THE DEVELOPMENT OF SOCIAL ATTITUDES AS STUDIED IN TWO CROSS-CULTURAL RESEARCH PROJECTS1

Le développement des attitudes sociales. Deux projets de recherches interculturelles. — Présentation de deux projets de recherches interculturelles, issus de la Conférence sur le Développement des Recherches Interculturelles sur l'éducation des enfants et des adolescents (Février 1964, Chicago). La premiére étude concerne les processus par lesquels les enfants apprennent à se soumettre aux régies de la société; les attitudes à I'égard des lois et de l'autorité, de la justice, des conséquences de la non-soumission ainsi que la relation entre l'autorite dans la famille et le comportement hors de la maison seront étudiées en fonction de diverses variables d'age, de sexe et de classes sociales, de variables culturelles et de variables psychologiques, dans 6 pays differents (Danemark, Grèce, Inde, Italie, Japon, USA). La seconde recherche concerne le développement chez l'enfant de la compétence en matière de tâches et de relations interpersonnelles et de la maîtrise de l'agressivité et de l'anxiété, l'étude portera sur les buts professionnels et la conduite en matiére de résolution de problémes, comparés aux préférences des adultes et des maitres, selon l'âge et la classe sociale, dans 7 pays différents (Brésil, Japon, Angleterre, Allemagne, Italie, Mexique, USA).     

Retrieval induces hippocampal-dependent reconsolidation of spatial memory

Nonreinforced retrieval can cause extinction and/or reconsolidation, two processes that affect subsequent retrieval in opposite ways. Using the Morris water maze task we show that, in the rat, repeated nonreinforced expression of spatial memory causes extinction, which is unaffected by inhibition of protein synthesis within the CA1 region of the dorsal hippocampus. However, if the number of nonreinforced retrieval trials is insufficient to induce long-lasting extinction, then a hippocampal protein synthesis-dependent reconsolidation process recovers the original memory. Inhibition of hippocampal protein synthesis after reversal learning sessions impairs retention of the reversed preference and blocks persistence of the original one, suggesting that reversal learning involves reconsolidation rather than extinction of the original memory. Our results suggest the existence of a hippocampal protein synthesis-dependent reconsolidation process that operates to recover or update retrieval-weakened memories from incomplete extinction.     

I sell seashells by the seashore and my name is Jack: comment on Pelham, Mirenberg, and Jones (2002)

According to a new hypothesis based on implicit egotism, people gravitate toward cities, states, and careers with names similar to their own names. To support this hypothesis, B. W. Pelham, M. C. Mirenberg, and J. T. Jones (2002) reported a series of results regarding distributions of names in different cities, states, and jobs. In the present article, new analyses of the original data are reported, showing that the hypothesis is not supported for the large majority of names considered by the authors, and for some names even the opposite result is found. In addition, a meta-analysis reveals that either the data are unreliable, or the hypothesis cannot be supported in the whole population of names. Overall, the original data give no support of the idea that implicit egotism influences major life decisions.     

Supportive Organizations,Work–Family Enrichment,and Job Burnout in Low and High Humane Orientation Cultures

The present study draws on the work–family and cross-national management literature to examine the relationships between Family-Supportive Organizational Perceptions (FSOP), work–family enrichment, and job burnout across five countries with different cultural backgrounds: Malaysia, New Zealand, France, Italy, and Spain. Using a combined sample of 980 employees, we find support for a partial mediation model in which FSOP is positively associated with work–family enrichment, which in turn is negatively related to job burnout. Given our focus on support, we test the moderating role of the cultural value humane orientation, that is, the extent to which a society values altruism, kindness, and compassion. The five countries in our sample offer variation in their country-level scores as determined by the GLOBE study (House et al., 2004). We found that individuals from cultures that scored higher in “as is” humane orientation (i.e., scores for actual practices) experienced lower job burnout when FSOP increased. This pattern was reversed when considering “should be” humane orientation (i.e., scores for ideal values). The implications for the work–family and the cross-national management literature, and for practice, are discussed.     

A paper-and-pencil measure of prefrontal subcortical dysfunction

In a large sample of 722 community residents, scores on the Frontal Systems Behavior Scale were significantly associated with age, sex, and education, indicating that scores were higher for men, younger participants, and less educated participants.     

Entrevista con Alan Baddeley

RESUMEN

Tras presentar a este profesor inglés -director de la Applied Psychology Unit- como uno de los investigadores más importantes en psicología cognitiva, la entrevista se centra en la denominada “memoria operativa” o “memoria de trabajo” (working memory) y alguna de sus implicaciones. En primer lugar el autor nos habla de sus estudios sobre el desarrollo de la lectura, afirmando que se puede caracterizar el retraso en el lenguaje como un déficit en la memoria operativa. Seguidamente trata el tema del aprendizaje humano desde la perspectiva de la psicología cognitiva, así como la relación entre su enfoque y el de los procesos automáticos y controlados de Shiffrin y Schneider o el de asignación de recursos de procesamiento de Navon y Gopher. Esta entrevista finaliza analizando las relaciones entre aprendizaje y memoria operativa.     

Aversive experiences are associated with a rapid and transient activation of ERKs in the rat hippocampus.

The extracellular signal-regulated kinases (ERKs) family of mitogen-activated protein kinases (MAPKs) has been shown to participate in memory formation. We recently found that a hippocampal ERK/MAPK cascade is required for memory formation of an inhibitory avoidance training in rats. Here we reported that this learning task is accompanied by a rapid increase in the phosphorylation of hippocampal p44 MAPK. A single mild foot shock produced a similar effect and three consecutive foot shocks provoked the activation of both p44 and p42 MAPKs. In contrast, a brief exposure to the training box or the habituation to an open field did not alter hippocampal ERK/MAPK levels. Together, these findings indicate that aversive behavioral experiences induced a rapid and transient activation of ERK/MAPKs in the hippocampus.     

A neural implementation of multi-adjoint logic programming

A neural net based implementation of propositional [0,1]-valued multi-adjoint logic programming is presented, which is an extension of earlier work on representing logic programs in neural networks carried out in [A.S. d'Avila Garcez et al., Neural-Symbolic Learning Systems: Foundations and Applications, Springer, 2002; S. Hölldobler et al., Appl. Intelligence 11 (1) (1999) 45–58]. Proofs of preservation of semantics are given, this makes the extension to be well-founded.The implementation needs some preprocessing of the initial program to transform it into a homogeneous program; then, transformation rules carry programs into neural networks, where truth-values of rules relate to output of neurons, truth-values of facts represent input, and network functions are determined by a set of general operators; the net outputs the values of propositional variables under its minimal model.