Not exact matches
Disruptions to the ability of developing brain cells to
form branching connections with other cells, using a specific microRNA — miR - 9, was associated with an increase in the strength of
fear - related
memories in adulthood.
Scientists from the Florida campus of The Scripps Research Institute (TSRI) have now for the first time identified a sub-region in the brain that works to
form a particular kind of
memory:
fear - associated with a specific environmental cue or «contextual
fear memory.»
Puthanveettil and his colleagues also discovered that if they inhibited new protein synthesis in the prelimbic region right after
fear conditioning took place, those
memories did not
form.
Because the
memory is made unstable before exposure and re-saved in its weakened
form, the
fear does not return as easily.
These reports suggest that explicit
memory may not be an absolute requirement for PTSD, whereas other
forms of learning, such as
fear conditioning, may be required.
The scientists believe that intercalated cells
form «extinction
memories,» which associate something previously
feared (such as an air raid siren or a car backfiring) with a harmless outcome.
In a study reported in Nature Neuroscience, they succeeded in shutting down a neuronal mechanism by which
memories of
fear are
formed in the mouse brain.
This research has been replicated many times with different
forms of stereotyping, always resulting in the same conclusion each time:
fear of confirming a negative stereotype impacts performance, whether it is older individuals who are stereotyped for losing their
memory or women stereotyped for not being good at math.
It may be joy that she felt, or anger, or
fear; it may be an image
formed from bits and pieces of a
memory she was holding in her head, or a beloved landscape she was holding in her heart.
Think about the family of emotions from Pixar's movie Inside Out - how family of emotions, Joy, Sadness,
Fear, Disgust and Anger all interacted inside Riley Anderson's mind to
form her reactions and
memories.
Instead of letting
fear «drive» either of us in that moment, we would've taken a breath, acknowledged what was happening up in «headquarters» and gone to bed that night talking about the new «core
memory» that we
formed together.