EVIDENCE LIBRARY
Browse source-supported forensic toxicology guides in this subject area.
Oct 20, 2026
A 17-person IV methamphetamine crossover found mild psychotic-like symptoms but no significant beads-task decision effect; no blood-drug assay or DUI test.
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A 2026 primary study tested 60 mg methylphenidate in 38 and 20 adults, linking gradient compression to NET maps and visual attention; no forensic blood-drug assay.
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Original 48-person photo-recognition analysis: oral dextroamphetamine improved recognition, THC impaired it, but formal emotional-valence interactions were nonsignificant. No eyewitness or forensic blood-level inference.
Read guideOct 20, 2026
A 12-man crossover flight-simulator study found limited modafinil and galantamine effects after prolonged wakefulness. Read the significant and null results and forensic limits.
Read guideOct 20, 2026
A 100-person methamphetamine smartphone trial reported lower cue craving within the app arm but did not establish drug-use reduction by toxicology; key missing-data and forensic limits.
Read guideOct 20, 2026
A 60-man triple-blind methamphetamine tDCS study showed corrected fMRI connectivity but no better craving relief than sham. Five activation clusters failed FDR.
Read guideOct 20, 2026
A 134-man methamphetamine picture-Stroop study shows a 34.68-ms drug-picture delay and withdrawal-craving association; VR cue craving misses corrected and adjusted thresholds. No blood toxicology or DUI finding.
Read guideOct 20, 2026
In 5,795 children, same-day stimulant use tracked motor/arousal and salience connectivity, not corrected attention-network differences; five adults validated MRI directions. No blood drug assay.
Read guideOct 20, 2026
A randomized 50-person study found no significant iTBS-specific GABA/NAA or Glx/NAA interaction, despite changes in craving and verbal learning.
Read guideOct 20, 2026
A 2009 modafinil pilot enrolled 8, treated 7 and retained 4. Self-reported meth use declined, but repeated urine amphetamine screens did not: p=.61.
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