Motor excitability during movement preparation in Tourette syndrome

Tourette syndrome (TS) is a neurodevelopmental disorder characterized by the occurrence of motor and vocal tics. TS has been linked to the impaired operation of cortical‐striatal‐thalamic‐cortical circuits that give rise to hyper‐excitability of cortical motor areas, which may be exacerbated by dysfunctional intra‐cortical inhibitory mechanisms. That said, many individuals gain control over their tics during adolescence and it has been suggested that this increased control arises as a result of the development of mechanisms that operate to suppress corticospinal excitability (CSE) ahead of volitional movements. Here we used single‐pulse transcranial magnetic stimulation (TMS) in conjunction with a manual Go/NoGo task to investigate alterations in CSE ahead of volitional movements in a group of adolescents with TS (N = 10). Our study demonstrated that CSE, as measured by TMS‐induced motor‐evoked potentials (MEPs), was significantly reduced in the TS group in the period immediately preceding a finger movement. More specifically, we show that individuals with TS, unlike their age‐matched controls, do not exhibit the predicted increase in mean MEP amplitude and decrease in MEP variability that immediately precede the execution of volitional movements in typically developing young adults. Finally, we report that the magnitude of the rise in MEP amplitude across the movement preparation period in TS is significantly negatively correlated with clinical measures of motor tic severity, suggesting that individuals with severe motor tics are least able to modulate motor cortical excitability.     

Subjective Wellbeing Between Organizational Bonds and Cultural Contaminations

Positive Psychology has recently attempted at “enlarging the paradigm,” explaining the understanding of the human experience of the world. By contrast, for Critical Psychology, “enlarging the paradigm” means moving away from an individualist conceptualization of the psychological. The present article aims at “redistributing the Psychological” toward directions already marked by cultural and discursive conceptions of human experience. Within a transdisciplinary frame, labeled as Psycho-semiotics, Diatextual Analysis has been adopted to investigate the rhetorical modes used by socially excluded enunciators (drug users, immigrants, atypical workers, elderly people, and some categories of churchgoer) to elaborate their own experience of well-being through affective labor and self care.     

Entrevista con Julián de Ajuriaguerra

RESUMEN

En esta entrevista Julián de Ajuriaguerra describe su historia científica desde que era interno en hospitales psiquiátricos y alumno de Thomas y Lhermitte, comentando los trabajos que realizó con adultos, ancianos y dementes aunque su interés estuviese desde un principio en los niños. Responde, entre otras, a cuestiones tales como si lo biológico se complementa con lo social en el desarrollo, cómo son los vínculos de los padres con el niño, cuál es su posición respecto al psicoanálisis, si es necesaria la interdisciplinariedad para hacer psicología o qué opina del problema de los estadios. También realiza un balance del estado actual de la psicomotricidad, ejemplifica qué entiende por “diálogo tónico” y explica las diferencias entre los juegos de niños y niñas de siete, ocho y nueve años, admitiendo la distinta organización tónica de los sexos. Por último el autor se centra en el trabajo clínico, ofreciendo sugerencias para aquéllos que empiezan a llevarlo a cabo en España. Los comentarios que Ana María Pardo y Ángel Rivière realizan del autor y su obra introducen esta entrevista.     

The Reading Literacy test for Secondary Education (CompLEC)

A new test to evaluate reading literacy, the Test of Reading Literacy for Secondary Education (CompLEC) is presented. CompLEC is based on the PISA assessment framework and new definitions of reading literacy. The test, easy to apply and score, assesses the level of reading literacy of children between 11 and 14 years of age in several reading situations (i.e., public, educational, personal and occupational) and with different types of texts (i.e., continuous and non-continuous). The scale has been standardized with a sample of 1,854 students from five different Spanish regions. Empirical results show that CompLEC is a homogeneous, reliable and valid instrument.     

Gender and age differences in emotion regulation strategies and their relationship to depressive symptoms

We examined differences between men and women, and between young, middle and older age adults in emotion regulation strategies (rumination, suppression, reappraisal, problem-solving, acceptance, social support) and the relationships between these strategies and depressive symptoms. Women were more likely than men to report using several different emotion regulation strategies, and these gender differences were significant even after statistically controlling for gender differences in depressive symptoms. Use of most strategies decreased with age, with two exceptions: (1) use of suppression increased with age for women but not for men and (2) use of acceptance did not decrease with age for women. Use of maladaptive strategies was associated with more depressive symptoms in all age groups and both genders, yet, the use of adaptive strategies generally was not related to lower levels depressive symptoms across groups.     

When Declaring ��I am a Feminist�� Matters: Labeling is Linked to Activism

Being a feminist has been operationalized as a label (linked with activism), beliefs (associated with personal and interpersonal outcomes), and their combination. Using an internet survey completed by 220 American mid-western college women, we explored the unique and combined impact of feminist self-labeling with feminist beliefs on women??s well-being, egalitarianism, and activism. Self-labeling was most clearly defined as a binary declaration of being a feminist or not, which alone was related to increased feminist activism above and beyond the impact of feminist beliefs. Furthermore, self-labeling, unlike feminist beliefs, was not related to personal well-being or interpersonal egalitarianism. Our findings confirm the exclusive and singular importance of self-labeling for enhanced feminist action.     

Causal inferences with group based trajectory models

A central theme of research on human development and psychopathology is whether a therapeutic intervention or a turning-point event, such as a family break-up, alters the trajectory of the behavior under study. This paper lays out and applies a method for using observational longitudinal data to make more confident causal inferences about the impact of such events on developmental trajectories. The method draws upon two distinct lines of research: work on the use of finite mixture modeling to analyze developmental trajectories and work on propensity scores. The essence of the method is to use the posterior probabilities of trajectory group membership from a finite mixture modeling framework, to create balance on lagged outcomes and other covariates established prior to t for the purpose of inferring the impact of first-time treatment at t on the outcome of interest. The approach is demonstrated with an analysis of the impact of gang membership on violent delinquency based on data from a large longitudinal study conducted in Montreal. The research has been supported by the National Science Foundation (NSF) (SES-99113700) and the National Institute of Mental Health (RO1 MH65611-01A2). It also made heavy use of data collected with the support from Québec’s CQRS and FCAR funding agencies, Canada’s NHRDP and SSHRC funding agencies, and the Molson Foundation. We thank Stephen Fienberg, Susan Murphy, Paul Rosenbaum, the editor, Paul De Boeck, and two anonymous reviewers for their insightful suggestions.