Skip to content

New Light on the Stress Response

December 4, 2011

Neuroscientists long ago fingered two “stress” hormones — cortisol and noradrenaline — as playing key roles in the fight-or-flight stress response. Today, a study in Science helps confirm that noradrenaline, not cortisol, triggers the transition to a different level of attention.

“Many people thought cortisol would have an effect on the attention process in the early phase, but our study shows cortisol probably is not as important” as noradrenaline, says first author Erno Hermans, of the Donders Institute for Brain, Cognition and Behaviour at Radboud University Nijmegen Medical Center in Holland.

Read the articles Brain under Threat and Brain rapidly gears up for fight or flight under stress

Advertisements
No comments yet

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: