Memory distrust and acceptance of misinformation

Relying on a community sample (N = 80), the present study examined whether memory distrust is related to an increased tendency to accept misinformation and whether it interacts with passage of time. Participants were shown video footage of an armed robbery. Approximately 30 minutes later, they were asked to describe as accurately as possible what they had seen. Either 1 day or 2 weeks later they were presented with their own statements, to which five misinformation items had been added. The results showed that people suffering from memory distrust accepted more misinformation than those with optimistic beliefs about their memory. In addition, both age and free recall seemed to modulate this relationship. However, memory evaluation did not interact with time interval. Copyright © 2009 John Wiley & Sons, Ltd.     

A cross-cultural validation of stage development: A Rasch re-analysis of longitudinal socio-moral reasoning data

Kohlberg's characterization of moral development as displaying an invariant hierarchical order of structurally consistent stages is losing ground. However, by applying Rasch analysis, Dawson recently gave new interpretation and support to his characterization of stage development. Using Rasch models, we replicated and strengthened her findings in a re-analysis of three sets of longitudinal socio-moral reasoning data collected in Iceland. A new application of Rasch analysis provided support for upward development. Our results supported Kohlberg's characterization of stage development and the cross-cultural stability of Dawson's findings that were exclusively based on US samples. We conclude that proposals to replace Kohlberg's characterization of moral development are premature.     

Self-reported parental abuse relates to autobiographical memory style in patients with eating disorders

Previous research has shown a relationship between levels of self-reported childhood abuse and overgeneral memory style. This relationship was further clarified in patients with an eating disorder (ED). Patients and healthy controls completed a task in which they had to generate specific autobiographical memories to emotional cue words. The results showed that first, the ED group, relative to the controls, produced more first memories that were "overgeneral" and fewer first memories that were specific. Second, in the ED group, the level of self-reported parental abuse was positively correlated with the tendency to produce overgeneral memories to negative cues. This effect remained significant even after levels of depressed mood were controlled for.     

Sketches from a design process: creative cognition inferred from intermediate products

Novice designers produced a sequence of sketches while inventing a logo for a novel brand of soft drink. The sketches were scored for the presence of specific objects, their local features and global composition. Self-assessment scores for each sketch and art critics' scores for the end products were collected. It was investigated whether the design evolves in an essentially random fashion or according to an overall heuristic. The results indicated a macrostructure in the evolution of the design, characterized by two stages. For the majority of participants, the first stage is marked by the introduction and modification of novel objects and their local and global aspects; the second stage is characterized by changes in their global composition. The minority that showed the better designs has a different strategy, in which most global changes were made in the beginning. Although participants did not consciously apply these strategies, their self-assessment scores reflect the stages of the process.     

Colour constancy in goldfish and man: influence of surround size and lightness

Colour constancy was investigated by using a series of 10 simultaneously presented surface colours ranging in small steps from green through gray to red-purple. Goldfish were trained to select one medium test field when the entire setup was illuminated with white light. In the tests, either red or green illumination was used. Colour constancy, as inferred from the choice behaviour, was perfect under green illumination when the test fields were presented on a gray or a white background, but imperfect on a black background. Under red illumination and a white background, however, colour constancy was overcompensated. Here, a colour contrast effect was observed. The influence of background lightness was also found when the surround was restricted to a narrow annulus of 4-11 mm width (test field diameter: 14 mm). By applying colour metrics it could be shown that the von Kries coefficient law can describe the overall effect of colour constancy. For an explanation of the effect of surround size and lightness, lateral inhibitory interactions have to be assumed in addition, which are also responsible for simultaneous colour contrast. Very similar results were obtained in experiments with the same colours in human subjects. They had to name the test field appearing 'neutral' under the different illumination and surround conditions, as tested in the goldfish experiment.     

Retrieval-induced forgetting is associated with increased positivity when imagining the future

People often think of themselves and their experiences in a more positive light than is objectively justified. Inhibitory control processes may promote this positivity bias by modulating the accessibility of negative thoughts and episodes from the past, which then limits their influence in the construction of imagined future events. We tested this hypothesis by investigating the correlation between retrieval-induced forgetting and the extent to which individuals imagine positive and negative episodic future events. First, we measured performance on a task requiring participants to imagine personal episodic events (either positive or negative), and then we correlated that measure with retrieval-induced forgetting. As predicted, individuals who exhibited higher levels of retrieval-induced forgetting imagined fewer negative episodic future events than did individuals who exhibited lower levels of retrieval-induced forgetting. This finding provides new insight into the possible role of retrieval-induced forgetting in autobiographical memory.     

Impact of Genomic Counseling on Informed Decision-Making among ostensibly Healthy Individuals Seeking Personal Genome Sequencing: the HealthSeq Project

Personal genome sequencing is increasingly utilized by healthy individuals for predispositional screening and other applications. However, little is known about the impact of ‘genomic counseling’ on informed decision-making in this context. Our primary aim was to compare measures of participants’ informed decision-making before and after genomic counseling in the HealthSeq project, a longitudinal cohort study of individuals receiving personal results from whole genome sequencing (WGS). Our secondary aims were to assess the impact of the counseling on WGS knowledge and concerns, and to explore participants’ satisfaction with the counseling. Questionnaires were administered to participants (n = 35) before and after their pre-test genomic counseling appointment. Informed decision-making was measured using the Decisional Conflict Scale (DCS) and the Satisfaction with Decision Scale (SDS). DCS scores decreased after genomic counseling (mean: 11.34 before vs. 5.94 after; z = ?4.34, p < 0.001, r = 0.52), and SDS scores increased (mean: 27.91 vs. 29.06 respectively; z = 2.91, p = 0.004, r = 0.35). Satisfaction with counseling was high (mean (SD) = 26.91 (2.68), on a scale where 6 = low and 30 = high satisfaction). HealthSeq participants felt that their decision regarding receiving personal results from WGS was more informed after genomic counseling. Further research comparing the impact of different genomic counseling models is needed.     

Different aspects of anxiety as predictors of post-operative anxiety and physical complaints

Previous studies have suggested that pre-operative anxiety consists of different aspects each with its own specific influence on post-operative state. This study investigated the influence of different aspects of transient anxiety i.e. state anxiety, specific anxiety, tension, observed anxiety and the amount of thinking about surgery, on post-operative anxiety and physical complaints in 126 patients undergoing lumbar surgery. Results showed that pre-operative state anxiety, specific anxiety, tension and observed anxiety each contributed uniquely to the prediction of post-operative anxiety after control for age, sex and medical variables. Tension showed a negative contribution, indicating that, when the effects of other anxiety aspects were removed, patients with high tension showed less post-operative anxiety than patients with low tension. The three other anxiety variables showed a positive contribution. Regarding postoperative physical complaints, only specific anxiety showed a positive significant contribution to the prediction. Results will be discussed in relation to the adaptation to surgery and to Janis' theory that experiencing moderate levels of anxiety is beneficial for recovery.     

Differential cognitive substrates of verbal episodic memory performance in semantic variant primary progressive aphasia and Alzheimer’s disease

Performance on neuropsychological measures of verbal memory requires cognitive abilities beyond memory. We examined the contribution of semantic knowledge in verbal episodic memory for semantic variant primary progressive aphasia (svPPA) or Alzheimer’s disease (AD). 415 AD and 68 svPPA participants completed measures of episodic memory (visual and verbal) and semantic knowledge. A double dissociation existed visual recall predicted verbal recognition in AD, whereas semantic knowledge contributed to verbal recognition in svPPA.     

Affect and between-meal snacking in daily life: the moderating role of gender and age

Objective: Affect-related energy intake from snacks remains relatively unexplored in daily life. This study examines the associations between momentary positive affect (PA) and momentary negative affect (NA) and subsequent energy intake from snacks. In addition, the moderating role of BMI, gender, age and level of education is investigated.

Design: Adults (N = 269), aged 20–50, participated in this study. Demographics were assessed in an online composite questionnaire. An experience sampling smartphone application was used to map momentary NA/PA and energy intake (kilocalories) from snacks in the context of daily life.

Main outcome measures: Energy intake from moment-to-moment self-reported snacks in real-life settings.

Results: A significant negative main effect of momentary NA on moment-to-moment energy intake was found. The higher the momentary NA, the lower the subsequent amount of kilocalories consumed. There was no main effect with regard to PA. Interaction analyses showed that men decreased their energy intake after experiencing NA, and increased their intake after experiencing PA. No associations were found in women. Additionally, young adults (20–30) increased their energy intake after experiencing PA. No associations were found in the other age groups.

Conclusion: Interventions aiming at reducing energy intake might also address PA-related snacking in young adults and men.