Object substitution masking and the object updating hypothesis

The object updating hypothesis of object substitution masking proposes that the phenomenon arises when the visual system fails to individuate target and mask at the level of object token representations. This hypothesis is tested in two experiments using modifications of the dot mask paradigm developed by Lleras and Moore (2003). Target—mask individuation is manipulated by the presentation of additional display items that influence the linking apparent motion seen between a target and a spatially separated mask (Experiment 1), and by the use of placeholders that maintain the target object’s presence during mask presentation (Experiment 2). Results in both cases are consistent with the updating hypothesis in showing significantly reduced masking when the conditions promoted target—mask individuation. However, in both experiments, some masking was still present under conditions of individuation, an effect we attribute to attentional capture by the mask.     

玄冥:王弼与郭象的理

陈荣捷曾说过:“(郭象)的主要概念不再是《庄子》中的道,而是‘自然’。事物自然地存在和转化,没有其他的实在或力量使其如此。天不是自然背后的东西,只是一个名称而已。事物的存在和转化依乎理,而每个事物都有自己的理。所以每个事物是自足的,不需要一个全能的、原初的实在来组织或治理它们,像在王弼的注本中那样。……王弼强调一,郭象强调多。对王弼来说,理超越事物,郭认为理内在于事物”。①今天在理解两位伟大的玄学家王弼和郭象关于“理”的讨论时,这个论断仍然很有启发性。王弼的理似乎是一,郭象的理是多。王弼认为有一个被所有事物分…     

Exposure to Parental Cigarette Smoking and Child Problem Behaviors: A Longitudinal Study

This study examined exposure to environmental tobacco smoke (ETS), a major public health problem. ETS has been found to be associated with an increased risk of adverse health effects in children. This study utilizes data from a community-based, longitudinal investigation examining the relation between children’s exposure to ETS and later internalizing symptoms and externalizing behaviors. Interviews were administered to a representative community sample of participants from two New York State counties in 1983, with subsequent interviews in 1985–1986, 1992, 1997, and 2002–2003 (when the participants’ mean age was 32). Data was collected on various personality and behavioral characteristics of the participants, and on internalizing symptoms and externalizing behaviors demonstrated by their children. Results indicated that children’s exposure to ETS was associated with an increased risk for both internalizing symptoms and externalizing behaviors. This relationship was maintained despite control on a number of parental psychosocial risk factors (e.g., demographic variables, personality and behavioral attributes) that have been found to be associated with both parental cigarette smoking and behavior problems among children. These data, which indicate an association between exposure to ETS and internalizing symptoms and externalizing behaviors among children, support public health policies to further restrict children’s exposure to ETS.     

The relationship between personality, approach to learning and academic performance

This study considers the relationship between students' approaches to learning, as measured by a short-form of Entwistle and Tait's (1995) Revised Approaches to Studying Inventory (RASI), the Big Five personality factors, as measured by Cattell's 16PFi, and the background variables of age, gender and prior educational achievement and academic performance. Subjects were 146 social science undergraduate students at a university in Scotland. Structural equation modelling identifies the Big Five personality factor scores account for between 22.7% and 43.6% of the variance across scores on the three approach to learning dimensions. Four of the Big Five personality factors and the three approach to learning dimensions were found to be poor predictors of academic performance. A linear regression analysis with academic performance as the dependent variable and age, prior educational attainment and conscientiousness as independent variables, accounted for 24.1% of the variance in performance. Our investigation suggests approach to learning is a subset of personality. However, we conclude it makes sense to measure these two groups of variables separately in educational settings.     

A longitudinal investigation of social causation and social selection processes involved in the association between socioeconomic status and psychiatric disorders.

Social causation theory and social selection theory have been put forth to explain the finding that low socioeconomic status (SES) is associated with risk for psychiatric disorders. The predictions of both theories were investigated using data from a community-based longitudinal study. Psychosocial interviews were administered to 736 families from 2 counties in New York State in 1975, 1983, 1985-1986, and 1991-1993. Results indicated that (a) low family SES was associated with risk for offspring anxiety, depressive, disruptive, and personality disorders after offspring IQ and parental psychopathology were controlled, and (b) offspring disruptive and substance use disorders were associated with risk for poor educational attainment after offspring IQ and parental psychopathology were controlled. These findings indicate that social causation and social selection processes vary in importance among different categories of psychiatric disorders.     

The relationship of personality and behavioral development from adolescence to young adulthood and subsequent parenting behavior

The purpose of the study was to examine the association of parental personality, behavior, and substance use during adolescence and adulthood as related to the later parent-offspring relationship. The sample consisted of 297 parents (M age 32 yr.), who were first interviewed at earlier points in their lives in childhood and early adolescence at six points in time, extending from 1983 to 2002. Multiple regression models showed that parents with certain earlier personality and behavioral attributes, e.g., more rebelliousness and more frequent tobacco use, had a more difficult relationship with their children. Findings indicated an association between the cumulative number of psychosocial risk factors in the parents and difficulties in the parent-child relationship. The findings suggested that interventions designed to decrease youths' substance abuse may increase the likelihood that later when they are parents they will form nurturing relationships with their children.     

Tobacco use in adolescence: longitudinal links to later problem behavior among African American and Puerto Rican urban young adults

In this study, the authors assessed the relationship between adolescent tobacco smoking and measures of inner control, deviant behavior, and associating with deviant peers, which are indicators of problem behavior. African American (N = 333) and Puerto Rican (N = 329) early adolescents completed questionnaires in their classrooms in 1990 at Time 1 (T1) and were individually interviewed thereafter when they were late adolescents in 1995 at Time 2 (T2) and as young adults in 2000 at Time 3 (T3). The authors used ordinary least squares regression analysis to assess the comparative association of adolescent smoking patterns at T1 and T2 and the young adult outcomes at T3; they controlled for demographic variables, level of the outcome measure at T2, and marijuana use at T2. The analyses suggested that experimental tobacco smokers demonstrated more problem behaviors than did nonsmokers, and late and continuous smokers demonstrated more problem behaviors as young adults than did experimental smokers and nonusers. These findings may provide a useful guide to a next step that involves translational research.