Concept art. Concept art is a form of illustration used to convey an idea for use in films, video games, animation, comic books, or other media before it is put into the final product. Concept art is also referred to as visual development and/or concept design.
The term âpsychoactive substancesâ includes all substances that affect the brainânot only legal, non-prescription drugs such as alcool and tobacco) and illegal drugs such as cannabis and heroin), but also prescription medications such as Valium and other tranquilizers and Prozac and other antidepressants.
How Drugs Work. Drugs make their effects known by acting to enhance or interfere with the activity of neurotransmitters and receptors within the synapses of the brain. Some neurotransmitters carry inhibitory messages across the synapses, while others carry excitatory messages.