NIDA needs study participants who do not use substances such as nicotine, alcohol, or opioids on a regular, frequent basis. If you have never used these substances, or only use them occasionally, you may qualify for one of our studies!
Please note, we do not give alcohol or drugs like marijuana, heroin, or cocaine to people who have never used these substances.
Neuroplasticity following theta-burst stimulation in cocaine use disorder - Non-cocaine users
Study# 17-DA-N002
Nickname: Cocaine iTBS (Non-cocaine users)
Understanding the acute modulation of brain activity by transcranial magnetic stimulation
Study# 18-DA-N042
Study Nickname: Simultaneous TMS-fMRI
Development and validation of learning and decision-making tasks
Study # 001156-DA
Study Nickname: LDM Task Development
Defining Neurobiological Links between Substance Use and Mental Illness
Study # 000922-DA
Study Nickname: NIC/MDD
Orexin's Role in the Neurobiology of Substance Use Disorder
Study # 001066-DA
Study Nickname: Orexin (Non-smokers)
Multimodal neuroimaging genetic biomarkers of nicotine addiction severity - Former Smokers
Study# 13-DA-N485-EX
Study Nickname: Nicotine Biomarker
Outcome interference in the sensory preconditioning task in OUD - Non-opioid users
Study # 19-DA-N019
Study Nickname: SPC Task (Non-opioid users)
Advanced functional and structural MRI techniques for neuropharmacological imaging
Study #03-DA-N380
Study Nickname: Imaging Techniques
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