Simple forms and fluctuations of the line of sight: Implications for motor theories of form processing

A contact lens optical Jever was used to measure two-dimensional fixation characteristics when experienced Ss fixated at various positions within simple forms small enough to fall entirely on the foveal floor (<80 min). Fixation stability and the average direction of the line of sight were not markedly or systematically affected by the shape of the fixation stimulus. Similar results were obtained when all saccades were suppressed and the line of sight maintained exclusively by means of slow control. These results cast doubt on motor theories of form perception.     

Family Interaction and Individual Psychological Health

Two studies explored the relationships between individual psychological health (PH) status and perceptions of family interaction and family climate variables as perceived by young adults. Psychological health was defined within inter- and intrapersonal domains, represented by social interest and psychological hardiness. Scores on social interest and hardiness instruments were standardized and added to put the construct of psychological health into practice. Family interaction variables were measured with Family Adaptability and Cohesion Evaluation Scales-III (FACES-III), the Children's Report of Parent Behavior Inventory-30 (CRPBI-30), Parent-Adolescent Communication Scale (PAC), Family Satisfaction Scale (FSS), and the Family Environment Scale (FES). Multivariate analyses indicated that PH status was associated with several family variables, with cohesion emerging as a key dimension. Implications for counseling are discussed.     

What makes for a pleasant social interaction? Motivational dynamics of interpersonal relations

The authors used an event-contingent daily recording strategy, the Rochester Interaction Record (RIR), to examine the motivational dynamics of interpersonal relations. Using hierarchical linear modeling, the authors demonstrated that social interactions were more pleasant when participants felt autonomous, competent, and related. Autonomy, competence, and relatedness consistently predicted interaction quality, regardless of (a) the length of the interaction; (b) whether it was dyadic or in a group; and (c) whether it was an interaction with family, friends, or acquaintances. However, participants were more likely to report feeling autonomous and related when they were interacting either with family members and friends or in a dyadic situation. These results suggest that experiences of autonomy, competence, and relatedness may make a good day partly because they produce satisfying interpersonal experiences.     

Aggressor and victim perspective-related differences in perceived legitimacy of aggression in soccer

The purpose of this role-playing study was to explore the perceived legitimacy of aggression in soccer as a function of perspective-related differences (aggressor vs victim) and type of aggression (instrumental vs hostile). 120 soccer players watched videotaped aggressive interactions in soccer and took the perspective of the actors (aggressor then victim or the reverse). Then they rated the legitimacy of each aggressive behavior depending on its ultimate goal (instrumental then hostile or the reverse). When participants adopted the aggressor perspective, they perceived instrumental aggression as more legitimate than hostile aggression. In contrast, when participants took the perspective of the victim, no significant difference was found regardless of the type of aggression. The discussion focussed on implications and consequences of such divergences in aggressive sport situations.     

Associations between serum cortisol, cardiovascular function and neurological outcome following acute global hypoxia in the newborn piglet

Perinatal asphyxia is a significant contributor to neonatal brain injury. However, there is significant variability in neurological outcome in neonates after global hypoxia-ischemia. The aims of this study were to identify which physiological response/s during global hypoxia-ischemia influence the severity of brain injury and to assess their relative importance. Hypoxia/hypercapnia was induced in 20 anaesthetized piglets by reducing the inspired oxygen fraction to 10% and the ventilation rate from 30 to 10 breaths per minute for 45 min. Neurological outcome was assessed using functional markers including cerebral function amplitude (via electroencephalography) and cerebral impedance, and the structural marker microtubule associated protein-2 by immunohistochemistry at 6 h post hypoxia. Significant variability in neurological outcome was observed following the constant hypoxia/hypercapnia insult. There was a high degree of variability in cardiovascular function (mean arterial blood pressure and heart rate) and serum cortisol concentrations in response to hypoxia. More effective maintenance of cardiovascular function and higher serum cortisol concentrations were associated with a better outcome. These two variables were strongly associated with neurological outcome, and together explained 68% of the variation in the severity of neurological outcome. The variability in the cardiovascular and cortisol responses to hypoxia may be a more important determinant of neurological outcome then previously recognized.     

Dimensions of online behavior: toward a user typology.

Online behavior refers to organized (e.g., search) and unorganized (e.g., browse) interactions with both human (e.g., chat) and nonhuman (e.g., database) elements in online environments. The salient features of online behavior are conceptualized as sociability (human connection motives), utility (efficiency orientation), and reciprocity (cognitive stimulation and active involvement). Recently published factor analytic studies support the validity of these three dimensions of online behavior. The proposed Brief Test of Online Behavior (BTOB) contains five rating scale items that determine user position on each dimension of online behavior (i.e., 15 items in total). A typology of online behavior emerges as BTOB scores position users in the three-dimensional space created by the intersection of sociability, utility, and reciprocity. Subsequent research may validate the proposed dimensions of online behavior, establish practical applications of the BTOB, and connect type of user with cognitive, social, and emotional outcomes. For example, users who score high on sociability and reciprocity but low on utility may learn best in interactive and stimulating online environments, which necessarily include self-regulating software.