When a prolonged observation of groups of rats in a seminatural environment is used as testing procedure, different behavioral patterns are shown compared with what observed in a pair housed in a small cage. Males and females copulate simultaneously, they show a promiscuously and random copulatory pattern. Females remain completely receptive from the first lordosis displayed in the period of behavioral ...

The role of the default-mode network (DMN) in the emergence of mind wandering and task-unrelated thought has been studied extensively. In parallel work, mind wandering has been associated with neuromodulation via the locus coeruleus (LC) norepinephrine (LC-NE) system. Here we propose a neural model that links the two systems in an integrative framework. The model attempts to explain how dynamic ...

Psychological theory is advanced through empirical tests of predictions derived from quantitative cognitive models. As cognitive models are developed and extended, they tend to increase in complexity–leading to more precise predictions–which places concomitant demands on the behavioral data used to discriminate between candidate theories. To aid discrimination between cognitive models and, more ...

Frafall fra utdanning er et hyppig debattert tema både i Norge og andre steder. Denne opptattheten av å redusere frafallet har blant annet bakgrunn i de mange positive konsekvensene utdanning har for helse, jobbstatus og økonomi. Statistikkene viser at flere gutter enn jenter slutter, og at frafallet er størst på yrkesfagene. Foreldres utdanningsnivå betyr mye for om elevene fullfører eller ikke. ...

This study aims to investigate whether change in sleep duration and insomnia symptoms in the postpartum period is related to change in body mass index from before to 2 years after pregnancy. This study is based on self-report data from a Norwegian cohort, the AHUS Birth Cohort Study. Data were collected at 8 weeks (T1) and 2 years (T2) postpartum. Data from 812 women were analyzed. The results ...

Sex differences in typical development can provide context for understanding ASD. It has been suggested that ASD could be considered an extreme expression of normal male, compared to female, phenotypic profiles. In this paper, sex-specific M-CHAT scores from N=53,728 18-month old toddlers, including n=185 (32 females) receiving an ASD diagnosis, were examined. Results suggest a nuanced view of the ...

Individual differences in student learning influence academic performance, and two aspects influencing the learning process are the particular learning approach the students use and procrastination behaviour. We examined the relationships between learning approaches, procrastination and academic achievement (measured 1 year later as the grade point average (GPA)) amongst 428 first-year university ...

The aim of this study was to investigate the association between well-known diseases and fear of them in individuals over 50 years of age. Information on the fear of diseases can be relevant for both public health information purposes and clinical setting diagnostics. However, very few studies have investigated the fear of diseases in individuals over the age of 50. We used an electronic survey ...

Given the complexity of green public procurement, decisions are likely to be driven by bounded rationality. However, we know little about what determines supplier selection criteria in any given situation. This study explores buyer behavior when considering environmental criteria. We first conducted interviews and identified 12 operational procedures used by buyers. We then developed a survey to ...

A cognitive bias often reported for schizophrenia is the tendency to make decisions based on little evidence, namely the jumping to conclusions (JTC) bias. The beads task (Huq et al., 1988) is the most commonly used task to investigate the JTC and different attempts were made to explain the JTC. One proposition is that patients might miscomprehend the task and assume volatility, i.e. a change of ...