Learn More
The level of childhood immunisation is an acknowledged indicator for health prevention. In Germany, vaccination is not compulsive. Continuous representative data derive only from school health examinations. From May 2003 until May 2006 the German Health Interview and Examination Survey for Children and Adolescents (KiGGS) was conducted and vaccination(More)
CONTEXT Oxytocin (OT) plays a key regulatory role in human social behaviour. While prior studies have examined the effects of OT on observable social behaviours, studies have seldom examined the effects of OT on psychophysiological markers such as heart rate variability (HRV), which provides an index of individual's motivation for social behaviour.(More)
The present study evaluated the possibility of collecting cardiac vagal tone data using a photoplethysmograph, and its stability and continuity in a longitudinal sample of early-school aged children. A method for the optical (i.e., blood volume pulse) estimation of heart rate was established in a pilot study. Then the longitudinal stability and continuity(More)
Although key differences have been found in boys' and girls' prosocial behavior toward peers, few studies have systematically examined gender differences in how intrinsic perspective-taking abilities-theory of mind (ToM) and emotion understanding (EU)-and the extrinsic peer environment relate to prosocial behavior. In this prospective longitudinal study, we(More)
  • 1