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Patricia "Sue" Grigson-Kennedy, MS, PhD

Professor and Chair, Department of Neural and Behavioral Sciences
Penn State Neuroscience Institute
Scientific Program:Cancer Control
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Research Interests

Dr. Sue Grigson’s research focuses on substance abuse and addiction. She has been continuously funded by the National Institutes of Health (NIH) for more than 28 years and is the recipient of an NIH MERIT award, which recognizes the top tier of research funded by the NIH.

She is the inaugural director of Penn State Addiction Center for Translation.

  • Pharmaceutical Preparations
  • Reward
  • Cues
  • Cocaine
  • Saccharin
  • Sucrose
  • Heroin
  • Self Administration
  • Substance-Related Disorders
  • Morphine
  • Lithium Chloride
  • Parabrachial Nucleus

Recent Publications


McLaughlin, PJ, West, EA, Grigson, PS & Hobkirk, AL 2023, 'Addiction III: From mouse to man', Brain Research Bulletin, vol. 193, pp. 22-26.
Fang, J, Miller, P & Grigson, PS 2023, 'Sleep is increased by liraglutide, a glucagon-like peptide-1 receptor agonist, in rats', Brain Research Bulletin, vol. 192, pp. 142-155.


Douton, JE, Acharya, NK, Stoltzfus, B, Sun, D, Grigson, PS & Nyland, JE 2022, 'Acute glucagon-like peptide-1 receptor agonist liraglutide prevents cue-, stress-, and drug-induced heroin-seeking in rats', Behavioural Pharmacology, vol. 33, no. 5, pp. 364-378.
Urbanik, LA, Acharya, NK & Grigson, PS 2022, 'Acute treatment with the glucagon-like peptide-1 receptor agonist, liraglutide, reduces cue- and drug-induced fentanyl seeking in rats', Brain Research Bulletin, vol. 189, pp. 155-162.
McFalls, AJ, Imperio, CG, Woodward, E, Krikorian, C, Stoltsfus, B, Wronowski, B, Grigson, PS, Freeman, WM & Vrana, KE 2022, 'An RNA-seq study of the mPFC of rats with different addiction phenotypes', Brain Research Bulletin, vol. 191, pp. 107-120.
Evans, B, Stoltzfus, B, Acharya, N, Nyland, JE, Arnold, AC, Freet, CS, Bunce, SC & Grigson, PS 2022, 'Dose titration with the glucagon-like peptide-1 agonist, liraglutide, reduces cue- and drug-induced heroin seeking in high drug-taking rats', Brain Research Bulletin, vol. 189, pp. 163-173.
McFalls, AJ, Jenney, C, Stanford, RS, Woodward, E, Hajnal, A, Grigson, PS & Vrana, KE 2022, 'Greater avoidance of a saccharin cue paired with passive delivery of heroin is associated with a select increase in expression of CRFR2 and CRFbp in the hippocampus in rats', Brain Research Bulletin, vol. 191, pp. 48-60.
Yingst, JM, Lester, C, Livelsberger, C, Allen, SI, Hammett, E, Veldheer, S, Hummer, B, Bordner, C, Zhu, J, Sciamanna, CN, Trushin, N, Tan, HS, Wilson, SJ, Twining, RC, Foulds, J & Grigson, PS 2022, 'Pilot randomized controlled trial evaluating the effect of random nicotine delivery on cigarettes per day and smoke exposure', Brain Research Bulletin, vol. 188, pp. 30-37.


Kamens, HM, Miller, CN, Caulfield, JI, Zeid, D, Horton, WJ, Silva, CP, Sebastian, A, Albert, I, Gould, TJ, Fishbein, D, Grigson, PS & Cavigelli, SA 2021, 'Adolescent Stress Reduces Adult Morphine-Induced Behavioral Sensitization in C57BL/6J Mice', Frontiers in Behavioral Neuroscience, vol. 15, 678102.
Nyland, JE, Raja-Khan, NT, Bettermann, K, Haouzi, PA, Leslie, DL, Kraschnewski, JL, Parent, LJ & Grigson, PS 2021, 'Diabetes, Drug Treatment, and Mortality in COVID-19: A Multinational Retrospective Cohort Study', Diabetes, vol. 70, no. 12, pp. 2903-2916.
Douton, JE, Norgren, R & Grigson, PS 2021, 'Effects of a glucagon-like peptide-1 analog on appetitive and consummatory behavior for rewarding and aversive gustatory stimuli in rats', Physiology and Behavior, vol. 229, 113279.
Douton, JE, Augusto, C, Stoltzfus, B, Carkaci-Salli, N, Vrana, KE & Grigson, PS 2021, 'Glucagon-like peptide-1 receptor agonist, exendin-4, reduces reinstatement of heroin-seeking behavior in rats', Behavioural Pharmacology, vol. 32, no. 4, pp. 265-277.
Douton, JE, Horvath, N, Mills-Huffnagle, S, Nyland, JE, Hajnal, A & Grigson, PS 2022, 'Glucagon-like peptide-1 receptor agonist, liraglutide, reduces heroin self-administration and drug-induced reinstatement of heroin-seeking behaviour in rats', Addiction Biology, vol. 27, no. 2, e13117.


McKendrick, G, Garrett, H, Tanniru, S, Ballard, S, Sun, D, Silberman, Y, Grigson, PS & Graziane, NM 2020, 'A novel method to study reward-context associations and drug-seeking behaviors', Journal of Neuroscience Methods, vol. 343, 108857.