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Control Of Fear In The Brain Decoded


September 8, 2011
by ken

From Medical News Today

Emotional balance is regulated by molecular factors behind stress
response. When healthy people are faced with threatening situations,
they react with a suitable behavioural response and do not descend into a
state of either panic or indifference, as is the case, for example,
with patients who suffer from anxiety.

With the help of genetic studies on mice, scientists from the Max Planck
Institute of Psychiatry
have discovered two opposing neuronal
regulatory circuits for the generation and elimination of fear. Both are
controlled by the stress-inducing messenger substance
corticotropin-releasing hormone (CRH) and its type 1 receptor (CRHR1).

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