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.
(1) adrenergic neuron blocking agents-consists of drugs that act within the terminals of sympathetic neurons to decrease norepinephrine release. (2) centrally acting alpha2 agonists-consist of drugs that act within the central nervous system to reduce the outflow of impulses along sympathetic neurons.