381-390
Original Investigation
Involvement of local serotonin-2A but not serotonin-1B receptors in the reinforcing effects of ethanol within the posterior ventral tegmental area of female Wistar rats
Zheng-Ming Ding, Jamie E. Toalston, Scott M. Oster, William J. McBride and Zachary A. Rodd
391-402
Original Investigation
Synergistic interaction between nicotine and social rewards in adolescent male rats
Kenneth J. Thiel, Federico Sanabria and Janet L. Neisewander
403-411
Original Investigation
Self administration of heroin and cocaine in morphine-dependent and morphine-withdrawn rhesus monkeys
Lisa R. Gerak, Ruggero Galici and Charles P. France
413-421
Original Investigation
Enhancing effect of heroin on social recognition learning in male Sprague–Dawley rats: modulation by heroin pre-exposure
AnneMarie Levy, Elena Choleris and Francesco Leri
423-429
Original Investigation
Abnormal pain response in pain-sensitive opiate addicts after prolonged abstinence predicts increased drug craving
Zhen-Yu Ren, Jie Shi, David H. Epstein, Jun Wang and Lin Lu
431-443
Original Investigation
Withdrawal from free-choice high-fat high-sugar diet induces craving only in obesity-prone animals
Chris Pickering, Johan Alsiö, Anna-Lena Hulting and Helgi B. Schiöth
445-455
Original Investigation
Effects of yohimbine and hydrocortisone on panic symptoms, autonomic responses, and attention to threat in healthy adults
Roma A. Vasa, Daniel S. Pine, Carrie L. Masten, Meena Vythilingam and Carlos Collin, et al.
457-463
Original Investigation
The role of endogenous PACAP in motor stimulation and conditioned place preference induced by morphine in mice
Paul Marquez, David Bebawy, Vincent Lelièvre, Anne-Claire Coûté and Christopher J. Evans, et al.
465-476
Original Investigation
Behavioral effects and pharmacokinetics of gamma-hydroxybutyrate (GHB) precursors gamma-butyrolactone (GBL) and 1,4-butanediol (1,4-BD) in baboons
A. K. Goodwin, P. R. Brown, E. E. W. Jansen, C. Jakobs and K. M. Gibson, et al.
477-488
Original Investigation
The role of noradrenaline and 5-hydroxytryptamine in yohimbine-induced increases in alcohol-seeking in rats
Anh Dzung Lê, Douglas Funk, Stephen Harding, Walter Juzytsch and Paul J. Fletcher
489-498
Original Investigation
Intravenous self-administration of etonitazene alone and combined with cocaine in rhesus monkeys: comparison with heroin and antagonism by naltrexone and naloxonazine
Cindy Achat-Mendes, Glenn R. Valdez, Donna M. Platt, James K. Rowlett and Roger D. Spealman
499-509
Original Investigation
Differential effects of MPEP and diazepam in tests of conditioned emotional response and Pavlovian-to-instrumental transfer suggests ‘anxiolytic’ effects are mediated by different mechanisms
S. A. George, P. H. Hutson and D.N. Stephens
511-521
Original Investigation
Reelin haploinsufficiency reduces the density of PV+ neurons in circumscribed regions of the striatum and selectively alters striatal-based behaviors
Martine Ammassari-Teule, Carmelo Sgobio, Filippo Biamonte, Cristina Marrone and Nicola B. Mercuri, et al.
523-529
Original Investigation
Cocaine-induced reinstatement during limited and extended drug access conditions in rhesus monkeys
Porche’ Kirkland Henry and Leonard L. Howell
531-540
Original Investigation
Contribution of dopamine receptors to periaqueductal gray-mediated antinociception
Paul J. Meyer, Michael M. Morgan, Laura B. Kozell and Susan L. Ingram
541-549
Original Investigation
Open AccessAnxiolytic effects of nicotine in a rodent test of approach–avoidance conflict
Ami Cohen, Robert W. Young, Miguel A. Velazquez, Mariya Groysman and Kavon Noorbehesht, et al.
551-562
Original Investigation
Nicotinic receptors differentially modulate the induction and expression of behavioral sensitization to methylphenidate in rats
Thomas E. Wooters and Michael T. Bardo