Recently I was watching some stories on Reels and came across videos of children getting the surprise gift of a new puppy. Almost all of them cried. There are many other examples of this response by adults: the announcement of a pregnancy, a serviceman coming home and surprising the family, watching an emotional movie. That made me wonder what is behind this reaction, so I did some research that I found interesting. I hope you do as well.
According to the website PSYPOST, “Crying is a complex biological response to emotional overload – and it doesn’t discriminate between good and bad feelings. Whether triggered by grief or elation, tears are often the result of our brain attempting to process more than it can manage in the moment.
Both positive and negative emotions activate the limbic system, the part of the brain involved in processing feelings and memory. Within this system, the amygdala – an almond-shaped cluster of neurons – acts as an emotional alarm bell, detecting arousal and signaling the body to respond.
When highly stimulated, the amygdala activates other brain areas including the hypothalamus, which controls involuntary physical functions like heartbeat, breathing and tear production.
Another key structure is the anterior cingulate cortex, which plays a role in emotion regulation, decision-making and empathy. It helps coordinate the brain’s response to emotional conflict, such as experiencing joy and sadness at the same time. These overlapping pathways explain why a sudden surge of happiness can still produce a reaction typically associated with distress.
Scientists believe happy crying is a form of emotional homeostasis: a way of bringing us back to equilibrium after an emotional high. Crying activates the parasympathetic nervous system, which slows the heart rate and relaxes the body after the adrenaline spike of intense feeling. In other words, tears help us calm down.”
I found this information to be yet another example of how amazing our bodies, especially our brains, are. They have built in mechanisms to protect us and allow us to cope with highly emotional moments. I think we can actually enjoy emotional moments more because our brains know just what to do in those moments.
Invitation for Reflection
- Have you experienced happy moments when your emotions overwhelmed you and you cried? Did your tears surprise you?
- Did the brain information in this blog clarify what your brain is doing in these moments and why it is doing so?
- Can you think of family members and friends who might benefit from learning this information?
Diane Wagenhals
Director Emeritus, Lakeside Global Institute
