---
title: "Assessment of cognitive and psychomotor impairment, subjective drug effects, and blood THC concentrations"
slug: "assessment-of-cognitive-and-psychomotor-impairment-subjective-drug-effects-and-blood-thc-concentrations"
updated: 2023-07-24T15:36:35Z
published: 2023-07-24T15:36:35Z
canonical: "help.impairmentscience.com/assessment-of-cognitive-and-psychomotor-impairment-subjective-drug-effects-and-blood-thc-concentrations"
---

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# Assessment of cognitive and psychomotor impairment, subjective drug effects, and blood THC concentrations

[Embedded object](https://cdn.document360.io/777484ac-1e29-4520-a9ea-e12737fa1943/Images/Documentation/John-Hopkins-Study-Complete.pdf)