One of the most debilitating aspects of schizophrenia is an apparent interest in or ability to exert effort for rewards. Such "negative symptoms" may prevent individuals from obtaining potentially beneficial outcomes in educational, occupational, or social domains. In animal models, dopamine abnormalities decrease willingness to work for rewards, implicating dopamine (DA) function as a candidat...

Conceptually, motivation can be separated into two types, intrinsic and extrinsic. Intrinsic motivation involves goal-directed behaviors that meet internal psychological needs, while extrinsic motivation involves behaviors executed to obtain external reward or avoid punishment. Both these types of motivation are diminished in psychosis and are linked to amotivation and anhedonia, two of the neg...

Using cognitive dissonance theories and selfdetermination theory, we explored the role of individual differences in global and contextual motivational orientations on dissonance arousal processes following spontaneous attitude–behaviour inconsistencies (ABIs). Study 1 (N = 382) showed that individual differences in global motivation relate to the frequency of ABIs and dissonance arousal across ...

This study aimed to analyse the relationships between the satisfaction of basic psychological needs, motivation and satisfaction in physical education classes, as well as to examine these relationships by gender. Eight hundred and fifty-four secondary school students (405 boys and 453 girls, aged 15 to 21 years) participated in this study by responding to questionnaires designed to measure the ...

BACKGROUND Mindfulness is an increasingly popular construct with promise in enhancing multiple positive health outcomes. Physical activity is an important behavior for enhancing overall health, but no Spanish language scale exists to test how mindfulness during physical activity may facilitate physical activity motivation or behavior. This study examined the validity of a Spanish adaption of a ...

Confirmatory factor analysis (CFA) was used to examine the underlying structure of the negative symptoms of schizophrenia as measured by the Scale for the Assessment of Negative Symptoms (SANS). Schizophrenia patients (AT = 457) were assessed with the SANS on at least I of 2 occasions: (a) 2-4 weeks after an index hospitalization, and (b) after a clinical stabilization period that lasted 3-6 mo...

BACKGROUND Little research has explored who responds better to an automated vs. human advisor for health behaviors in general, and for physical activity (PA) promotion in particular. The purpose of this study was to explore baseline factors (i.e., demographics, motivation, interpersonal style, and external resources) that moderate intervention efficacy delivered by either a human or automated a...

OBJECTIVE This cross-sectional study examined the association between psychiatric symptoms and motivation for physical activity within the self-determination theory (SDT) framework in people with schizophrenia. METHOD Over a 4-month period, 55 (17♀) inpatients with a DSM-V diagnosis of schizophrenia were assessed with the Psychosis Evaluation tool for Common use by Caregivers (PECC) and the B...