The neurochemical state, including adrenaline, norepinephrine, and cortisol, enhances memory, not the emotion itself.

“lots of Studies have shown that increasing autonomic arousal as measured by increases in Adrenaline or cortisol or both or any number of different measures of autonomic arousal that occurs during the exposure to the new material okay so this isn't trauma this is like new math material new history material new music material new motor skill skill material that you're trying to learn increases an autonomic rousel that occur as you're trying to so-called encode the information you're being exposed to that new information also significantly improve learning”

“increases in autonomic arousal measured by increases is in cortisol or adrenaline also called epinephrine or norepinephrine which is the sort of analog within the brain that consistently leads to better memory for information that one has been exposed to better memory for the details of that information and oftentimes better ability to work with that information to come up with new ideas with that information or to think logically about that information in new ways”