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"BreaThink"
(2021)
Cognition is shaped by signals from outside and within the body. Following recent evidence of interoceptive signals modulating higher-level cognition, we examined whether breathing changes the production and perception of quantities. In Experiment 1, 22 adults verbally produced on average larger random numbers after inhaling than after exhaling. In Experiment 2, 24 further adults estimated the numerosity of dot patterns that were briefly shown after either inhaling or exhaling. Again, we obtained on average larger responses following inhalation than exhalation. These converging results extend models of situated cognition according to which higher-level cognition is sensitive to transient interoceptive states.
"Briefe wie gemahlt"
(2007)
Am 19. Dezember 1831 wurde der verdienstvolle Mikrobiologe Christian Gottfried Ehrenberg zum korrespondierenden Mitglied des Institut de France gewählt. Alexander von Humboldt, der Ehrenberg als Wissenschaftler hoch schätzte, hat sich energisch für diese Wahl eingesetzt. Ein Zeugnis seines Engagements ist ein Brief an den Mediziner Antoine Baron Portal (1742-1832), den er um seine Stimme bei der bevorstehenden Wahl bat. Die Geschichte der Wahl Ehrenbergs in Verbindung mit diesem Brief und die Gründe für Humboldts Interesse daran sollen hier kurz skizziert werden.
"Bürokratieabbauer" im Aufwind : erste Erfahrungen mit der Anwendung des Standardkosten-Modells
(2009)
An alternative method for the structure tuning of carbon nitride materials by using a supramolecular approach in combination with caffeine as lining-agent is described. The self-assembly of the precursor complex consisting of melamine and cyanuric acid can be controlled by this doping molecule in terms of morphology, electronic, and photophysical properties. Caffeine is proposed to insert as an edge-molecule eventually leading to hollow tube-like carbon nitride structures with improved efficiency of charge formation. Compared to the bulk carbon nitride, the caffeine-doped analogue possesses a higher photocatalytic activity for the degradation of rhodamineB dye. Furthermore, this approach is also shown to be suitable for the modification of carbon nitride electrodes.
This article provides a survey of the research carried out by Celtic scholars in Germany during the 15 years between 1980 and 1995. It is based on the respective bibliography published in 'Studia Celtica Japonica' 9 (1997). The major research fields covered are IE Studies, Celtic philology, linguistics, literature, archaeology and cultural studies.
Background: There is an increasing awareness of the impact of parental risk perception on the weight course of the child and the parent's readiness to engage in preventive efforts, but only less is known about factors related to the parental perception of the right time for the implementation of preventive activities. The aim of this study was to examine parental perceptions of the appropriate time to engage in child weight management strategies, and the factors associated with different weight points at which mothers recognize the need for preventive actions.
Methods: 352 mothers with children aged 2-10 years took part in the study. We assessed mothers' perceptions of the actual and preferred weight status of their child, their ability to identify overweight and knowledge of its associated health risks, as well as perceptions of the right time for action to prevent overweight in their child. A regression analysis was conducted to examine whether demographic and weight related factors as well as the maternal general risk perception were associated with recognizing the need to implement prevention strategies.
Results: Although most of the parents considered a BMI in the 75th to 90th percentile a valid reason to engage in the prevention of overweight, 19% of the mothers were not willing to engage in prevention until their child reached the 97th percentile. Whereas the child's sex and the identification of an elevated BMI were significant predictors for parents' recognition of the 75th percentile as right point to engage in prevention efforts, an inability to recognize physical health risks associated with overweight silhouettes emerged as a significant factor predicting which parents would delay prevention efforts until a child's BMI reached the 97th percentile.
Conclusion: Parental misperceptions of overweight and associated health risks constitute unfavorable conditions for preventive actions. Feedback on the health risks associated with overweight could help increase maternal readiness for change.