that modulates the expression of explicit knowledge.     

Patterns and personality disorders in persons with cocaine dependence in treatment

The aim of the present study is to determine patterns and personality disorder in subjects under cocaine dependence treatment using MCMI-II, and their relationship with sociodemographic variables and consumption characteristics. We assess 102 subjects under cocaine dependence treatment in Drug Abuse Centers in Galicia (Spain). The results indicate that the most prevalent basic scales of personality are the passive-aggressive, antisocial, narcisism and histrionic. Borderline and paranoid scales are the most prevalent with regard to the pathological personality scales. These results coincide with other international and national studies. We conclude pointing out the necessity to carry out studies with wider cocaine dependence samples in treatment, and the specific inclusion criteria should be established in the study. We also indicate the importance of carrying out a previous assessment of all demanding treatment subjects to design the objectives of the mentioned treatment.     

Self-concept in adults from Spain and Portugal

The aim of this work is to confirm the penta-factorial validity of the AF5 Self-Concept Questionnaire in Spanish and Portuguese adults. From the responses of a total of 2058 adults (1508 Spanish, 73.3%, and 550 Portuguese, 26.7%) was analyzed the reliability of the instrument, was compared the validity of the 5 oblique factor model proposed by the authors versus unifactorial and the orthogonal alternative models, and was studied the invariance of the Portuguese translation. The results of structural equation modeling supported the authors' penta-factorial model. The multi-group factorial invariance showed that Portuguese translation of the AF5 does not change neither the original factor weights, nor the variances and covariances of the factors. Finally, the reliability was good for the original Spanish version and Portuguese translation.     

Amitriptyline administered after consolidation of inhibitory avoidance does not affect memory retrieval

In Experiment 1, the effect of the administration of the antidepressant amitriptyline (30 mg/kg) for 21 days on the acquisition and consolidation of the inhibitory avoidance task was studied in male and female mice. In Experiment 2, it was evaluated whether amitriptyline administered after the consolidation of this task would block the memory retrieval. Anxiety and spontaneous activity in the elevated plus maze were also assessed. When amitriptyline was given before the training phase of inhibitory avoidance it blocked learning in males and there was a tendency in the same direction in females. However, the drug administered between training and test phases did not affect conditioning. These effects of amitriptyline seem to be independent of its actions on anxiety and locomotor activity. It may be that the effects observed are related to the therapeutic effects of antidepressants.     

Sexual attraction: its dimensionality

The purpose of this research was to develop a new Sexual Attraction Questionnaire (SAQ) [Cuestionario de Atracción Sexual, CAS]. The goal was to determine whether sexual attraction could be represented as two different clusters (Attraction to men and Attraction to women), which would imply two negatively correlated factors or a bipolar one. Three studies were carried out with 182, 118, and 425 participants, respectively. Cluster and exploratory factor analyses were performed. The results obtained show satisfactory psychometric properties for the SAQ, the two clusters, and the two predicted negatively related factors or the bipolar factor. Results are discussed in the context of the different conceptions of sexual attraction and the fourfold typology: attracted to both sexes, to men, to women, or to neither sex.     

Family and school violence: the mediator role of self-esteem and attitudes towards institutional authority

This study analyses the influence of family communication and parental valuation of school on adolescent violent behaviour at school. By means of a structural equation model, both its direct and indirect influence through school and family self-esteem of the adolescent and his attitude towards school authority are analysed. The sample is composed of 665 adolescents whose ages range from 12 to 16 years old. The results confirm the existence of an indirect relationship but not direct influence of the family on school violence. The attitude of the adolescent towards school authority is the mediator variable which shows the strongest direct effect on school violence. Also, the two dimensions of self-esteem considered are significant intermediate variables. These results and their implications are analysed.     

When is the infrahumanization to a threatening outgroup higher? Effects of the ambiguity of situation and the empathy with ingroup

Infrahumanization researchs have shown that people attribute their ingroup exclusively human features, for example, the ability to experience secondary emotions. This bias lead people to deny this ability to outgroup and, consequently, to infrahumanize them. However, it would have conditions in which the infrahumanization is intensified. The aim of this study is to determine if there are characteristics in a threatening situation that influence in the level in which ingroup infrahumanize the outgroup. Two histories were constructed; in them, the outgroup committed a violent action against the ingroup, and as the degree of certainty about the perpetration, so the level of empathy with the victim were manipulated. The results show that when there are empathy with the victim and ambiguity about the perpetration, the infrahumanization to outgroup is higher.     

Relationship between dispositional optimism/pessimism and stress coping strategies

Recent studies confirm that dispositional pessimism is related with a worse state of physical health, in comparison with dispositional optimism . The efficacy of stress coping strategies has been considered as a mediating mechanism in this relationship. The aim of the present study is to analyze in a sample of university students (n = 200) the association between dispositional optimism/pessimism and different categories of self-reported somatic symptoms , and evaluate the possible mediation of the stress coping strategies in this relationship. The results indicate that: 1) pessimism is positively related with the report of physical symptoms, whereas optimism is negatively associated to somatic complaints; and 2) this relationship can be mainly explained by the differential utilization of the coping strategy denominated self-criticism (characteristic of pessimism).