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Regular physical exercise contributes to marked reductions in psychosocial stress, the enhancing of positive affect and well-being. However, affect can be measured as high (e.g., engaged) or low (e.g., content) activation affect. To ascertain further these interactions, we examined the relationship between exercise frequency (i.e., how often an individual(More)
BACKGROUND The Child and Adolescent Twin Study in Sweden (CATSS) is an on-going, large population-based longitudinal twin study. We aimed (1) to investigate the reliability of two different versions (125-items and 238-items) of Cloninger's Temperament and Character Inventory (TCI) used in the CATSS and the validity of extracting the short version from the(More)
1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) induces permanent neurochemical and functional deficits. Following the administration of either two or four injections of the dopamine neurotoxin, MPTP, at a dose of 40 mg/kg, C57/BL6 mice were given access to running-wheels (30-min sessions, four times/week, Monday-Thursday) and treatment with the treated(More)
The neurodegenerative and neurotoxic aspects of schizophrenia and/or psychosis involve genetic, epigenetic, and neurotoxic propensities that impinge upon both the symptom domains and the biomarkers of the disorder, involving cellular apoptosis/excitotoxicity, increased reactive oxygen species formation, viral and bacterial infections, anoxic birth injury,(More)
BACKGROUND Mediation analysis investigates whether a variable (i.e., mediator) changes in regard to an independent variable, in turn, affecting a dependent variable. Moderation analysis, on the other hand, investigates whether the statistical interaction between independent variables predict a dependent variable. Although this difference between these two(More)
Introduction. This study addresses the need to further contextualize research on well-being (e.g., Kjell, 2011) in terms of cross-cultural aspects of personality traits among adolescents and by examining two different conceptualizations of well-being: subjective well-being (i.e., life satisfaction, positive and negative affect) and psychological well-being(More)
In order to predict Subjective Well-Being (SWB) or happiness two of the major determinants may be 1) A genetic set point (which reflects personality) and 2) Current intentional activities (be-havioral, cognitive, and motivational). In this context , personality can be considered as psycho-biological—composed of temperament (i.e., what grabs our attention(More)
Background. The affective profiles model categorizes individuals as self-fulfilling (high positive affect, low negative affect), high affective (high positive affect, high negative affect), low affective (low positive affect, low negative affect), and self-destructive (low positive affect, high negative affect). The model has been used extensively among(More)
Positive (PA) and negative affect (NA) are two separate systems markers of subjective well-being and measures of the state depression (low PA combined with high NA). The present study investigated differences in temperament, character, locus of control, and depressive symptoms (sleep quality, stress, and lack of energy) between affective profiles in an(More)