Depressant (Downer) refers to a substance that decreases activity in the body and nervous system.

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Depressant at psychology-glossary.com■■■■
Depressant refers to psychoactive substance that results in behavioral sedation, such substances include . . . Read More
Alcohol at psychology-glossary.com■■■
Alcohol is a central nervous system depressant. It is an ethanol produced by the action of yeast on sugars. . . . Read More
Narcotic at psychology-glossary.com■■■
Narcotic is defined as a central nervous system depressant that contains sedative and pain-relieving . . . Read More
Opium poppy at psychology-glossary.com■■■
Opium poppy is a plant cultivated for centuries, primarily in Eurasia, for Opium, a narcotic that acts . . . Read More
Abstinence syndrome at psychology-glossary.com■■■
The Abstinence syndrome refers to a characteristic cluster of symptoms that results from a sudden decrease . . . Read More
Narco analysis test at psychology-glossary.com■■■
Narco analysis test refers to a test using the "truth serum". Narco analysis test is conducted by mixing . . . Read More
Nervous system at psychology-glossary.com■■■
Nervous system refers to the sensory and control apparatus consisting of a network of nerve cells. It . . . Read More
Myelin sheath at psychology-glossary.com■■■
Myelin sheath is an insulating material that covers many vertebrate axonsfatty-type covering of axons . . . Read More
Myelin at psychology-glossary.com■■■
Myelin is defined as a fatty layer which coats some axonsan insulating material composed of fats and . . . Read More
Psychoactive at psychology-glossary.com■■■
Psychoactive means pertaining to effects on mood, thinking, and behavior Description In the psychology . . . Read More