Reward-priming impacts visual working memory maintenance: Evidence from human electrophysiology

Reward can benefit visual processing of reward-associated objects in a non-strategic way. Recent studies have suggested that such influence extends also to visual working memory (VWM) representations of reward-associated stimuli. However, it is not clear yet which mechanisms underlie the behavioural effects in VWM tasks: reward could directly impact on our ability to maintain representations in VWM or it could influence memory indirectly via priming of attentional selection. To distinguish between these alternatives we measured event-related potential indices of selective attention – the N2pc – and VWM maintenance – the CDA (contralateral delay activity) – while participants completed a VWM task. Results show that reward outcome in one trial caused similarly coloured targets to be strongly represented in VWM in subsequent trials, as expressed in a larger-amplitude CDA This was not preceded by a corresponding effect on attentional selection, in so far as our key manipulation had no impact on the N2pc. In a second experiment, we found that reward priming produced a behavioural benefit that emerged over time, suggesting that the representations of reward-associated items stored in VWM are more resistant to interference and decay. We conclude that when the task stresses VWM maintenance, it is at this representational level that reward will have impact.     

Eudaimonic Well-Being in Transsexual People,Before and After Gender Confirming Surgery

Gender confirming surgery (GCS) and cross-sex hormones (CSH) are crucial steps in the self-realization of a transsexual individual. However, no study has analyzed the outcome of GCS in a eudaimonic perspective, nor explored eudaimonic well-being before GCS. The study compares the eudaimonic well-being of trans men (N = 56) and women (N = 89) before and after GCS; in the MtF sample, a further comparison was carried out between those who never started any medical intervention and those who were already taking CSH. Finally, the impact of experiences of harassment, discrimination and violence on eudaimonic well-being in the post-surgery sample was explored. All participants completed the Psychological Well-being Scales (Ryff in J Pers Soc Psychol 57:1069–1081, 1989) and, only the post-surgery sample, a questionnaire to assess previous experiences of harassment, discrimination and violence. Both in MtF and FtM participants, those who already received GCS showed higher scores on self-acceptance; in the MtF sample, higher scores were also found on environmental mastery and lower scores on personal growth. The association between experiences of discrimination on well-being was limited and positive, with higher scores in personal growth only in FtM participants who reported being victims of such experiences. Our results suggest that both MtF and FtM transsexuals show higher levels of eudaimonic well-being after GCS.     

Attachment Representation and Sensitivity: The Moderating Role of Posttraumatic Stress Disorder in a Refugee Sample

It has been hypothesized that adult attachment representations guide caregiving behavior and influence parental sensitivity, and thus affect the child's socio‐emotional development. Several studies have shown a link between posttraumatic stress disorder (PTSD) and reduced parental sensitivity, so it is possible that PTSD moderates the relationship between insecure attachment representations and insensitivity. In this study symptoms of PTSD (Harvard Trauma Questionnaire), parental sensitivity (Emotional Availability Scales), and attachment representations (Attachment Script Assessment) were assessed in 53 parents who were asylum seekers or refugees. Results showed that when parents were less able to draw on secure attachment representations, symptoms of PTSD increased the risk of insensitive parenting. These findings suggest that parental sensitivity is affected not just by attachment representations, but by a conjunction of risk factors including symptoms of PTSD and insecure attachment representations. These parents should therefore be supported to establish or confirm secure models of attachment experiences, to facilitate their ability interact sensitively and form a secure relationship with their children.     

Vague Objects within Classical Logic and Standard Mereology,and without Indeterminate Identity

Weatherson (The Philosophical Quarterly, 53, 481–501 2003) argues that whoever accepts classical logic, standard mereology and the difference between vague objects and any others, should conclude that there are no vague objects. Barnes and Williams (Pacific Philosophical Quarterly, 90, 176–187 2009) claim that a supporter of vague objects who accepts classical logic and standard mereology should recognize that the existence of vague objects implies indeterminate identity. Even though it is not clearly stated, they all seem to be committed to the assumption that reality is ultimately constituted by mereological atoms. This assumption is not granted by standard mereology which instead remains silent on whether reality is atomic or gunky; therefore, I contend that whoever maintains classical logic, standard mereology and the difference between vague objects and any others, is not forced to conclude with Weatherson that there are no vague objects; nor is she compelled to revise her point of view according to Barnes and Williams’s proposal and to accept that the existence of vague objects implies indeterminate identity.     

How is anxiety related to math performance in young students? A longitudinal study of Grade 2 to Grade 3 children

Both general and math-specific anxiety are related to proficiency in mathematics. However, it is not clear when math anxiety arises in young children, nor how it relates to early math performance. This study therefore investigated the early association between math anxiety and math performance in Grades 2 and 3, by accounting for general anxiety and by further inspecting the prevalent directionality of the anxiety–performance link. Results revealed that this link was significant in Grade 3, with a prevalent direction from math anxiety to performance, rather than the reverse. Longitudinal analyses also showed an indirect effect of math anxiety in Grade 2 on subsequent math performance in Grade 3. Overall, these findings highlight the importance of monitoring anxiety from the early stages of schooling in order to promote proficient academic performance.     

Protective factors for depressive symptoms in emerging adulthood

Emerging adulthood is characterized by pervasive changes in identity and relationships. These challenges can entail problems for subjective well-being, leading to depressive symptoms. The development of an autonomous-related self is considered crucial for emerging adults’ personal growth and psychological well-being. Autonomous-related self is linked to self-esteem and secure attachment style, which are also protective factors for depression. The current research sought to investigate the relation between autonomous-related self and depressive symptoms, as well as the role of secure attachment style and self-esteem, in a sample of 356 Italian emerging adults. Gender differences were taken into account in preliminary analyses. Gender differences emerged for autonomous-related self and self-esteem, while secure attachment and depression levels were similar across gender. Our results suggest that autonomous-related self, mediated by self-esteem and secure attachment style, is a protective factor for emotional states of depression, controlling for social desirability. These findings emphasize the importance of taking autonomy and relatedness into account in emerging adulthood and represent a starting point for future studies.     

Perceptual salience of derivational suffixes in visual word recognition

This study analyzes the role of derivational suffixes in visual word recognition, tracking the eye movements of 31 participants in a sentence-reading task in Spanish. Perceptual salience of suffixes was operationalized as the proportion of letters represented by the suffixes with respect to the full words, that is, we relate the number of letters comprising the suffixes to the number of letters in the words in which they appear. The results reveal a significant role in first fixation duration of both word frequency – the more frequent the word, the shorter the fixations, and perceptual salience – the more salient the suffix, the longer the fixations. Moreover, in gaze duration, our results show a main effect of word length – the longer the word, the longer the fixations; word frequency; and significant interactions between word frequency and perceptual salience of suffixes on the one hand – the effect of word frequency is only significant when perceptual salience of suffixes is high, and between word frequency and word length on the other hand – the frequency effect decreases as word length increases. Overall results are interpreted in the light of the dual route models by which full-form and morphological processing interactively cooperate in visual word recognition.     

The Aesthetic Import of the Act of Knowledge and its European Roots in Merab Mamardašvili

What Mamardašvili meant by “process of knowledge” is not an all-embracing vision of reality accomplished “once-and-for-all”; it is not a step by step procedure of deduction; rather it is an anti-dialectical reconstruction of a constellation of signs put together over and over again by the subject by an act of non-premeditated genius. It is a kind of aesthetic act that makes the sense appear, like a vertical cut in the sequential line of space and time.