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Raj V, Liang HC, Woodward ND, Bauernfeind AL, Lee J, Dietrich MS, Park S, Cowan RL. MDMA (ecstasy) use is associated with reduced BOLD signal change during semantic recognition in abstinent human polydrug users: a preliminary fMRI study. J. Psychopharmacol. (Oxford) [print-electronic]. 2010 Feb; 24(2): 187-201. PMID: 19304866, PMCID: PMC3198867, PII: 0269881109103203, DOI: 10.1177/0269881109103203, ISSN: 1461-7285.
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Cowan RL, Joers JM, Dietrich MS. N-acetylaspartate (NAA) correlates inversely with cannabis use in a frontal language processing region of neocortex in MDMA (Ecstasy) polydrug users: a 3 T magnetic resonance spectroscopy study. Pharmacol. Biochem. Behav [print-electronic]. 2009 Mar; 92(1): 105-10. PMID: 19032963, PMCID: PMC4451227, PII: S0091-3057(08)00360-2, DOI: 10.1016/j.pbb.2008.10.022, ISSN: 0091-3057.
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Woodward ND, Zald DH, Ding Z, Riccardi P, Ansari MS, Baldwin RM, Cowan RL, Li R, Kessler RM. Cerebral morphology and dopamine D2/D3 receptor distribution in humans: a combined [18F]fallypride and voxel-based morphometry study. Neuroimage [print-electronic]. 2009 May 5/15/2009; 46(1): 31-8. PMID: 19457373, PMCID: PMC2804466, PII: S1053-8119(09)00088-3, DOI: 10.1016/j.neuroimage.2009.01.049, ISSN: 1095-9572.
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Karageorgiou J, Dietrich MS, Charboneau EJ, Woodward ND, Blackford JU, Salomon RM, Cowan RL. Prior MDMA (Ecstasy) use is associated with increased basal ganglia-thalamocortical circuit activation during motor task performance in humans: an fMRI study. Neuroimage [print-electronic]. 2009 Jul 7/1/2009; 46(3): 817-26. PMID: 19264142, PMCID: PMC2805435, PII: S1053-8119(09)00184-0, DOI: 10.1016/j.neuroimage.2009.02.029, ISSN: 1095-9572.
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Castellanos EH, Charboneau E, Dietrich MS, Park S, Bradley BP, Mogg K, Cowan RL. Obese adults have visual attention bias for food cue images: evidence for altered reward system function. Int J Obes (Lond) [print-electronic]. 2009 Sep; 33(9): 1063-73. PMID: 19621020, PII: ijo2009138, DOI: 10.1038/ijo.2009.138, ISSN: 1476-5497.
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Cowan RL, Wood J, Dietrich MS, de B Frederick B, Lukas SE, Renshaw PF. Differential effects of D-amphetamine on red and blue light-induced photic activation: A novel BOLD fMRI assay of human dopamine function. Synapse. 2008 Apr; 62(4): 268-72. PMID: 18240321, DOI: 10.1002/syn.20491, ISSN: 0887-4476.
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Cowan RL, Roberts DM, Joers JM. Neuroimaging in human MDMA (Ecstasy) users. Ann. N. Y. Acad. Sci. 2008 Oct; 1139: 291-8. PMID: 18991874, PMCID: PMC2677829, PII: NYAS1139007, DOI: 10.1196/annals.1432.007, ISSN: 1749-6632.
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Zald DH, Cowan RL, Riccardi P, Baldwin RM, Ansari MS, Li R, Shelby ES, Smith CE, McHugo M, Kessler RM. Midbrain dopamine receptor availability is inversely associated with novelty-seeking traits in humans. J. Neurosci. 2008 Dec 12/31/2008; 28(53): 14372-8. PMID: 19118170, PMCID: PMC2748420, PII: 28/53/14372, DOI: 10.1523/JNEUROSCI.2423-08.2008, ISSN: 1529-2401.
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Cowan RL. Neuroimaging research in human MDMA users: a review. Psychopharmacology (Berl.) [print-electronic]. 2007 Jan; 189(4): 539-56. PMID: 16847678, DOI: 10.1007/s00213-006-0467-3, ISSN: 0033-3158.
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Cowan RL, Bolo NR, Dietrich M, Haga E, Lukas SE, Renshaw PF. Occipital cortical proton MRS at 4 Tesla in human moderate MDMA polydrug users. Psychiatry Res [print-electronic]. 2007 Aug 8/15/2007; 155(3): 179-88. PMID: 17574394, PMCID: PMC2132656, PII: S0925-4927(07)00035-2, DOI: 10.1016/j.pscychresns.2007.01.008, ISSN: 0165-1781.
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Cowan RL, Haga E, deB Frederick B, Dietrich MS, Vimal RL, Lukas SE, Renshaw PF. MDMA use is associated with increased spatial BOLD fMRI visual cortex activation in human MDMA users. Pharmacol. Biochem. Behav [print-electronic]. 2006 Jun; 84(2): 219-28. PMID: 16782178, PII: S0091-3057(06)00121-3, DOI: 10.1016/j.pbb.2006.04.024, ISSN: 0091-3057.
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Schiffer F, Mottaghy FM, Pandey Vimal RL, Renshaw PF, Cowan R, Pascual-Leone A, Teicher M, Valente E, Rohan M. Lateral visual field stimulation reveals extrastriate cortical activation in the contralateral hemisphere: an fMRI study. Psychiatry Res. 2004 May 5/30/2004; 131(1): 1-9. PMID: 15246450, PII: S0925492704000198, DOI: 10.1016/j.pscychresns.2004.01.002, ISSN: 0165-1781.
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Cowan RL, Lyoo IK, Sung SM, Ahn KH, Kim MJ, Hwang J, Haga E, Vimal RL, Lukas SE, Renshaw PF. Reduced cortical gray matter density in human MDMA (Ecstasy) users: a voxel-based morphometry study. Drug Alcohol Depend. 2003 Dec 12/11/2003; 72(3): 225-35. PMID: 14643939, PII: S037687160300231X, ISSN: 0376-8716.
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Cowan RL, Frederick BB, Rainey M, Levin JM, Maas LC, Bang J, Hennen J, Lukas SE, Renshaw PF. Sex differences in response to red and blue light in human primary visual cortex: a bold fMRI study. Psychiatry Res. 2000 Dec 12/22/2000; 100(3): 129-38. PMID: 11120440, PII: S0925492700000743, ISSN: 0165-1781.
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Cowan RL, Wilson CJ. Spontaneous firing patterns and axonal projections of single corticostriatal neurons in the rat medial agranular cortex. J. Neurophysiol. 1994 Jan; 71(1): 17-32. PMID: 8158226, ISSN: 0022-3077.
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Cowan RL, Sesack SR, Van Bockstaele EJ, Branchereau P, Chain J, Pickel VM. Analysis of synaptic inputs and targets of physiologically characterized neurons in rat frontal cortex: combined in vivo intracellular recording and immunolabeling. Synapse. 1994 Jun; 17(2): 101-14. PMID: 7916489, DOI: 10.1002/syn.890170206, ISSN: 0887-4476.
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Cowan RL, Wilson CJ, Emson PC, Heizmann CW. Parvalbumin-containing GABAergic interneurons in the rat neostriatum. J. Comp. Neurol. 1990 Dec 12/8/1990; 302(2): 197-205. PMID: 2289971, DOI: 10.1002/cne.903020202, ISSN: 0021-9967.