Yes Sandy but it's not all negative is it? I'm thinking of something I read years ago that emotion can generate extra strength e.g. The story of the woman lifting a car off her child.
I know that's not emotions but I think that at times of stress we can sometimes see things more clearly. I suppose it depends on which emotion we are considering.
Yes it's adrenaline caused by the emotion of fear. I don't see where logic comes into it.
All I'm saying is that maybe there could be instances where heightened emotions could enhance reasoning. I can't think of an example yet but I'm trying.
Read Damasio's " The Feeling Of What Happens ' and you will see, due to modern neurology, that emotion and thinking and inextricably linked. Check the links between the cerebral cortex, especially the frontal lobe, and amygdala.
The cognitive physiologists, among many psychological disciplines, were wrong.