Posts Tagged ‘fear’
Fish can scare a dragonfly to death
U. TORONTO (CAN) — The mere presence of a predator can cause enough stress to kill a dragonfly, even when the predator can’t actually get at its prey to eat it. Continue…
Monday, October 31, 2011 6:00 - 0 Comments
Science & Technology - Jun 21, 2011 14:17 - 1 Comment
Shocking! Being scared enhances memory
WASHINGTON U.-ST. LOUIS (US) — A jolt of fear from viewing frightening or devastating images reinforces memory, but pleasant ones don’t have the same effect. (more…)
Science & Technology - Jun 20, 2011 9:27 - 1 Comment
Newbie neurons make fear hard to forget
UC BERKELEY (US) — When faced with a fearful situation, newborn neurons are able to produce a blank slate to create a strong imprint of the memory. (more…)
Health & Medicine - Apr 12, 2011 12:03 - 0 Comments
Why ‘close’ causes some to panic
EMORY (US) — People with a distorted sense of personal space are more likely to experience claustrophobic fear, new research shows. (more…)
Health & Medicine - Apr 7, 2011 10:17 - 0 Comments
Avoiding fear hikes soldiers’ PTSD risk
U. TEXAS-AUSTIN (US) — Looking only briefly at expressions of fear may indicate a susceptibility to post traumatic stress
disorder, a finding particularly concerning for soldiers fighting in Iraq and Afghanistan. (more…)
Science & Technology - Feb 4, 2011 12:10 - 0 Comments
Paving the way from nose to noggin
STANFORD (US) — A new technique that traces neural pathways across the brain is offering insight into how the brain and nose work together to sniff out fear. (more…)
Health & Medicine - Dec 17, 2010 17:49 - 3 Comments
The case of the fear-free brain
U. IOWA (US) — Spiders, snakes, and slasher flicks—even public speaking—failed to arouse feelings of terror in a woman whose amygdala was destroyed. She simply was unable to be afraid. (more…)
Health & Medicine - Dec 8, 2010 22:17 - 2 Comments
Should I stay (safe) or should I go?
U. WASHINGTON-SEATTLE (US) — Instinctively knowing how to avert danger and stay safe—or not—may depend on a brain area known as the amygdala in both humans and animals. (more…)
Science & Technology - Nov 12, 2010 12:04 - 1 Comment
Brain rides seesaw of fear
CALTECH (US) — Fear begins in your brain, and it is there—specifically in the amygdala—that it is controlled, processed, and let out of the gate to kick off the body’s response. (more…)
Science & Technology - Oct 28, 2010 16:27 - 0 Comments
Erase fear at the molecular level
JOHNS HOPKINS (US) — Researchers working with mice discovered that they can permanently erase traumatic memories by removing a protein from the region of the brain responsible for recalling fear. (more…)
Society & Culture - Jun 30, 2010 15:32 - 1 Comment
Anger, not fear, fuels war-time rally
WASHINGTON U.-ST. LOUIS (US)—It’s no secret that Americans tend to throw their support behind a sitting U.S. president when the nation is thrust into a war or other potentially violent conflict with a foreign foe—a phenomenon known as the “rally ’round the flag effect.” (more…)
Science & Technology - May 24, 2010 10:25 - 2 Comments
Fearful fish picks a fight with its reflection
STANFORD (US)—Fish faced with their reflection in a mirror get aggressive, but also show an unexpected element of fear, which they don’t show when fighting a real foe. (more…)
Health & Medicine - Apr 6, 2010 14:04 - 0 Comments
Brain is able to put fear in its place
NYU (US)—The brain is capable of holding and retrieving memories for specific fears, revealing a more sophisticated storage and recall capacity than previously thought. (more…)
Society & Culture - Mar 8, 2010 11:38 - 5 Comments
Gay youth reluctant to report cyberbullying
IOWA STATE—One out of two lesbian, gay, bisexual, or transgender (LGBT) youth have been victims of cyberbullying, according to a new survey. (more…)
Health & Medicine - Mar 3, 2010 12:26 - 0 Comments
Known drugs may help veterans with PTSD
U. TEXAS (US)—Drugs that have shown success in clinical trials for Alzheimer’s and Huntington’s diseases may also be useful in treating post-traumatic stress disorder (PTSD). (more…)
Science & Technology - Feb 8, 2010 16:16 - 3 Comments
Afraid to gamble? Blame your amygdala
CALTECH (US)—Neuroscientists have tied the human aversion to losing money to a specific structure in the brain—the amygdala. (more…)
Health & Medicine - Feb 5, 2010 13:20 - 1 Comment
Brain’s ‘fear map’ extends to new region
EMORY (US)—Draw a map of the brain when fear and anxiety are involved, and the amygdala—the brain’s almond-shaped center for panic and fight-or-flight responses—looms large. (more…)
Health & Medicine - Dec 9, 2009 18:57 - 8 Comments
Rewriting memories to erase fear
NYU (US)—Researchers have developed a non-invasive technique to block the return of fear memories in humans. The technique could lead to new ways to treat anxiety disorders. (more…)
