'Junk DNA' could be key to controlling fear

A piece of "junk DNA" could be the key to extinguishing fear-related memories for people struggling with post-traumatic stress disorder (PTSD) and phobia, according to a study from The University of Queensland.

Make room on the couch: Worms suffer from PTSD, too

The ability to anticipate the future is key to the survival of all living things. Like humans, worms are capable of forming associative memories—that is, memories that associate a certain sound or smell or tone of voice ...

Enzyme key to learning in fruit flies

An animal's reaction to an odor or food or other stimuli depends largely on past experiences and how they have been entered into memory.

Birds in captivity lose hippocampal mass

(PhysOrg.com) -- Being in captivity for just a few weeks can reduce the volume of the hippocampus by as much as 23 percent, according to a new Cornell study.

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