The Baroque was an elaborate style of art that existed in Europe from the late 1500s to the middle 1700s. Baroque paintings, sculptures, and buildings, as well as musical compositions, are known for their richness and drama. The grand works of art were meant to appeal to a personâs emotions or senses.
Dopamine Levels Increase. All addictive drugs affect brain pathways involving rewardâthat is, the dopamine system in the reward pathway. Within seconds to minutes of entering the body, drugs cause dramatic changes to synapses in the brain. By activating the brain's reward circuitry, drugs deliver a jolt of intense pleasure.
Psychoactive substances often bring about subjective (although these may be objectively observed) changes in consciousness and mood that the user may find rewarding and pleasant (e.g. euphoria) or advantageous (e.g. increased alertness) and are thus reinforcing.here are many ways in which psychoactive drugs can affect the brain. Each drug has a specific action on one or more neurotransmitter or neuroreceptor in the brain. Drugs that increase activity in particular neurotransmitter systems are called agonists.