Rebecca Gallo

Exploring the role of octopamine on personality and fear responses in Gryllus bimaculatus.

My friend John and me. Picture by Kristoffer Lundgren.

Have you ever wondered why some people freeze when they are scared while others start running away?

If you are curious to know it, keep reading!

In my Master’s thesis project, I investigated the variation in fear responses to understand if there is a link with octopamine and personality. To do so, I assessed the personality of each individual in my population, manipulated octopamine, and observed the fear response to one and repeated stimuli.