« Whenever we have to acquire new knowledge under stress, the brain
deploys unconscious rather than conscious learning processes.
Neuroscientists at the Ruhr-Universität Bochum have discovered that this
switch from conscious to unconscious learning systems is triggered by
the intact function of mineralocorticoid receptors. These receptors are
activated by hormones released in response to stress by the adrenal
cortex. » Suite de l'article, Science Daily.