Tomorrow is created here.

Google Search


Department of Psychology

Sarah Johnson

PhD4
Advisor: Suzanne Erb

 

CONTACT
PHONE
FAX
EMAIL
416-287-5612
416-287-7642
s.johnson@utoronto.ca


Research

I am interested in how emotionally loaded experiences alter brain structure,
and how changes in cellular architecture shape subsequent behaviour. For my
M.Sc. thesis, I examined the impact of chronic stress on neuronal structure
and resilience in the amygdala. I also demonstrated that treatment with
mood stabilizing drugs protects the amygdala from the adverse effects of
chronic stress. Given that the amygdala is a brain region that processes
not only aversive and stressful experiences, but also positive, reinforcing
ones, I joined Dr. Erb's lab to consider its role in encoding and retaining
memories for drug experience. My current research is focused on identifying
structural and functional changes in amygdalar neurons after exposure to
psychostimulant drugs, such as cocaine.