Even the subtlest hints of anger or hostility in their environment sets physically abused children on prolonged alert, even if a conflict has nothing to do with them.
The tendency to stay attentive of nearby discord is probably a natural form of self-preservation in children who routinely face aggression. But it may also explain why abused children are often so distracted at school, write researchers from the University of Wisconsin-Madison, in the journal Child Development (September 14, 2005).
Led by Seth Pollak, a professor of psychology, psychiatry and pediatrics, the UW-Madison team tracked biological markers in 11 abused four and five-year olds who play a computer game in one room when suddenly a clearly audible, heated argument erupts between students next door.
Seth Pollak | EurekAlert!
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High in calories and low in nutrients when adolescents share pictures of food online
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Physicists from the University of Würzburg have designed a light source that emits photon pairs. Two-photon sources are particularly well suited for tap-proof data encryption. The experiment's key ingredients: a semiconductor crystal and some sticky tape.
So-called monolayers are at the heart of the research activities. These "super materials" (as the prestigious science magazine "Nature" puts it) have been...
Ultrafast lasers have introduced new possibilities in engraving ultrafine structures, and scientists are now also investigating how to use them to etch microstructures into thin glass. There are possible applications in analytics (lab on a chip) and especially in electronics and the consumer sector, where great interest has been shown.
This new method was born of a surprising phenomenon: irradiating glass in a particular way with an ultrafast laser has the effect of making the glass up to a...
Terahertz excitation of selected crystal vibrations leads to an effective magnetic field that drives coherent spin motion
Controlling functional properties by light is one of the grand goals in modern condensed matter physics and materials science. A new study now demonstrates how...
Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant step towards to the realization of a scalable quantum computer.
"The quantum socket is a wiring method that uses three-dimensional wires based on spring-loaded pins to address individual qubits," said Jeremy Béjanin, a PhD...
In a paper in Scientific Reports, a research team at Worcester Polytechnic Institute describes a novel light-activated phenomenon that could become the basis for applications as diverse as microscopic robotic grippers and more efficient solar cells.
A research team at Worcester Polytechnic Institute (WPI) has developed a revolutionary, light-activated semiconductor nanocomposite material that can be used...
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