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Latest Vigilance Stories

2014-05-07 11:11:04

George Washington University (GW) researcher David Mendelowitz, Ph.D., was recently published in the Journal of Neuroscience for his research on how heart rate increases in response to alertness in the brain. Specifically, Mendelowitz looked at the interactions between neurons that fire upon increased attention and anxiety and neurons that control heart rate to discover the “why,” “how,” and “where to next” behind this phenomenon. “This study examines how changes in alertness...

2013-02-14 13:34:14

Israeli soldiers tracked through deployment to ID predictors -- NIH study Soldiers preoccupied with threat at the time of enlistment or with avoiding it just before deployment were more likely to develop post-traumatic stress disorder (PTSD), in a study of Israeli infantrymen. Such pre-deployment threat vigilance and avoidance, interacting with combat experience and an emotion-related gene, accounted for more than a third of PTSD symptoms that emerged later, say National Institutes of...

Meerkats Climb To Hide From Predators
2013-02-05 18:13:09

Brett Smith for redOrbit.com — Your Universe Online [ Watch the Video: Meerkat Predator-Scanning Behaviour Is Altruistic ] In studying the behaviors of animals, biologists are often looking to see if a species exhibits more individualistic or collectivist tendencies in their typical habits. When foraging for food, meerkats often stand on their hind legs or climb to a perch in an attempt to scan for predators and, upon spotting a threat, the animals let out a series of warning...


Word of the Day
kenspeckle
  • Having so marked an appearance as easily to be recognized.
This word may come from the Swedish 'kanspak,' quick at recognizing persons or things, or else from confusion with 'conspicuous.'