Many patients who experience a traumatic injury to the brain experience major depression or other psychiatric illnesses within a year after their head injuries, according to two articles in the January issue of The Archives of General Psychiatry, one of the JAMA/Archives journals.
Mood and anxiety disorders are common complications among patients who have experienced traumatic brain injury (TBI), according to the article. Studies suggest that depression is also a common psychiatric complication of TBI, however, clinical implication of major depression following TBI have not been extensively studied.
Ricardo E. Jorge, M.D., of the University of Iowa, Iowa City and colleagues studied 91 patients with TBI, and 27 patients with multiple trauma but without any evidence of central nervous system injury as controls. The patients conditions were evaluated at three, six and twelve months after the injury, and psychiatric diagnosis was made. Neuropsychological testing and magnetic resonance imaging (MRI) of the brain were performed at the three-month follow-up visit.
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Whether you call it effervescent, fizzy, or sparkling, carbonated water is making a comeback as a beverage. Aside from quenching thirst, researchers at the University of Illinois at Urbana-Champaign have discovered a new use for these "bubbly" concoctions that will have major impact on the manufacturer of the world's thinnest, flattest, and one most useful materials -- graphene.
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Physicists at the University of Bonn have managed to create optical hollows and more complex patterns into which the light of a Bose-Einstein condensate flows. The creation of such highly low-loss structures for light is a prerequisite for complex light circuits, such as for quantum information processing for a new generation of computers. The researchers are now presenting their results in the journal Nature Photonics.
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A study led by scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg presents evidence of the coexistence of superconductivity and “charge-density-waves” in compounds of the poorly-studied family of bismuthates. This observation opens up new perspectives for a deeper understanding of the phenomenon of high-temperature superconductivity, a topic which is at the core of condensed matter research since more than 30 years. The paper by Nicoletti et al has been published in the PNAS.
Since the beginning of the 20th century, superconductivity had been observed in some metals at temperatures only a few degrees above the absolute zero (minus...
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