How Are Psychoactive Drugs Classified?

In this video I describe the 3 main classifications of psychoactive drugs: stimulants, depressants (including narcotics), and hallucinogens. I provide several examples of each drug type, the associated effects on the nervous system, and the relationship to concepts of neuroadaptation, … Read More

How Do Drugs Influence Neural Communication?

In this video I describe how psychoactive drugs can influence neural communication by passing through the blood-brain barrier and acting as either agonists or antagonists. The brain also responds to this influence via neuroadaptation which can create tolerance and withdrawal … Read More