Publications by authors named "Kruijt A"

Article Synopsis
  • The distribution of modern shallow-water tropical corals is primarily influenced by temperature, thriving only in waters above 16-18°C year-round.
  • Researchers tested whether solar radiation limits the spread of coral reefs toward the poles during warmer climates, using a new model for coral calcification.
  • Findings indicate that calcification rates significantly decline past 40° latitude and severely drop after 50° latitude due to less winter daylight, implying that light availability restricts coral reef expansion, not temperature alone, and that fossil coral distribution is not a reliable indicator for water temperatures in these areas.
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Objective: To describe for the Dutch population the lifetime risk to be diagnosed with or to die from cancer.

Design: The cancer incidence and death rates of 1990-2019 were analyzed by 5-year periods.

Method: For the calculations cancer incidence rates were used from the Netherlands Cancer Registry.

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Background: Attentional bias modification (ABM) aims to reduce anxiety by attenuating bias towards threatening information. The current study incorporated virtual reality (VR) technology and 3-dimensional stimuli with a person-identity-matching (PIM) task to evaluate the effects of a VR-based ABM training on attentional bias and anxiety symptoms.

Methods: One hundred participants with elevated social anxiety were randomised to four training groups.

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Background: Attentional bias modification (ABM) aims to reduce anxiety by attenuating bias toward threatening information. The current study incorporated virtual reality (VR) technology and three-dimensional stimuli with a dot-probe task to evaluate the effects of a VR-based ABM training on attentional bias and anxiety symptoms.

Methods: A total of 100 participants were randomized to four training groups.

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Considerable effort and funding have been spent on developing Attention Bias Modification (ABM) as a treatment for anxiety disorders, theorized to exert therapeutic effects through reduction of a tendency to orient attention toward threat. However, meta-analytical evidence that clinical anxiety is characterized by threat-related attention bias is thin. The largest meta-analysis to date included dot-probe data for n = 337 clinically anxious individuals.

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Background: New indices, calculated on data from the widely used Dot Probe Task, were recently proposed to capture variability in biased attention allocation. We observed that it remains unclear which data pattern is meant to be indicative of dynamic bias and thus to be captured by these indices. Moreover, we hypothesized that the new indices are sensitive to SD differences at the response time (RT) level in the absence of bias.

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Studies associating interactions of 5-HTTLPR and life adversities with depression have yielded equivocal results. Studying endophenotypes may constitute a more powerful approach. In the current study, it was assessed whether interactions of 5-HTTLPR with childhood emotional abuse (CEA) and recent negative life events (RNLE) affect possible cognitive endophenotypes of depression, namely, attention-allocation bias and the ability to recognise others' mind states in 215 young adults of North-West European descent.

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Background: It has been proposed that worry in individuals with Generalized Anxiety Disorder may be reinforced by a positive effect of worry on decision making, as reflected by a steeper learning curve on the Iowa Gambling Task (IGT). We hypothesized that this apparent positive effect of worry is dependent on the IGT parameters, in particular the absence of an opportunity to avoid decisions.

Objective: (1) To replicate previous findings on the effect of worry on IGT performance.

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Background: Cognitive reactivity to sad mood is a vulnerability marker of depression. Implicit self-depressed associations are related to depression status and reduced remission probability. It is unknown whether these cognitive vulnerabilities precede the first onset of depression.

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Background. Attention bias modification (ABM) is a new treatment for affective disorders. A meta-analysis of ABM for anxiety disorders showed that the effect size may be large but the number of studies is low.

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Background And Objectives: Attentional Bias Modification (ABM) may constitute a new type of treatment for affective disorders. ABM refers to computerized training programs that have been developed based on laboratory findings in experimental psychology. Meta-analyses have reported moderate effect sizes in anxiety disorders.

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Monoamine oxidase A (MAOA) genotypic variation has been associated with variation in aggression, especially in interaction with childhood trauma or other early adverse events. Male carriers of the low-expressing variant (MAOA-L) with childhood trauma or other early adverse events seem to be more aggressive, whereas female carriers with the high-expressing variant (MAOA-H) with childhood trauma or other early adverse events may be more aggressive. We further investigated the effects of MAOA genotype and its interaction with sex and childhood trauma or other early adverse events on aggression in a young adult sample.

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During social interactions we automatically infer motives, intentions, and feelings from bodily cues of others, especially from the eye region of their faces. This cognitive empathic ability is one of the most important components of social intelligence, and is essential for effective social interaction. Females on average outperform males in this cognitive empathy, and the male sex hormone testosterone is thought to be involved.

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Accumulating evidence has shown that a polymorphism in the promoter region of the serotonin-transporter (5-HTTLPR) modulates neural activation during the perceptual processing of emotional facial expressions. Furthermore, behavioral research has shown that attentional bias for negative information is increased in s allele carriers. We examined the interactions among 5-HTTLPR (including SNP rs25531), life events and gender on the detection of facial emotions.

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