J. Logan

Publications310
h-index93
Citations36,778
Highly Influential Citations1,587
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Distribution Volume Ratios without Blood Sampling from Graphical Analysis of PET Data
The distribution volume ratio (DVR), which is a linear function of receptor availability, is widely used as a model parameter in imaging studies. The DVR corresponds to the ratio of the DV of a… Expand
  • 1,315
  • 94
Consensus Nomenclature for in vivo Imaging of Reversibly Binding Radioligands
An international group of experts in pharmacokinetic modeling recommends a consensus nomenclature to describe in vivo molecular imaging of reversibly binding radioligands.
  • 1,656
  • 91
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Brain dopamine and obesity
BACKGROUND The cerebral mechanisms underlying the behaviours that lead to pathological overeating and obesity are poorly understood. Dopamine, a neurotransmitter that modulates rewarding properties… Expand
  • 1,507
  • 82
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Graphical Analysis of Reversible Radioligand Binding from Time—Activity Measurements Applied to [N-11C-Methyl]-(−)-Cocaine PET Studies in Human Subjects
A graphical method of analysis applicable to ligands that bind reversibly to receptors or enzymes requiring the simultaneous measurement of plasma and tissue radioactivities for multiple times after… Expand
  • 1,255
  • 58
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Dopamine transporter occupancies in the human brain induced by therapeutic doses of oral methylphenidate.
OBJECTIVE The therapeutic effects of methylphenidate in the treatment of attention deficit disorder have been attributed to its ability to increase the synaptic concentration of dopamine by blocking… Expand
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Cocaine Cues and Dopamine in Dorsal Striatum: Mechanism of Craving in Cocaine Addiction
The ability of drugs of abuse to increase dopamine in nucleus accumbens underlies their reinforcing effects. However, preclinical studies have shown that with repeated drug exposure neutral stimuli… Expand
  • 997
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Low level of brain dopamine D2 receptors in methamphetamine abusers: association with metabolism in the orbitofrontal cortex.
OBJECTIVE The role of dopamine in the addictive process (loss of control and compulsive drug intake) is poorly understood. A consistent finding in drug-addicted subjects is a lower level of dopamine… Expand
  • 808
  • 47
Loss of Dopamine Transporters in Methamphetamine Abusers Recovers with Protracted Abstinence
Methamphetamine is a popular drug of abuse that is neurotoxic to dopamine (DA) terminals when administered to laboratory animals. Studies in methamphetamine abusers have also documented significant… Expand
  • 590
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Association of dopamine transporter reduction with psychomotor impairment in methamphetamine abusers.
OBJECTIVE Methamphetamine is a popular and highly addictive drug of abuse that has raised concerns because it has been shown in laboratory animals to be neurotoxic to dopamine terminals. The authors… Expand
  • 835
  • 41
Therapeutic Doses of Oral Methylphenidate Significantly Increase Extracellular Dopamine in the Human Brain
Methylphenidate (Ritalin) is the most commonly prescribed psychoactive drug in children for the treatment of attention deficit hyperactivity disorder (ADHD), yet the mechanisms responsible for its… Expand
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  • 41
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