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Ted Peters 《Theology & Science》2019,17(1):79-89
The 2018 birth of two designer babies in China has sparked an immediate global controversy over the ethics of gene editing. For the longer range future, however, we must assess how CRISPR/Cas9, like so many other new bio-technologies, is forcing choice—moral choice—on a large scale. Gene editing for purposes of medical therapy, human enhancement, engineering of future children, and even creating a posthuman species, confront our society with the inescapable necessity of making moral choices. The task for churches in partnership with universities is not to decide in advance what is right or wrong. Rather, it is to prepare our people to make responsible choices. 相似文献
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Amygdala–orbitofrontal connectivity predicts alcohol use two years later: a longitudinal neuroimaging study on alcohol use in adolescence 下载免费PDF全文
Sabine Peters Jiska S. Peper Anna C.K. Van Duijvenvoorde Barbara R. Braams Eveline A. Crone 《Developmental science》2017,20(4)
This study tested the relation between cortical–subcortical functional connectivity and alcohol consumption in adolescents using an accelerated longitudinal design, as well as normative developmental patterns for these measures. Participants between ages 8 and 27 completed resting‐state neuroimaging scans at two time points separated by two years (N = 274 at T1, N = 231 at T2). In addition, participants between ages 12 and 27 reported on recent and lifetime alcohol use (N = 193 at T1, N = 244 at T2). Resting‐state connectivity analyses focused on amygdala–orbitofrontal connectivity given prior research linking reduced coupling between these regions to alcohol use. Mixed model analyses revealed that age had a cubic relationship with alcohol use, with little to no use in childhood, steep increases in adolescence and leveling off in adulthood. No age effects were found for amygdala–OFC connectivity. Prediction analyses showed that left amygdala–orbitofrontal connectivity at the first time point predicted recent and lifetime alcohol use two years later. There was no evidence for the reversed relation, suggesting that brain connectivity measures precede explorative risk‐taking behavior in adolescence, possibly because decreased subcortical–frontal connectivity biases towards more explorative or risky behavior. 相似文献
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Sarah K. Slocum Lindsay R. Mehrkam Kerri P. Peters Timothy R. Vollmer 《Behavioral Interventions》2017,32(3):234-241
Previous research on the treatment of pica (i.e., the ingestion of inedible objects) is limited compared to research on the treatment of other types of severe problem behavior. This study involved the use of differential reinforcement of alternative behavior, with a discard response as the alternative behavior, to treat pica presented by a 13‐year‐old girl with an autism spectrum disorder. We extended previous research by thinning the schedule of reinforcement for the alternative response. Substantial reductions in pica were obtained. Limitations and future directions in the treatment of pica are discussed. 相似文献
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Mara van der Meulen Jolanda Veldhuis Barbara R. Braams Sabine Peters Elly A. Konijn Eveline A. Crone 《Cognitive, affective & behavioral neuroscience》2017,17(4):712-723
Media’s prevailing thin-body ideal plays a vital role in adolescent girls’ body image development, but the co-occurring impact of peer feedback is understudied. The present study used functional magnetic resonance imaging (fMRI) to test media imagery and peer feedback combinations on neural activity related to thin-body ideals. Twenty-four healthy female late adolescents rated precategorized body sizes of bikini models (too thin or normal), directly followed by ostensible peer feedback (too thin or normal). Consistent with prior studies on social feedback processing, results showed increased brain activity in the dorsal medial prefrontal cortex (dmPFC)/anterior cingulate cortex (ACC) and bilateral insula in incongruent situations: when participants rated media models’ body size as normal while peer feedback indicated the models as too thin (or vice versa). This effect was stronger for girls with lower self-esteem. A subsequent behavioral study (N = 34 female late adolescents, separate sample) demonstrated that participants changed behavior in the direction of the peer feedback: precategorized normal sized models were rated as too thin more often after receiving too thin peer feedback. This suggests that the neural responses upon peer feedback may influence subsequent choice. Our results show that media-by-peer interactions have pronounced effects on girls’ body ideals. 相似文献
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Jessica R. Peters Tory A. Eisenlohr-Moul Brian T. Upton Nina A. Talavera Jacob J. Folsom Ruth A. Baer 《Journal of psychopathology and behavioral assessment》2017,39(3):456-466
Increased ruminative style of thought has been well documented in borderline personality disorder (BPD); however, less is known about how the content of rumination relates to domains of BPD features. Relationships between forms of rumination and BPD features were examined in an undergraduate sample with a wide range of BPD features. Participants completed self-report measures of rumination and a free-writing task about their repetitive thought. Rumination on specific themes, including anger rumination, depressive brooding, rumination on interpersonal situations, anxious rumination, and stress-reactive rumination were significantly associated with most BPD features after controlling for general rumination. Coded writing samples suggested that BPD features are associated with repetitive thought that is negative in valence, difficult to control, prolonged, unhelpful, and unresolved. Although rumination is often described as a form of self-focused attention, BPD relationship difficulties were correlated with greater other-focus in the writing samples, which may reflect more interpersonal themes. Across both self-reports and the writing task, the BPD feature of self-destructive behavior was associated specifically with anger and hostility, suggesting this content may play a particularly important role in fueling impulsive behavior. These findings suggest that both the style and the content of repetitive thought may play a role in BPD features. 相似文献
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Ted Peters 《Zygon》2005,40(4):845-862
Abstract. I take up the challenge posed by John Caiazza (2005) to face down the religiously vacuous ethics of techno‐secularism. Techno‐secularism is not enough for human fulfillment let alone human flowering. Yet, communities of faith based on the Bible have a positive responsibility to employ science and technology toward divinely appointed ends. We should study God's world through science and press technology into the service of transforming our world and our selves in light of our vision of God's promised new creation. This warrants invocation of the concept of the human being as the created co‐creator developed in the theology of Philip Hefner. 相似文献