An Evaluation of a School-Based Suicide Awareness Intervention

This study employed a self-report questionnaire in a Solomon four-groups design to assess the efficacy of suicide intervention classes in achieving their instructional objectives. Because adolescents are often the first to know of a peer's suicidal thoughts or plans, the goal of the classes was to increase the likelihood that students who come into contact with potentially suicidal peers can more readily identify them and will be consistently inclined to take responsible action on their behalf. Students who participated in the classes as compared to controls showed significant gains in relevant knowledge about suicidal peers and significantly more positive attitudes toward help seeking and intervening with troubled peers. Results of this study will be used to strengthen components of the lessons aimed at enhancing the likelihood of performance of responsible interventions     

School attainment,self-esteem,and identity: France and England

The Tajfel-Turner Theory of Social Identity was used as a framework from which it was predicted that pupils of low attainment in secondary school should come to define themselves as indifferent to or opposed to the values of their schools. This hypothesis was examined in France and England, on self-report measures covering values, aspirations, perceptions, evaluations, beliefs and motivations. While results show numerous differences between low and high attainers common to both countries, the differences are more pronounced in England. National differences are such that the French pupils are more like high attainers. Results are interpreted as being more consistent with low attaining pupils being victims of boredom rather than failure, with the French school culture providing greater insulation against such reactions.     

Orthographic vs. phonologic syllables in handwriting production

French children program the words they write syllable by syllable. We examined whether the syllable the children use to segment words is determined phonologically (i.e., is derived from speech production processes) or orthographically. Third, 4th and 5th graders wrote on a digitiser words that were mono-syllables phonologically (e.g. barque = [baRk]) but bi-syllables orthographically (e.g. barque = bar.que). These words were matched to words that were bi-syllables both phonologically and orthographically (e.g. balcon = [bal.kõ] and bal.con). The results on letter stroke duration and fluency yielded significant peaks at the syllable boundary for both types of words, indicating that the children use orthographic rather than phonological syllables as processing units to program the words they write.     

Who is umuntu in Umuntu ngumuntu ngabantu? Interrogating moral issues facing Ndau women in polygyny

Discussions on the African communitarian idea of personhood have generated several debates among African philosophers about how it is conceived and perceived. While scholars like Wiredu and Gyekye maintain that personhood is gender-neutral, others such as Oyowe suggest that personhood is gendered. The position that African communitarian personhood is gendered is the basis for the argument in this article. Defenders of this notion argue that the gender-neutral conception of personhood has created situations where gender issues have been glossed over, thereby perpetuating gender inequality in African communities. It is within this context that we take the argument further by interrogating the word umuntu in the popular southern African maxim on personhood, Umuntu ngumuntu ngabantu. We ask the question: if personhood is gendered, then who is umuntu in this aphorism? In an attempt to answer this question, we advance two important claims. First, we claim that umuntu refers to a person whose interest is upheld in the community as well as those who are able to determine their own interest. Second, we also say that this concept of umuntu has perpetuated cultural practices that adversely impact women and girls in most African rural communities. Although some scholars might object to these claims, in this article we will not be addressing those objections, but rather we argue that umuntu is gendered male in the aphorism.     

Vocabulary growth rate from preschool to school‐age years is reflected in the connectivity of the arcuate fasciculus in 14‐year‐old children

The acquisition of language involves the functional specialization of several cortical regions. Connectivity between these brain regions may also change with the development of language. Various studies have demonstrated that the arcuate fasciculus was essential for language function. Vocabulary learning is one of the most important skills in language acquisition. In the present longitudinal study, we explored the influence of vocabulary development on the anatomical properties of the arcuate fasciculus. Seventy‐nine Chinese children participated in this study. Between age 4 and age 10, they were administered the same vocabulary task repeatedly. Following a previous study, children's vocabulary developmental trajectories were clustered into three subgroups (consistently good, catch‐up, consistently poor). At age 14, diffusion tensor imaging data were collected. Using ROI‐based tractography, the anterior, posterior and direct segments of the bilateral arcuate fasciculus were delineated in each child's native space. Group comparisons showed a significantly reduced fractional anisotropy in the left arcuate fasciculus of children in the consistently poor group, in particular in the posterior and direct segments of the arcuate fasciculus. No group differences were observed in the right hemisphere, nor in the left anterior segment. Further regression analyses showed that the rate of vocabulary development, rather than the initial vocabulary size, was a specific predictor of the left arcuate fasciculus connectivity.     

PKA and PKC are required for long-term but not short-term in vivo operant memory in Aplysia

We investigated the involvement of PKA and PKC signaling in a negatively reinforced operant learning paradigm in Aplysia, learning that food is inedible (LFI). In vivo injection of PKA or PKC inhibitors blocked long-term LFI memory formation. Moreover, a persistent phase of PKA activity, although not PKC activity, was necessary for long-term memory. Surprisingly, neither PKA nor PKC activity was required for associative short-term LFI memory. Additionally, PKA and PKC were not required for the retrieval of short- or long-term memory (STM and LTM, respectively). These studies have identified key differences between the mechanisms underlying nonassociative sensitization, operant reward learning, and LFI memory in Aplysia.