Static and dynamical ageing processes at room temperature in a Fe25Ni0.4C virgin martensite: effect of C redistribution at the nanoscale

The work-hardening behaviour of virgin martensitic steel has been investigated in a strictly un-aged state and after various ageing conditions. At room temperature (RT), the un-aged alloy shows astonishing tensile performances (ultimate tensile stress?=?1600?MPa/uniform elongation?=?15%) but unexpected serrations. These serrations can be suppressed by static ageing (at RT or higher) while maintaining the initial work-hardening rate (ageing at RT). Parallel investigations using atom probe tomography reveal that the distribution of carbon at the atomic scale evolves from purely homogeneous for virgin martensite to partly segregated at a very fine scale (5–10?nm) after static ageing. This particular mechanical behaviour can therefore be associated with a very local decrease in available carbon in solid solution due to redistribution and segregations on defects (nanotwins) that occurs rapidly, even after few days at RT.     

The dual pathway to creativity model: Creative ideation as a function of flexibility and persistence

The dual pathway to creativity model argues that creativity—the generation of original and appropriate ideas—is a function of cognitive flexibility and cognitive persistence, and that dispositional or situational variables may influence creativity either through their effects on flexibility, on persistence, or both. This model is tested in a number of studies in which participants performed creative ideation tasks. We review work showing that cognitive flexibility, operationalised as the number of content categories surveyed, directly relates to idea originality, but that originality can also be achieved by exploring a few content categories in great depth (i.e., persistence). We also show that a global processing mode is associated with cognitive flexibility, but only leads to high originality in tasks that capitalise on cognitive flexibility. We finally show that activating positive mood states enhance creativity because they stimulate flexibility, while activating negative mood states can enhance creativity because they stimulate persistence. Implications for theory and practice are discussed.     

Coping with Age‐related Threats to Role Identity: Older Couples and the Management of Household Money

As more couples live together into old age, difficult decisions have to be made about money matters, including the financing of late‐life care. This paper analyses in‐depth qualitative data from six older heterosexual couples, part of a wider study concerning money management in later life. Research when these cohorts were younger found that the organisation of money management within households was specialised and highly gendered, leading to substantive imbalances of power and access to financial resources, while also being core to the formation and maintenance of gendered role identities and couple identities. We find in this study that if a partner's ability to fulfil a money management role identity is threatened by later‐life issues such as poor health and cognitive decline, the other partner may try to protect that aspect of the spouse's role identity, using various covert strategies. This might be done to shore up the spouse's self‐esteem in the face of such age‐related threats to role identity, to ‘keep up appearances’ to the outside world or to maintain their identity as a couple at a time of life when there may be multiple difficulties to deal with. These findings have implications for practice and policy in the realm of money and identity management in later life. Copyright © 2013 John Wiley & Sons, Ltd.     

Self-control and frequency of model presentation: Effects on learning a ballet passé relevé

The purpose of this experiment was to examine the combined effects of self-control and frequency of model presentation on learning a complex motor skill, i.e., ballet passé relevé. Before practice started self-control participants were asked to choose two viewings or six viewings (before practice and then every five trials) and the externally controlled groups were yoked to their self-control counterparts. All participants completed 15 acquisition trials followed by 5 trials for the immediate and 5 trials for the delayed retention tests 48 hours later. Dependent variables included cognitive representation scores, physical reproduction rankings, and balance time. Statistical analyses indicated that under limited physical practice conditions self-control and higher frequency of model presentation facilitated the development of cognitive representation and did not produce further benefits in movement reproductions and balance time. The results were discussed with respect to the social cognitive theory.     

Disentangling the belief in God and cognitive rigidity/flexibility components of religiosity to predict racial and value-violating prejudice: A Post-Critical Belief Scale analysis

Past research indicates that being religious is associated with prejudice toward racial and value-violating out-groups. However, this past research treated religiosity as a unidimensional construct without taking into account how different components of religiosity—belief in a higher power and the rigidity/flexibility of religious beliefs—are associated with measures of prejudice. Two studies examined the relationship between these two components of religiosity, as measured by the Post-Critical Beliefs Scale, and racial (African Americans, Arabs) and value-violating prejudices (atheists, gay men). As the flexibility of religious beliefs increased (literal vs. symbolic dimension), attitudes toward racial and value-violating out-groups became more positive (Study 1). As belief in God strengthened (exclusion vs. inclusion of transcendence dimension), attitudes toward value-violating out-groups became more negative. Study 2 demonstrated that these two components of religiosity fully mediated the relationship between general religiosity and prejudice toward African Americans, Arabs, and gay men and partially mediated the relationship between religiosity and prejudice toward atheists. Results are discussed in light of reexamining the conclusion that simply being religious is associated with prejudice.     

Butch–femme identity and empathizing–systemizing cognitive traits in Chinese lesbians and bisexual women

Previous studies documented that butches showed a masculine profile and femmes showed a feminine profile in gender roles. This study examines the association between butch or femme lesbian identity and empathizing–systemizing (E–S) cognitive styles among 588 lesbian and bisexual women from multiple cities in China. Empathizing and systemizing were assessed using two different abbreviated 8-item scales drawn from longer original scales. There were significant differences in systemizing among butch–femme identity, with butches scoring higher than femmes, but no significant differences in empathizing. The discrepancy in empathizing–systemizing scores reflects individual differences in dispositional cognitive style. A higher proportion of femmes exhibited an E > S cognitive profile, while a higher proportion of butches exhibited an S > E cognitive profile. Sexual stereotyping based on masculinity/femininity, or biology, may be related to butch–femme difference in cognitive style. In studies on sexual orientation, researchers should pay more attention to butch–femme subgroup differences among lesbians.     

A preliminary investigation of sex differences in associations between emotion regulation difficulties and higher-order cognitive abilities

The present study sought to clarify the cognitive correlates of emotion regulation difficulties (ERD). Further, because prior evidence suggests sex differences in emotion regulation, sex was examined as a moderator of associations between cognitive abilities and ERD. Participants (N = 154) completed self-report measures of ERD, and were administered neuropsychological tests assessing crystallized and fluid intelligence, as well as various components of executive functioning. Bivariate correlations and results from regression analyses suggested sex-dependent associations among cognitive processes and ERD. For men, inhibition of dominant response tendencies was associated with lower ERD, whereas for women, a host of executive abilities (e.g., greater inhibition, cognitive flexibility, semantic processing, abstract reasoning) were associated with greater ERD. Implications for the neurocognitive conceptualization of emotion dysregulation will be discussed.     

Keys to the development of the role of grandparents in current Spanish society / Claves para el desarrollo del rol de abuelo y abuela en la sociedad española actual

Abstract

Current demographic changes and work-family reconciliation difficulties in Spain have resulted in an increase in the arrangement of grandparents caring for their grandchildren. However, in order to ensure that the relationship between both generations is a privileged interaction that promotes successful ageing, furthering our knowledge of the challenges that this field of study faces is necessary. On this basis, the purpose of this article is to review the theories regarding this family relationship, which, together with the empirical research into this area, comprise the basis of a three-pronged proposal that includes the keys or challenges to studying the role of grandparents: (1) the heterogeneity and multidimensionality in the study of this role; (2) the complex interaction of positive and negative aspects that produce significant ambivalence in grandparents as a reaction to their experiences in this role; and (3) the influence of the baby boom generation grandparents’ new characteristics.