Research

Johns Hopkins Medical Center

Published Studies

Confirming Druid's Accuracy, Sensitivity, and Utility

Publication: Journal of Psychopharmacology

"Assessment of cognitive and psychomotor impairment, subjective drug effects, and blood THC concentrations following acute administration of oral and vaporized cannabis"

Institution: The Johns Hopkins University School of Medicine, Behavioral Pharmacology Research Unit

Authors: Spindle, T R., Martin, E., Grabenauer, M., Woodward, T., Milburn, M., & Vandrey, R. (2021)

Publication: Cannabis and Cannabinoid Research

"Effects of High Potency Cannabis on Psychomotor Performance in Frequent Cannabis Users"

Institution: University of Colorado, Boulder; Washington State University; Impairment Science, Inc.

Authors: Karoly, H. C., Milburn, M. A., Brooks-Russell, A., Brown, M., Streufert, J., Bryan, A. D., Lovrich, N. P., DeJong, W., Bidwell, L. C. (2020)

Publication: Vision Development Rehabilitation, 5, 31-42

"An investigation of the DRUID® smartphone/tablet app as a rapid screening assessment for cognitive and psychomotor impairment associated with alcohol intoxication"

Sponsor: Municipal Police Training Academy

Authors: Richman, J.E., & May, S. (2019)

Why Druid Works

Other Research Using Druid

Institution	Researcher
Utrecht University	V.F. Lambregts
Swinburne University	Dr. Thomas Arkell
University of Colorado	Dr. Cinnamon Bidwell
Colorado State University	Dr. Hollis Karoly
Washington State University	Dr. Nick Lovrich
UCLA	Dr. Ziva D. Cooper
Johns Hopkins Medical Institute	Dr. Ryan Vandrey
Johns Hopkins Medical Institute	Dr. Tory Spindle & Dr. Elise Weerts
Johns Hopkins Medical Institute	Dr. Kelly Dunn
University of Kentucky	Dr. Shanna Babalonis
Yale University	Dr. Godfrey Pearlson
University of Sydney	Dr. Danielle McCartney

Dr. Ryan Vandrey: The Johns Hopkins School of Medicine
"... a novel mobile device application (the DRUID), was the most sensitive measure of impairment when compared to the other cognitive performance tasks administered (i.e., the DSST, DAT, and PASAT) as well as several common field sobriety tests (i.e., the WT, OLS and MRB)."