Skip Navigation
Search

Ryan Parsons, Ph.D.


University of Wisconsin-Milwaukee (2008)
Assistant Professor, Integrative Neuroscience
 
Dr. Parsons plans to admit a new graduate student pending approval of funding.

Parsons

Contact:

ryan.parsons@stonybrook.edu
Office: Psychology B-320

Phone: (631) 632-4797

Visit Website

Google Scholar Profile

Research Interests:

Fear learning, memory consolidation, memory reconsolidation, fear extinction, anxiety, neural plasticity.

Current Research:

The primary focus of my research is to investigate the neurobiological mechanisms supporting learning and memory using Pavlovian fear conditioning in rats as a model system.  Not only does the study of fear conditioning lend itself well towards answering basic questions about how the brain supports learning and memory, but it has the potential to further the understanding of fear and anxiety based psychopathologies like posttraumatic stress disorder.  My research uses this form of learning to understand plasticity in the brain circuits underlying behavioral phenomena such as acquisition and consolidation of memory, the reconsolidation of memory after retrieval, extinction learning, and memory maintenance.  My lab defines the neurobiological basis of these complex behavioral phenomena using targeted pharmacological and chemogenetic manipulations, and molecular biology techniques such as immunohistochemistry and western blotting.

Representative Publications:  

Cole, K.E., Lee, J., Davis, M., Parsons, R.G. (2019). Subthreshold fear conditioning produces a rapidly developing neural mechanism that primes subsequent learning. eNeuro, doi: 10.1523/ENEURO.0113-19.2019 


Voulo, M.E., and Parsons, R.G. (2019). Gonadal hormone fluctuations do not affect the expression or extinction of fear potentiated startle in female rats. Behavioral Neuroscience, doi:10.1037/bne0000324 


Russo, A. S., Lee, J., & Parsons, R.G. (2019). Individual variability in the recall of fear extinction is associated with phosphorylation of mitogen-activated protein kinase in the infralimbic cortex. Psychopharmacology (Berl), 236, 2039–2048


Lee, J., Russo, A.R., & Parsons, R.G. (2018). Facilitation of fear learning by prior and subsequent fear conditioning.  Behavioural Brain Research, 347, 61-68 


Parsons, R.G. (2018). Behavioral and neural mechanisms by which prior experience impacts subsequent learning. Neurobiology of Learning and Memory, 154, 22-29

 
Voulo, M.E., & Parsons, R.G. (2017). Response-specific sex difference in the retention of fear extinction.  Learning and Memory, 24, 245 –251 


Russo, A.R., & Parsons, R.G. (2017).  Acoustic startle response in rats predicts inter-individual variation in fear extinction. Neurobiology of Learning and Memory, 139, 157-164