Neuroscience
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Controlling Key Enzyme in Brain Offers Clue For Future Obesity Treatment
Dec 15 2009 | News
The Sirt1 enzyme in the body has generated enormous attention as a possible secret to living longer. Some scientists believe that fasting and drinking wine appear to aid in this quest because both likely activate Sirt1, unleashing its power. But researchers from Brown University, Rhode Island Hospital and the University of Texas Southwestern Medical Center have discovered that Sirt1 in the brain has its own potential health benefit: It may keep people thinner.
Study Sheds Light on Brain's Fear Processing Center
Nov 30 2009 | News
Breathing carbon dioxide can trigger panic attacks, but the biological reason for this effect has not been understood. A new study by University of Iowa researchers shows that carbon dioxide increases brain acidity, which in turn activates a brain protein that plays an important role in fear and anxiety behavior.
Immune System Activated in Recent Onset Schizophrenia
Nov 18 2009 | News
Researchers at the Swedish medical university Karolinska Institutet have discovered that patients with recent-onset schizophrenia have higher levels of inflammatory substances in their brains.
Attention Deficit & Hyperactivity in a Drosophila Memory Mutant
Nov 9 2009 | Posters
Action selection is modulated by external stimuli either directly or via memory retrieval. In a constantly changing environment, animals have evolved attention-like processes to effectively filter the incoming sensory stream. These attention-like processes, in turn, are modulated by memory. The neurobiological nature of how attention, action selection and memory are inter-connected is unknown. We describe here new phenotypes of the memory mutant radish in the fruit fly Drosophila.