Andras Hajnal, M.D. Ph.D. - Publications

Affiliations: 
1997- Neural and Behavioral Sciences Pennsylvania State University College of Medicine, Hershey, PA, United States 
Area:
Dopamine, reward, sweet taste, eating, obesity, gastric bypass, alcohol use disorder, substance use disorder, binge eating, opioids
Website:
https://pennstate.pure.elsevier.com/en/persons/andras-hajnal

94 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2022 Hamilton J, Nguyen C, McAvoy M, Roeder N, Richardson B, Quattrin T, Hajnal A, Thanos PK. Calorie restriction, but not Roux-en-Y gastric bypass surgery, increases [ H] PK11195 binding in a rat model of obesity. Synapse (New York, N.Y.). e22258. PMID 36352528 DOI: 10.1002/syn.22258  0.327
2022 Escanilla OD, Hajnal A, Czaja K, Di Lorenzo PM. The Neural Code for Taste in the Nucleus of the Solitary Tract of Rats with Obesity Following Roux-En-Y Gastric Bypass Surgery. Nutrients. 14. PMID 36235781 DOI: 10.3390/nu14194129  0.386
2022 Kovacs P, Hajnal A. Short-term high-fat diet consumption increases body weight and body adiposity and alters brain stem taste information processing in rats. Chemical Senses. 47. PMID 35997757 DOI: 10.1093/chemse/bjac020  0.477
2022 Orellana E, Horvath N, Farokhnia M, Leggio L, Hajnal A. Changes in Plasma Ghrelin Levels Following Surgical and Non-Surgical Weight-Loss in Female Rats Predict Alcohol Use. Brain Research Bulletin. PMID 35901985 DOI: 10.1016/j.brainresbull.2022.07.019  0.303
2021 Douton JE, Horvath N, Mills-Huffnagle S, Nyland JE, Hajnal A, Grigson PS. Glucagon-like peptide-1 receptor agonist, liraglutide, reduces heroin self-administration and drug-induced reinstatement of heroin-seeking behaviour in rats. Addiction Biology. e13117. PMID 34802173 DOI: 10.1111/adb.13117  0.615
2021 Harnischfeger F, O'Connell F, Weiss M, Axelrod B, Hajnal A, Czaja K, Di Lorenzo PM, Dando R. Sprague Dawley Rats Gaining Weight on a High Energy Diet Exhibit Damage to Taste Tissue Even after Return to a Healthy Diet. Nutrients. 13. PMID 34578940 DOI: 10.3390/nu13093062  0.354
2021 Orellana ER, Nyland JE, Horvath N, Hajnal A. Vagotomy Increases Alcohol Intake in Female Rats in Diet Dependent Manner: Implications for Increased Alcohol Use Disorder After Roux-en-Y Gastric Bypass Surgery. Physiology & Behavior. 113309. PMID 33412192 DOI: 10.1016/j.physbeh.2021.113309  0.356
2020 McGregor M, Hamilton J, Hajnal A, Thanos PK. Roux-en-Y gastric bypass increases GABA-A receptor levels in regions of the rat brain involved in object recognition memory and perceptual acuity. Physiology & Behavior. 224: 113053. PMID 32645414 DOI: 10.1016/J.Physbeh.2020.113053  0.389
2020 Minaya DM, Turlej A, Joshi A, Nagy T, Weinstein N, DiLorenzo P, Hajnal A, Czaja K. Consumption of a high energy density diet triggers microbiota dysbiosis, hepatic lipidosis, and microglia activation in the nucleus of the solitary tract in rats. Nutrition & Diabetes. 10: 20. PMID 32518225 DOI: 10.1038/S41387-020-0119-4  0.397
2019 Minaya DM, Di Lorenzo PM, Hajnal A, Czaja K. Roux‑en‑Y gastric bypass surgery triggers rapid DNA fragmentation in vagal afferent neurons in rats. Acta Neurobiologiae Experimentalis. 79: 432-444. PMID 31885399 DOI: 10.21307/Ane-2019-040  0.366
2019 Weiss MS, Hajnal A, Czaja K, Di Lorenzo PM. Taste Responses in the Nucleus of the Solitary Tract of Awake Obese Rats Are Blunted Compared With Those in Lean Rats. Frontiers in Integrative Neuroscience. 13: 35. PMID 31417373 DOI: 10.3389/Fnint.2019.00035  0.481
2019 McGregor M, Hamilton J, Hajnal A, Thanos PK. Roux-en-Y gastric bypass in rat reduces mu-opioid receptor levels in brain regions associated with stress and energy regulation. Plos One. 14: e0218680. PMID 31220174 DOI: 10.1371/Journal.Pone.0218680  0.392
2019 Orellana ER, Covasa M, Hajnal A. Neuro-hormonal mechanisms underlying changes in reward related behaviors following weight loss surgery: Potential pharmacological targets. Biochemical Pharmacology. 164: 106-114. PMID 30954487 DOI: 10.1016/j.bcp.2019.04.004  0.389
2018 Mueller PL, Pritchett CE, Wiechman TN, Zharikov A, Hajnal A. Antidepressant-like Effects of Insulin and IGF-1 are Mediated by IGF-1 Receptors in the Brain. Brain Research Bulletin. PMID 30278200 DOI: 10.1016/J.Brainresbull.2018.09.017  0.746
2018 Hamilton J, Swenson S, Hajnal A, Thanos PK. Roux-en-Y Gastric Bypass Surgery Normalizes Dopamine D1, D2, and DAT Levels. Synapse (New York, N.Y.). PMID 29992624 DOI: 10.1002/Syn.22058  0.486
2018 Kittrell H, Graber W, Mariani E, Czaja K, Hajnal A, Di Lorenzo PM. Taste and odor preferences following Roux-en-Y surgery in humans. Plos One. 13: e0199508. PMID 29975712 DOI: 10.1371/Journal.Pone.0199508  0.336
2017 Orellana ER, Jamis C, Horvath N, Hajnal A. Effect of vertical sleeve gastrectomy on alcohol consumption and preferences in dietary obese rats and mice: A plausible role for altered ghrelin signaling. Brain Research Bulletin. PMID 28802901 DOI: 10.1016/j.brainresbull.2017.08.004  0.424
2017 Vaughn AC, Cooper EM, DiLorenzo PM, O'Loughlin LJ, Konkel ME, Peters JH, Hajnal A, Sen T, Lee SH, de La Serre CB, Czaja K. Energy-dense diet triggers changes in gut microbiota, reorganization of gut‑brain vagal communication and increases body fat accumulation. Acta Neurobiologiae Experimentalis. 77: 18-30. PMID 28379213 DOI: 10.21307/Ane-2017-033  0.424
2017 Sen T, Cawthon CR, Ihde BT, Hajnal A, DiLorenzo PM, de La Serre CB, Czaja K. Diet-driven microbiota dysbiosis is associated with vagal remodeling and obesity. Physiology & Behavior. PMID 28249783 DOI: 10.1016/J.Physbeh.2017.02.027  0.42
2015 Klingerman CM, Stipanovic ME, Hajnal A, Lynch CJ. Acute Metabolic Effects of Olanzapine Depend on Dose and Injection Site. Dose-Response : a Publication of International Hormesis Society. 13: 1559325815618915. PMID 26740814 DOI: 10.1177/1559325815618915  0.316
2015 Tacelosky DM, Alexander DN, Morse M, Hajnal A, Berg A, Levenson R, Grigson PS. Low Expression of D2R and Wntless Correlates With High Motivation for Heroin. Behavioral Neuroscience. PMID 26501177 DOI: 10.1037/Bne0000104  0.589
2015 Biegler JM, Freet CS, Horvath N, Rogers AM, Hajnal A. Increased intravenous morphine self-administration following Roux-en-Y gastric bypass in dietary obese rats. Brain Research Bulletin. PMID 26304761 DOI: 10.1016/J.Brainresbull.2015.08.003  0.382
2015 Wang JL, Yang Q, Hajnal A, Rogers AM. A pilot functional MRI study in Roux-en-Y gastric bypass patients to study alteration in taste functions after surgery. Surgical Endoscopy. PMID 26099619 DOI: 10.1007/s00464-015-4288-5  0.326
2015 Thanos PK, Michaelides M, Subrize M, Miller ML, Bellezza R, Cooney RN, Leggio L, Wang GJ, Rogers AM, Volkow ND, Hajnal A. Roux-en-Y Gastric Bypass Alters Brain Activity in Regions that Underlie Reward and Taste Perception. Plos One. 10: e0125570. PMID 26039080 DOI: 10.1371/Journal.Pone.0125570  0.444
2015 Gálosi R, Hajnal A, Petykó Z, Hartmann G, Karádi Z, Lénárd L. The role of catecholamine innervation in the medial prefrontal cortex on the regulation of body weight and food intake. Behavioural Brain Research. 286: 318-27. PMID 25783808 DOI: 10.1016/j.bbr.2015.03.017  0.368
2015 Ballsmider LA, Vaughn AC, David M, Hajnal A, Di Lorenzo PM, Czaja K. Sleeve gastrectomy and Roux-en-Y gastric bypass alter the gut-brain communication. Neural Plasticity. 2015: 601985. PMID 25722893 DOI: 10.1155/2015/601985  0.312
2014 Olson KC, Chen G, Xu Y, Hajnal A, Lynch CJ. Alloisoleucine differentiates the branched-chain aminoacidemia of Zucker and dietary obese rats. Obesity (Silver Spring, Md.). 22: 1212-5. PMID 24415721 DOI: 10.1002/oby.20691  0.408
2014 Browning KN, Hajnal A. The effects of bariatric surgery: will understanding its mechanism render the knife unnecessary? Expert Review of Gastroenterology & Hepatology. 8: 1-4. PMID 24410467 DOI: 10.1586/17474124.2014.846214  0.306
2013 Polston JE, Pritchett CE, Tomasko JM, Rogers AM, Leggio L, Thanos PK, Volkow ND, Hajnal A. Roux-en-Y gastric bypass increases intravenous ethanol self-administration in dietary obese rats. Plos One. 8: e83741. PMID 24391816 DOI: 10.1371/Journal.Pone.0083741  0.784
2013 Paranjape SA, Chan O, Zhu W, Acharya NK, Rogers AM, Hajnal A, Sherwin RS. Improvement in hepatic insulin sensitivity after Roux-en-Y gastric bypass in a rat model of obesity is partially mediated via hypothalamic insulin action. Diabetologia. 56: 2055-8. PMID 23783353 DOI: 10.1007/S00125-013-2952-7  0.393
2013 Hajnal A, Thanos PK, Volkow ND. Notes on "roux en y gastric bypass increases ethanol intake in the rat" by Davis et al. Obesity Surgery. 23: 1317. PMID 23649870 DOI: 10.1007/S11695-013-0961-8  0.369
2013 Armbruszt S, Abraham H, Figler M, Kozicz T, Hajnal A. Cocaine- and amphetamine-regulated transcript (CART) peptide immunoreactivity in feeding- and reward-related brain areas of young OLETF rats. Journal of Chemical Neuroanatomy. 50: 75-84. PMID 23545074 DOI: 10.1016/j.jchemneu.2013.03.003  0.458
2013 Browning KN, Fortna SR, Hajnal A. Roux-en-Y gastric bypass reverses the effects of diet-induced obesity to inhibit the responsiveness of central vagal motoneurones. The Journal of Physiology. 591: 2357-72. PMID 23459752 DOI: 10.1113/jphysiol.2012.249268  0.389
2012 Hajnal A, Zharikov A, Polston JE, Fields MR, Tomasko J, Rogers AM, Volkow ND, Thanos PK. Alcohol reward is increased after Roux-en-Y gastric bypass in dietary obese rats with differential effects following ghrelin antagonism. Plos One. 7: e49121. PMID 23145091 DOI: 10.1371/Journal.Pone.0049121  0.457
2012 Thanos PK, Subrize M, Delis F, Cooney RN, Culnan D, Sun M, Wang GJ, Volkow ND, Hajnal A. Gastric bypass increases ethanol and water consumption in diet-induced obese rats. Obesity Surgery. 22: 1884-92. PMID 22976430 DOI: 10.1007/S11695-012-0749-2  0.434
2012 Geraedts MC, Takahashi T, Vigues S, Markwardt ML, Nkobena A, Cockerham RE, Hajnal A, Dotson CD, Rizzo MA, Munger SD. Transformation of postingestive glucose responses after deletion of sweet taste receptor subunits or gastric bypass surgery. American Journal of Physiology. Endocrinology and Metabolism. 303: E464-74. PMID 22669246 DOI: 10.1152/Ajpendo.00163.2012  0.304
2012 Pritchett CE, Hajnal A. Glucagon-like peptide-1 regulation of carbohydrate intake is differentially affected by obesogenic diets. Obesity (Silver Spring, Md.). 20: 313-7. PMID 22134200 DOI: 10.1038/Oby.2011.342  0.794
2012 Thanos PK, Subrize M, Delis F, Cooney RN, Culnan D, Sun M, Wang G, Volkow ND, Hajnal A. Erratum to: Gastric Bypass Increases Ethanol and Water Consumption in Diet-Induced Obese Rats Obesity Surgery. 23: 424-424. DOI: 10.1007/S11695-012-0842-6  0.352
2011 Pritchett CE, Hajnal A. Obesogenic diets may differentially alter dopamine control of sucrose and fructose intake in rats. Physiology & Behavior. 104: 111-6. PMID 21549729 DOI: 10.1016/J.Physbeh.2011.04.048  0.815
2010 Hajnal A, Kovacs P, Ahmed T, Meirelles K, Lynch CJ, Cooney RN. Gastric bypass surgery alters behavioral and neural taste functions for sweet taste in obese rats. American Journal of Physiology. Gastrointestinal and Liver Physiology. 299: G967-79. PMID 20634436 DOI: 10.1152/Ajpgi.00070.2010  0.59
2010 Bello NT, Hajnal A. Dopamine and binge eating behaviors. Pharmacology, Biochemistry, and Behavior. 97: 25-33. PMID 20417658 DOI: 10.1016/J.Pbb.2010.04.016  0.669
2010 Swartz TD, Hajnal A, Covasa M. Altered orosensory sensitivity to oils in CCK-1 receptor deficient rats. Physiology & Behavior. 99: 109-17. PMID 19887078 DOI: 10.1016/J.Physbeh.2009.10.016  0.42
2010 Pritchett CE, Conteh A, Hajnal A. Differential effects of high-energy diets on sensitivity to dopamine receptor antagonists in reducing intake of sucrose and fructose in rats Appetite. 54: 670. DOI: 10.1016/J.Appet.2010.04.167  0.465
2010 Hajnal A, Norgren R. Dopamine Release by Sucrose The Senses: a Comprehensive Reference. 4: 459-468. DOI: 10.1016/B978-012370880-9.00099-2  0.52
2009 Hajnal A, Norgren R, Kovacs P. Parabrachial coding of sapid sucrose: relevance to reward and obesity. Annals of the New York Academy of Sciences. 1170: 347-64. PMID 19686159 DOI: 10.1111/J.1749-6632.2009.03930.X  0.72
2009 Kovacs P, Hajnal A. In vivo electrophysiological effects of insulin in the rat brain. Neuropeptides. 43: 283-93. PMID 19541365 DOI: 10.1016/J.Npep.2009.05.006  0.462
2009 Abraham H, Covasa M, Hajnal A. Cocaine- and amphetamine-regulated transcript peptide immunoreactivity in the brain of the CCK-1 receptor deficient obese OLETF rat. Experimental Brain Research. 196: 545-56. PMID 19533109 DOI: 10.1007/S00221-009-1885-3  0.45
2009 Kovacs P, Hajnal A. Acute surges of blood glucose affect pontine taste processing differentially in lean and obese rats Appetite. 52: 842. DOI: 10.1016/J.Appet.2009.04.114  0.528
2009 Hajnal A, Kovacs P, Culnan DM, Cooney RN. Altered taste functions following ROUX-EN-Y gastric bypass surgery Appetite. 52: 835. DOI: 10.1016/J.Appet.2009.04.087  0.417
2008 Kovacs P, Hajnal A. Altered pontine taste processing in a rat model of obesity. Journal of Neurophysiology. 100: 2145-57. PMID 18550724 DOI: 10.1152/Jn.01359.2007  0.573
2008 Hajnal A, Margas WM, Covasa M. Altered dopamine D2 receptor function and binding in obese OLETF rat. Brain Research Bulletin. 75: 70-6. PMID 18158098 DOI: 10.1016/J.Brainresbull.2007.07.019  0.512
2008 Hajnal A, Covasa M, Abraham H. Cocaine- and amphetamine-regulated transcript (CART) peptide immunoreactivity in the brain of the obese OLETF rat Appetite. 51: 370. DOI: 10.1016/J.Appet.2008.04.101  0.383
2007 Grigson PS, Hajnal A. Once is too much: conditioned changes in accumbens dopamine following a single saccharin-morphine pairing. Behavioral Neuroscience. 121: 1234-42. PMID 18085877 DOI: 10.1037/0735-7044.121.6.1234  0.654
2007 Hajnal A, Acharya NK, Grigson PS, Covasa M, Twining RC. Obese OLETF rats exhibit increased operant performance for palatable sucrose solutions and differential sensitivity to D2 receptor antagonism. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. 293: R1846-54. PMID 17804583 DOI: 10.1152/Ajpregu.00461.2007  0.694
2007 She P, Reid TM, Bronson SK, Vary TC, Hajnal A, Lynch CJ, Hutson SM. Disruption of BCATm in mice leads to increased energy expenditure associated with the activation of a futile protein turnover cycle. Cell Metabolism. 6: 181-94. PMID 17767905 DOI: 10.1016/J.Cmet.2007.08.003  0.341
2007 Hajnal A, De Jonghe BC, Covasa M. Dopamine D2 receptors contribute to increased avidity for sucrose in obese rats lacking CCK-1 receptors. Neuroscience. 148: 584-92. PMID 17681694 DOI: 10.1016/J.Neuroscience.2007.06.025  0.767
2007 Anderzhanova E, Covasa M, Hajnal A. Altered basal and stimulated accumbens dopamine release in obese OLETF rats as a function of age and diabetic status. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. 293: R603-11. PMID 17553848 DOI: 10.1152/Ajpregu.00301.2007  0.773
2007 De Jonghe BC, Hajnal A, Covasa M. Conditioned preference for sweet stimuli in OLETF rat: effects of food deprivation. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. 292: R1819-27. PMID 17272669 DOI: 10.1152/Ajpregu.00339.2006  0.752
2007 Hajnal A, Kovacs P, Covasa M, Cooney R. Gastric bypass surgery restores altered neuronal coding for sweet taste in obese OLETF rats. Appetite. 49: 296. DOI: 10.1016/J.Appet.2007.03.084  0.596
2007 Anderzhanova E, Covasa M, Hajnal A. Altered basal and stimulated accumbens dopamine release in obese OLETF rats: A quantitative microdialysis study. Appetite. 49: 273. DOI: 10.1016/J.Appet.2007.03.016  0.426
2006 Bello NT, Hajnal A. Acute methylphenidate treatments reduce sucrose intake in restricted-fed bingeing rats. Brain Research Bulletin. 70: 422-9. PMID 17027778 DOI: 10.1016/J.Brainresbull.2006.07.006  0.695
2006 Norgren R, Hajnal A, Mungarndee SS. Gustatory reward and the nucleus accumbens. Physiology & Behavior. 89: 531-5. PMID 16822531 DOI: 10.1016/j.physbeh.2006.05.024  0.604
2006 Liang NC, Hajnal A, Norgren R. Sham feeding corn oil increases accumbens dopamine in the rat. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. 291: R1236-9. PMID 16763080 DOI: 10.1152/Ajpregu.00226.2006  0.71
2006 De Jonghe BC, Hajnal A, Covasa M. Decreased gastric mechanodetection, but preserved gastric emptying, in CCK-1 receptor-deficient OLETF rats. American Journal of Physiology. Gastrointestinal and Liver Physiology. 291: G640-9. PMID 16728725 DOI: 10.1152/Ajpgi.00109.2006  0.727
2006 Bello NT, Hajnal A. Alterations in blood glucose levels under hyperinsulinemia affect accumbens dopamine. Physiology & Behavior. 88: 138-45. PMID 16678226 DOI: 10.1016/J.Physbeh.2006.03.027  0.668
2006 Albaugh VL, Henry CR, Bello NT, Hajnal A, Lynch SL, Halle B, Lynch CJ. Hormonal and metabolic effects of olanzapine and clozapine related to body weight in rodents. Obesity (Silver Spring, Md.). 14: 36-51. PMID 16493121 DOI: 10.1038/Oby.2006.6  0.673
2006 Hajnal A, Covasa M, Lundy RF. WITHDRAWN: Processing of sucrose-evoked activity in the parabrachial nucleus is altered in obese OLETF rats Appetite. DOI: 10.1016/J.Appet.2006.03.247  0.441
2006 Hajnal A, Freet CS, Covasa M, Acharya NK, Grigson PS, Twining RC. WITHDRAWN: Increased operant performance for palatable sucrose solutions in obese OLETF rats Appetite. DOI: 10.1016/J.Appet.2006.03.217  0.646
2006 Hajnal A, Jonghe BCD, Covasa M. WITHDRAWN: Flavor preference conditioning by intraduodenal nutrients is unaffected in OLETF rats Appetite. DOI: 10.1016/J.Appet.2006.03.194  0.403
2006 Hajnal A, Jonghe BCD, Covasa M. WITHDRAWN: Decreased detection of gastric volume in young and old OLETF rats Appetite. DOI: 10.1016/J.Appet.2006.03.193  0.35
2005 Bello NT, Hajnal A. Male rats show an indifference-avoidance response for increasing concentrations of the artificial sweetener sucralose. Nutrition Research (New York, N.Y.). 25: 693-699. PMID 16810335 DOI: 10.1016/J.Nutres.2005.07.003  0.657
2005 Hajnal A, Covasa M, Bello NT. Altered taste sensitivity in obese, prediabetic OLETF rats lacking CCK-1 receptors. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. 289: R1675-86. PMID 16081877 DOI: 10.1152/Ajpregu.00412.2005  0.696
2005 De Jonghe BC, Di Martino C, Hajnal A, Covasa M. Brief intermittent access to sucrose differentially modulates prepulse inhibition and acoustic startle response in obese CCK-1 receptor deficient rats. Brain Research. 1052: 22-7. PMID 16002053 DOI: 10.1016/J.Brainres.2005.06.019  0.766
2005 Hajnal A, Norgren R. Taste pathways that mediate accumbens dopamine release by sapid sucrose. Physiology & Behavior. 84: 363-9. PMID 15763573 DOI: 10.1016/j.physbeh.2004.12.014  0.605
2005 De Jonghe BC, Hajnal A, Covasa M. Increased oral and decreased intestinal sensitivity to sucrose in obese, prediabetic CCK-A receptor-deficient OLETF rats. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. 288: R292-300. PMID 15358606 DOI: 10.1152/ajpregu.00481.2004  0.743
2004 Hajnal A, Norgren R. Sucrose sham feeding decreases accumbens norepinephrine in the rat. Physiology & Behavior. 82: 43-7. PMID 15234588 DOI: 10.1016/j.physbeh.2004.04.024  0.661
2004 Hajnal A, Smith GP, Norgren R. Oral sucrose stimulation increases accumbens dopamine in the rat. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. 286: R31-7. PMID 12933362 DOI: 10.1152/ajpregu.00282.2003  0.635
2003 Bello NT, Sweigart KL, Lakoski JM, Norgren R, Hajnal A. Restricted feeding with scheduled sucrose access results in an upregulation of the rat dopamine transporter. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. 284: R1260-8. PMID 12521926 DOI: 10.1152/Ajpregu.00716.2002  0.767
2002 Hajnal A, Norgren R. Repeated access to sucrose augments dopamine turnover in the nucleus accumbens. Neuroreport. 13: 2213-6. PMID 12488799 DOI: 10.1097/01.wnr.0000044213.09266.38  0.654
2002 Bello NT, Lucas LR, Hajnal A. Repeated sucrose access influences dopamine D2 receptor density in the striatum. Neuroreport. 13: 1575-8. PMID 12218708 DOI: 10.1097/00001756-200208270-00017  0.698
2001 Hajnal A, Norgren R. Accumbens dopamine mechanisms in sucrose intake. Brain Research. 904: 76-84. PMID 11516413 DOI: 10.1016/S0006-8993(01)02451-9  0.614
2000 Hajnal A, Székely M, Gálosi R, Lénárd L. Accumbens cholinergic interneurons play a role in the regulation of body weight and metabolism. Physiology & Behavior. 70: 95-103. PMID 10978483 DOI: 10.1016/S0031-9384(00)00236-5  0.417
1999 Hajnal A, Takenouchi K, Norgren R. Effect of intraduodenal lipid on parabrachial gustatory coding in awake rats. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 19: 7182-90. PMID 10436071 DOI: 10.1523/Jneurosci.19-16-07182.1999  0.602
1999 Mark GP, Hajnal A, Kinney AE, Keys AS. Self-administration of cocaine increases the release of acetylcholine to a greater extent than response-independent cocaine in the nucleus accumbens of rats. Psychopharmacology. 143: 47-53. PMID 10227079 DOI: 10.1007/S002130050918  0.349
1998 Hajnal A, Mark GP, Keys AS, Lénárd L. Involvement of dopamine and acetylcholine in the interaction between amygdala and nucleus accumbens: chronic microdialysis in rats. Neurobiology (Budapest, Hungary). 6: 363-7. PMID 9778654  0.309
1998 Hajnal A, Pothos EN, Lénárd L, Hoebel BG. Effects of feeding and insulin on extracellular acetylcholine in the amygdala of freely moving rats. Brain Research. 785: 41-8. PMID 9526040 DOI: 10.1016/S0006-8993(97)01291-2  0.387
1997 Hajnal A, Lénárd L. Feeding-related dopamine in the amygdala of freely moving rats. Neuroreport. 8: 2817-20. PMID 9295124 DOI: 10.1097/00001756-199708180-00033  0.424
1997 Hajnal A, Mark GP, Rada PV, Lénárd L, Hoebel BG. Norepinephrine microinjections in the hypothalamic paraventricular nucleus increase extracellular dopamine and decrease acetylcholine in the nucleus accumbens: relevance to feeding reinforcement. Journal of Neurochemistry. 68: 667-74. PMID 9003054 DOI: 10.1046/J.1471-4159.1997.68020667.X  0.445
1996 Hajnal A, Pothos EN, Lénárd L, Hoebel BG. Feeding and acetylcholine in the amygdala: microdialysis in freely moving rats. Neurobiology (Budapest, Hungary). 4: 109-10. PMID 9116686  0.335
1992 Sándor P, Hajnal A, Jandó G, Karádi Z, Lénárd L. Microelectrophoretic application of kainic acid into the globus pallidus: disturbances in feeding behavior. Brain Research Bulletin. 28: 751-6. PMID 1617459 DOI: 10.1016/0361-9230(92)90255-V  0.335
1992 Hajnal A, Sándor P, Jandó G, Vida I, Czurkó A, Karádi Z, Lénárd L. Feeding disturbances and EEG activity changes after amygdaloid kainate lesions in the rat. Brain Research Bulletin. 29: 909-16. PMID 1473023 DOI: 10.1016/0361-9230(92)90165-T  0.329
1991 Lénárd L, Sándor P, Hajnal A, Jandó G, Karádi Z, Kai Y. Sex-dependent body weight changes after iontophoretic application of kainic acid into the LH or VMH. Brain Research Bulletin. 26: 141-8. PMID 2015510 DOI: 10.1016/0361-9230(91)90199-T  0.352
1991 Lénárd L, Karádi Z, Jandó G, Yoshimatsu H, Hajnal A, Sándor P, Oomura Y. Feeding and body weight regulation after 6-OHDA application into the preoptic area. Brain Research Bulletin. 27: 359-65. PMID 1959030 DOI: 10.1016/0361-9230(91)90125-4  0.439
1988 Lénárd L, Jandó G, Karádi Z, Hajnal A, Sándor P. Lateral hypothalamic feeding mechanisms: iontophoretic effects of kainic acid, ibotenic acid and 6-hydroxydopamine. Brain Research Bulletin. 20: 847-56. PMID 3136864 DOI: 10.1016/0361-9230(88)90101-3  0.397
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