Subjective measures of consciousness in artificial grammar learning task

Consciousness can be measured in various ways, but different measures often yield different conclusions about the extent to which awareness relates to performance. Here, we compare five different subjective measures of awareness in the context of an artificial grammar learning task. Participants (N=217) expressed their subjective awareness of rules using one of five different scales: confidence ratings (CRs), post-decision wagering (PDW), feeling of warmth (FOW), rule awareness (RAS), and continuous scale (SDS). All scales were equally sensitive to conscious knowledge. PDW, however, was affected by risk aversion, and both RAS and SDS applied different minimal criteria for rule awareness. CR seems to capture the largest range of consciousness, but failed to indicate unconscious knowledge with the guessing criterion. We close by discussing the theoretical implications of scale sensitivity and propose that CR's unique features enable (in conjunction with RAS and FOW) a finer assessment of subjective states of awareness.     

Le pouvoir d’agir à l’épreuve de la souffrance au travail : émotions,recherche et construction de sens

Work may support personnalization and creation when subjects can transfer and develop in their professional environment what they do, value, plan or got in other domains of life. By contrast, suffering at work traps the subject in a reciprocal causality loop in which agency decrease and loss of meaning go hand in hand. Both depend on work experience’s disconnection from other subject’s life experiences. We hypothesize that emotion, as an antecedent of meaning search (Rime, 2005) and a vehicle for behaviors intersignification, is a means for re-appropriating an identity of “homme capable” (Ricoeur, 2004). An action-research at Purpan’s hospital “Suffering at work” consulting, considers those statements at individual and collective levels by comparing two Groups of Work Situations Analyze.     

Mood Induction in Children: Effect of the Affective Valence of a Text on Phonological Working Memory

The influence of mood on working memory capacity has been investigated in adults, albeit with conflicting results, but remains relatively unexplored in children. The present study examined the effect of a mood induction procedure on phonological working memory capacity in fourth and fifth graders. An initial working memory span test was followed first by a collective mood induction procedure, then by a second working memory span test. Results showed an effect of mood induction procedure on phonological working memory performances, with decreasing scores in the case of negative mood. These results suggest that, in certain contexts and situations, negative emotion has an impact on children’s cognitive abilities.     

Editorial to the special issue Neuronus

Did you visit the Neuronus conferences in the years 2012 and 2013 in Kraków? If not, then you certainly should have a close examination of this special issue including this introduction to at least have a glimpse of an idea of the highly interesting topics in the field of cognitive neuroscience that were presented at these conferences. If you were there, it is for sure a good choice to focus on this special issue as well, first to refresh your minds (we know our memories are far from perfect), but especially to see what happened with research of the presenters at these conferences.     

Influence of Attachment Style on Major Psychological Capacities to Lead

Addressing psychological literature's deficiency in research on the early development of leaders in everyday life (e.g., leaders in the workplace, leaders in social settings, leaders in organizational settings), this study assumed that central psychological capacities required for such leaders can be predicted and explained by J. Bowlby's (1969) Bowlby, J. 1969. Attachment and loss: Vol. 1. Attachment New York : Basic Books. [Google Scholar] attachment theory concerning developmental processes in infancy. The authors administered a series of questionnaires to 402 participants. The authors analyzed data by using structural equation modeling. Findings indicate a potential-to-lead construct that forms in infancy. The results fully supported the authors’ main arguments: that secure attachment style influences the potential to lead and that this capacity is essential for leadership as measured by leadership ranking.     

Parental Practices and Theory of Mind Development

In the past three decades, psychologists have become increasingly interested in the study of theory of mind. This ability involves an understanding of different components of the mind (e.g., emotions, thoughts, beliefs) and of how they are related to human behavior. Several parents’ characteristics (e.g., attachment, mental-state talk) have been associated to children’s theory-of-mind development, but the variables and methods adopted are diverse and at times lead to inconsistent findings. The goal of the present paper, therefore, is to provide a literature review that can point both to possible ways in which discrepancies might be overcome and to promising research directions. Our review covers 78 research reports published in English between 1980 and 2011. Only empirical studies, using children as participants, were included in the review. Three main suggestions are offered for researchers, parents and practitioners on how to nurture young children’s understanding of mind: (a) to treat children as intentional agents, acting in a sensitive and responsive fashion to their mental states; (b) to speak to children about mental states in an elaborate and connected way, pointing out their causes and consequences, and explaining that these may be different for different people; and (c) to expose children to a wide range of emotions while being careful to not express over-frequent and inconsistent negative affect. One limitation of the present review, however, is that we do not look into how parental practices interact with certain individual characteristics of the child (e.g., personality, IQ and language skills). Future research should explore the multifaceted nature of these relationships and interactions.     

Motivation to Lead: Research on the Motives for Undertaking Leadership Roles in the Israel Defense Forces (IDF)

Sustained flight operations are likely to produce fatigue and performance decrement in aviators. We assessed changes in cognitive performance using a workhest schedule modeled on successive long-range attack missions. Twelve subjects performed several subtests of the Unified Tri-Service Cognitive Performance Assessment Battery and the Walter Reed Performance Assess- ment Battery 18 times during a simulated sustained operation. The scenario consisted of a 9-hr planning session followed by a 4-hr rest period and a 14-hr daytime mission. After 6 hr of rest, subjects repeated this schedule with a nighttime mission. For two spatial tests, subjects showed linear increases in response rate and one of its components, error rate. Subjects appeared to change strategy as the study progressed, possibly exchanging a higher failure rate for a savings in time. Any tendency to take chances when fatigued may have serious implications for aircrew in sustained operations.     

Dream rebound: the return of suppressed thoughts in dreams

Abstract— People spent 5 min before sleep at home writing their stream of thought as they suppressed thoughts of a target person, thought of the person, or wrote freely after mentioning the person. These presleep references generally prompted people to report increased dreaming about the person. However, suppression instructions were particularly likely to have this influence, increasing dreaming about the person as measured both by participants' self-ratings of their dreams and by raters' coding of mentions of the person in written dream reports. This effect was observed regardless of emotional attraction to the person.     

The relative deprivation-gratification continuum and the attitudes of South Africans toward immigrants: a test of the V-curve hypothesis

It has long been established that there is a linear and positive relationship between relative deprivation and prejudice. However, a recent experiment suggests that the converse of relative deprivation, relative gratification, may also be associated with prejudice (S. Guimond & M. Dambrun, 2002). Specifically, the evidence suggests that the usual test for a linear relationship between relative deprivation-gratification and prejudice might conceal the existence of a bilinear relationship. This function, labeled the V-curve hypothesis, predicts that both relative deprivation and relative gratification are associated with higher levels of prejudice. This hypothesis was tested with a representative sample of South Africans (N=1,600). Results provide strong support for the V-curve hypothesis. Furthermore, strength of ethnic identification emerged as a partial mediator for the effect of relative gratification on prejudice.     

Calcium-activated proteases are critical for refilling depleted vesicle stores in cultured sensory-motor synapses of Aplysia

Aplysia motoneurons cocultured with a presynaptic sensory neuron exhibit homosynaptic depression when stimulated at low frequencies. A single bath application of serotonin (5HT) leads within seconds to facilitation of the depressed synapse. The facilitation is attributed to mobilization of neurotransmitter-containing vesicles from a feeding vesicle store to the depleted, readily releasable pool by protein kinase C (PKC). Here, we demonstrate that the calpain inhibitors, calpeptin, MG132, and ALLN, but not the proteasome inhibitors, lactacystin and clasto-lactacystin beta-lactone, block 5HT-induced facilitation of depressed synapses. Likewise the 5HT-induced enhancement of spontaneous miniature potentials (mEPSPs) frequency of depressed synapses is significantly reduced by calpeptin. In contrast, neither the facilitation of nondepressed synapses nor the enhancement of their mEPSPs frequency is affected by the inhibitor. The data suggest that action potentials-induced calcium influx activate calpains. These, in turn, play a role in the refilling processes of the depleted, releasable vesicle store.