Our understanding of brain activity has traditionally been linked to specific brain areas – an area associated with speech, vision, etc. – but Belgian scientists say this view may be overly rigid. Their experiments reveal waves of activity across the entire cerebral cortex when a given task is initiated. “The brain can be studied on […]
Tag Archives | challenge
Confrontation, Defeat Can Cause Serious Heart Problems
Soldiers, athletes, or anyone in a high-stress occupation, often say that they become “hardened” to adversity and defeat. But a new animal study suggests that although the body may temporarily adjust to stress, the risk for long-term cardiac problems may be the consequence of daily exposure to confrontation. Most available animal studies focus on cardiac […]
Oral Bacteria Can Block HIV Infection
Strains of bacteria that occur naturally in the human mouth can snare the HIV virus and even cells it has infected, according to researchers at the UIC College of Dentistry. The findings were reported at the 104th General Meeting of the American Society for Microbiology. The researchers found that the bacteria latched onto the sugar […]