Male and female mice form memories of fearful events differently
A drug that blocks memory forming in male mice has a different effect in females
By avoiding pumas, deer are drastically changing the vegetation around them
Animals' behaviors are shaped by fear of humans, and this, in turn, affects the plants they eat
A "fight-or-flight" neurotransmitter may cause traumatic memories to stick around
Blocking noradrenaline in rats made their memories more susceptible to change
Mice need microbes to forget their fears
Germ-free and antibiotic-treated mice have impaired fear extinction
Can better sleep help protect us from trauma?
A new study suggests REM sleep may make us less vulnerable to PTSD