Cannabinoids, Terpenes & Effects
Psychoactive
Psychoactive describes a substance that affects the mind, changing mood, perception, thoughts, or behavior.
What psychoactive means in cannabis
Psychoactive refers to any substance that influences brain function and alters mental processes such as perception, mood, consciousness, or cognition. In cannabis, psychoactive effects are most commonly associated with THC, the primary compound responsible for the “high,” though other cannabinoids and terpenes can subtly influence mental states as well.
Origins and historical use of psychoactive substances
The term psychoactive comes from pharmacology and neuroscience, fields that study how chemicals interact with the brain and nervous system. Historically, psychoactive plants have been used for thousands of years in medicinal, spiritual, and cultural practices. Cannabis has long been recognized as psychoactive, even before its active compounds were identified, due to its noticeable effects on awareness and sensory perception.
How psychoactivity works in the brain
In cannabis science, psychoactivity is mainly linked to THC’s interaction with the endocannabinoid system, specifically CB1 receptors (receptors in the brain that regulate memory, mood, coordination, and reward). When THC binds to these receptors, it alters normal signaling, producing effects such as euphoria, relaxation, altered time perception, and increased sensory awareness. In contrast, CBD is considered non-psychoactive because it does not cause intoxication, even though it still affects the brain in subtler ways.
What affects the intensity of psychoactive effects
Psychoactive effects vary based on dose, bioavailability, and delivery method. Inhaled cannabis produces faster psychoactive effects, while edibles and beverages produce delayed but often longer-lasting experiences due to liver metabolism and the creation of 11-hydroxy-THC (a stronger metabolite). Terpenes also play a role by influencing how psychoactivity feels, such as energizing, calming, or focusing effects.
Psychoactivity in cultivation and product design
In cultivation and product development, understanding psychoactivity guides plant breeding and formulation. Growers may select high-THC cultivars for recreational markets or low-THC, high-CBD varieties for users seeking minimal psychoactive effects. Clear labeling and education are essential to help consumers choose products that match their comfort level.
Common challenges and responsible use
Common challenges with psychoactive substances include overconsumption, anxiety, and impaired coordination. Responsible dosing, awareness of onset time and duration, and product selection help manage these effects safely.
Related terms:
THC, CBD, Cannabinoid, Dosing, and Endocannabinoid System.
Stay informed as the site grows.
If you’d like to be notified when new glossary terms or educational resources are added, you can join the mailing list below.
We send emails occasionally and only when there’s something genuinely useful to share.
