Research Library / Article Summary
Developmental variation in basal ganglia tissue iron, neurocognitive functioning, and impulsivity is associated with substance use trajectories in youth
Plain-English AddictionTube research summary with source link, DOI, key finding, and recovery relevance.
Nature Communications • 11 Jun 2026 • Research
dopaminebrain science
Research focus
This article may help explain addiction science through research on dopamine, brain science. The source abstract begins by describing: “Neurodevelopmental models implicate dopaminergic and neurocognitive maturation in adolescent risk-taking, yet their joint contribution to substance use trajectories in humans remains unclear.”
Key finding: Neurodevelopmental differences in brain iron, impulsivity, and cognitive control are associated with distinct longitudinal patterns of substance use in youth, highlighting adolescence as a key window for risk stratification.
Why this may help: This may help explain why addiction can involve brain, behavior, mental health, craving, relapse, or treatment factors rather than simple willpower alone. It should be read as research information, not personal medical advice.
This article may help explain addiction science through research on alcohol, cannabis, nicotine, dopamine. The source abstract begins by describing: “In this Opinion article, Nutt and colleagues examine the history of and current evidence for the dopamine theory of addiction.”
Key finding: These observations have implications for understanding reward and treatment responses in various addictions.
Nature Reviews Neuroscience • 15 Apr 2015 • Reviews
alcoholcannabisnicotinedopaminebrain sciencetreatment
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This article may help explain addiction science through research on opioid, cannabis, dopamine, brain science. The source abstract begins by describing: “Use of one addictive drug typically influences the behavioral response to other drugs, either administered at the same time or a subsequent time point.”
Key finding: Our study adds to the rich literature on the interaction between drugs, including THC and opioids, and provides potential neural substates by which adolescent THC exposure influences responses to morphine later in life.
Neuropsychopharmacology • 10 Dec 2024 • Research
opioidcannabisdopaminebrain sciencerelapsemental health
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This article may help explain addiction science through research on cocaine, dopamine, brain science, craving. The source abstract begins by describing: “The authors show that rostral ventral pallidum projections to the ventral tegmental area (VTA) are activated during cue-induced reinstatement of cocaine seeking, and DREADD inhibition of these projections blocks this behavior.”
Key finding: This double dissociation in ventral pallidum subregional roles in drug seeking is likely to be important for understanding the mesocorticolimbic circuits underlying reward seeking and addiction.
Nature Neuroscience • 02 Mar 2014 • Research
cocainedopaminebrain sciencecravingrelapsegenetics
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This article may help explain addiction science through research on cocaine, methamphetamine, dopamine, brain science. The source abstract begins by describing: “Converging evidence indicates that both dopamine and glutamate neurotransmission within the nucleus accumbens (NAc) play a role in psychostimulant self-administration and relapse in rodent models.”
Key finding: These findings indicate that in contrast to the well-recognized mesoaccumbal dopamine system that is critical to psychostimulant reward and relapse, there is a parallel mesoaccumbal glutamatergic system that suppresses reward and psychostimulant-seeking behavior.
Neuropsychopharmacology • 26 Jun 2024 • Research
cocainemethamphetaminedopaminebrain sciencerelapsegenetics
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This article may help explain addiction science through research on opioid, cocaine, dopamine, brain science. The source abstract begins by describing: “Persistent transcriptional events in ventral tegmental area (VTA) and other reward relevant brain regions contribute to enduring behavioral adaptations that characterize substance use disorder.”
Key finding: These findings establish an essential role for H3Q5dop, and its downstream transcriptional consequences, in heroin-induced functional plasticity in VTA.
Neuropsychopharmacology • 29 Jan 2022 • Research
opioidcocainedopaminebrain sciencerelapsegenetics
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