Trial reportJournal of analytical toxicology2015
Smoked cannabis' psychomotor and neurocognitive effects in occasional and frequent smokers.
Trial report in Journal of analytical toxicology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03994926 (Evaluation of an Eye Tracking Sensor to Detect Cannabis Impairment), which is not on this map. Cited by 49 papers, 2 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Evaluation of an Eye Tracking Sensor to Detect Cannabis Impairment
Who cites it
49 citing papers in PubMed, 2 syntheses or guidelines pooled it, 134 citations in OpenAlex.
- The effect of tetrahydrocannabinol:cannabidiol oromucosal spray on cognition: a systematic review.European journal of clinical pharmacology · 2023Pooled it
- The Behavioral Sequelae of Cannabis Use in Healthy People: A Systematic Review.Frontiers in psychiatry · 2021Pooled it
- Who responds to a multi-component treatment for cannabis use disorder? Using multivariable and machine learning models to classify treatment responders and non-responders.Addiction (Abingdon, England) · 2023Trial
- Can inhaled cannabis users accurately evaluate impaired driving ability? A randomized controlled trial.Frontiers in public health · 2023Trial
- Cannabidiol (CBD) content in vaporized cannabis does not prevent tetrahydrocannabinol (THC)-induced impairment of driving and cognition.Psychopharmacology · 2019Trial
- Individual and combined effects of acute delta-9-tetrahydrocannabinol and cannabidiol on psychotomimetic symptoms and memory function.Translational psychiatry · 2018Trial
- Medical Marijuana Initiation and Simulated Driving Performance Among Mid-to-Late-Life Adults With Chronic Pain: Prospective Observational Feasibility Cohort Study With Matched Controls.JMIR formative research · 2026Observational
- The effects of orally ingested Delta-9-Tetrahydrocannabinol on drivers' hazard perception and risk-taking behaviours: A within-subjects study of medicinal cannabis users.Psychopharmacology · 2026Article
- Edible cannabis use on simulated driving performance.Traffic injury prevention · 2026Article
- Recent Advances in the Science of Cannabis-Impaired Driving.Current addiction reports · 2026Review
- Quantification of ∆9-tetrahydrocannabinol, 11-OH-THC, THC-COOH, hexahydrocannabinol, and cannabidiol in human plasma and blood by liquid chromatography-tandem mass spectrometry.Journal of analytical toxicology · 2025Article
- Quantifying Heart Rate Changes After Delta-9-Tetrahydrocannabinol Administration Using a PBPK-PD Model in Healthy Adults.Pharmaceutics · 2025Article
- Effects of acute cannabis inhalation on reaction time, decision-making, and memory using a tablet-based application.Journal of cannabis research · 2024Article
- Expectations of How Acute Cannabis Use Affects Gambling Experiences and Behaviors.Cannabis (Albuquerque, N.M.) · 2024Article
- A Latent Variable Analysis of Psychomotor and Neurocognitive Performance After Acute Cannabis Smoking.Cannabis (Albuquerque, N.M.) · 2023Article
- Can cannabis kill? Characteristics of deaths following cannabis use in England (1998-2020).Journal of psychopharmacology (Oxford, England) · 2022Article
- The CannTeen study: verbal episodic memory, spatial working memory, and response inhibition in adolescent and adult cannabis users and age-matched controls.Psychopharmacology · 2022Article
- Trends and characteristics of cannabis-associated emergency department visits in the United States, 2006-2018.Drug and alcohol dependence · 2022Article
- Effects of High-Potency Cannabis on Psychomotor Performance in Frequent Cannabis Users.Cannabis and cannabinoid research · 2022Article
- Acute objective and subjective intoxication effects of legal-market high potency THC-dominant versus CBD-dominant cannabis concentrates.Scientific reports · 2021Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 3 institutions in 3 countries.
Funding
Abstract
Δ9-Tetrahydrocannabinol (THC), the primary psychoactive constituent in cannabis, impairs psychomotor performance, cognition and driving ability; thus, driving under the influence of cannabis is a public safety concern. We documented cannabis' psychomotor, neurocognitive, subjective and physiological effects in occasional and frequent smokers to investigate potential differences between these smokers. Fourteen frequent (≥4x/week) and 11 occasional (<2x/week) cannabis smokers entered a secure research unit ∼19 h prior to smoking one 6.8% THC cigarette. Cognitive and psychomotor performance was evaluated with the critical tracking (CTT), divided attention (DAT), n-back (working memory) and Balloon Analog Risk (BART) (risk-taking) tasks at -1.75, 1.5, 3.5, 5.5 and 22.5 h after starting smoking. GLM (General Linear Model) repeated measures ANOVA was utilized to compare scores. Occasional smokers had significantly more difficulty compensating for CTT tracking error compared with frequent smokers 1.5 h after smoking. Divided attention performance declined significantly especially in occasional smokers, with session × group effects for tracking error, hits, false alarms and reaction time. Cannabis smoking did not elicit session × group effects on the n-back or BART. Controlled cannabis smoking impaired psychomotor function, more so in occasional smokers, suggesting some tolerance to psychomotor impairment in frequent users. These data have implications for cannabis-associated impairment in driving under the influence of cannabis cases.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.