Researcher Profile

Researcher Profile


Patricia "Sue" Grigson-Kennedy, MS, PhD

Professor and Interim Chair, Department of Neural and Behavioral Sciences
Scientific Program:Cancer Control

Research Interests

  • Pharmaceutical Preparations
  • Reward
  • Cocaine
  • Saccharin
  • Cues
  • Sucrose
  • Self Administration
  • Heroin
  • Morphine
  • Street Drugs
  • Lithium Chloride
  • Appetite

Recent Publications


Imperio, CG, McFalls, AJ, Hadad, N, Blanco-Berdugo, L, Masser, DR, Colechio, EM, Coffey, AA, Bixler, GV, Stanford, DR, Vrana, K, Grigson-Kennedy, PS & Freeman, WM 2018, 'Exposure to environmental enrichment attenuates addiction-like behavior and alters molecular effects of heroin self-administration in rats', Neuropharmacology, vol. 139, pp. 26-40.
Coffey, AA, Fang, J & Grigson-Kennedy, PS 2018, 'Heroin self-administration as a function of time of day in rats' Psychopharmacology, vol. 235, no. 10, pp. 3005-3015.


Jenney, CB, Dasalla, J & Grigson-Kennedy, PS 2018, 'Female rats exhibit less avoidance than male rats of a cocaine-, but not a morphine-paired, saccharin cue', Brain Research Bulletin, vol. 138, pp. 80-87.
Freet, C, Alexander, DN, Imperio, CG, Ruiz-Velasco, V & Grigson-Kennedy, PS 2018, 'Heroin-induced suppression of saccharin intake in OPRM1 A118G mice' Brain Research Bulletin, vol. 138, pp. 73-79.


Grigson-Kennedy, PS 2016, 'Addiction: A preclinical and clinical analysis' Brain Research Bulletin, vol. 123, pp. 1-4.
Imperio, CG, McFalls, AJ, Colechio, EM, Masser, DR, Vrana, K, Grigson-Kennedy, PS & Freeman, WM 2016, 'Assessment of individual differences in the rat nucleus accumbens transcriptome following taste-heroin extended access', Brain Research Bulletin, vol. 123, pp. 71-80.
Nyland, J, Alexander, DN & Grigson-Kennedy, PS 2016, 'Drug-Motivated behavior in rats with lesions of the thalamic orosensory area', Behavioral Neuroscience, vol. 130, no. 1, pp. 103-113.
Jenney, CB, Petko, JA, Ebersole (Anderson), B, Njatcha, CVN, Uzamere, TO, Alexander, DN, Grigson-Kennedy, PS & Levenson, R 2016, 'Early avoidance of a heroin-paired taste-cue and subsequent addiction-like behavior in rats', Brain Research Bulletin, vol. 123, pp. 61-70.
Jenney, CB, Alexander, DN, Jones, BC, Unger, EL & Grigson-Kennedy, PS 2016, 'Preweaning iron deficiency increases non-contingent responding during cocaine self-administration in rats', Physiology and Behavior, vol. 167, pp. 282-288.
Coffey, AA, Guan, Z, Grigson-Kennedy, PS & Fang, J 2016, 'Reversal of the sleep–wake cycle by heroin self-administration in rats', Brain Research Bulletin, vol. 123, pp. 33-46.
McFalls, AJ, Imperio, CG, Bixler, G, Freeman, WM, Grigson-Kennedy, PS & Vrana, K 2016, 'Reward devaluation and heroin escalation is associated with differential expression of CRF signaling genes', Brain Research Bulletin, vol. 123, pp. 81-93.
Twining, RC, Freet, C, Wheeler, RA, Reich, CG, Tompers, DA, Wolpert, SE & Grigson-Kennedy, PS 2016, 'The role of dose and restriction state on morphine-, cocaine-, and LiCl-induced suppression of saccharin intake: A comprehensive analysis', Physiology and Behavior, vol. 161, pp. 104-115.
Venkiteswaran, K, Alexander, DN, Puhl, MD, Rao, A, Piquet, AL, Nyland, J, Subramanian, MP, Iyer, P, Boisvert, MM, Handly, E, Subramanian, T & Grigson-Kennedy, PS 2016, 'Transplantation of human retinal pigment epithelial cells in the nucleus accumbens of cocaine self-administering rats provides protection from seeking', Brain Research Bulletin, vol. 123, pp. 53-60.


Freet, C, Ballard, SM, Alexander, DN, Cox, TA, Imperio, CG, Anosike, N, Carter, AB, Mahmoud, S, Ruiz-Velasco, V & Grigson-Kennedy, PS 2015, 'Cocaine-induced suppression of saccharin intake and morphine modulation of Ca2+ channel currents in sensory neurons of OPRM1 A118G mice' Physiology and Behavior, vol. 139, pp. 216-223.
Alonso-Alonso, M, Woods, SC, Pelchat, M, Grigson-Kennedy, PS, Stice, E, Farooqi, S, Khoo, CS, Mattes, RD & Beauchamp, GK 2015, 'Food reward system: Current perspectives and future research needs', Nutrition reviews, vol. 73, no. 5, pp. 296-307.
Imperio, CG & Grigson-Kennedy, PS 2015, 'Greater avoidance of a heroin-paired taste cue is associated with greater escalation of heroin self-administration in rats' Behavioral Neuroscience, vol. 129, no. 4, pp. 380-388.
Tacelosky, DM, Alexander, DN, Morse, M, Hajnal, A, Berg, A, Levenson, R & Grigson-Kennedy, PS 2015, 'Low expression of D2R and wntless correlates with high motivation for heroin', Behavioral Neuroscience, vol. 129, no. 6, pp. 744-755.
Grigson-Kennedy, PS, Colechio, EM, Power, ML, Schulkin, J & Norgren, R 2015, 'Parabrachial lesions in rats disrupt sodium appetite induced by furosemide but not by calcium deprivation' Physiology and Behavior, vol. 140, pp. 172-179.

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