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  • Parietal lobe: One of the four subdivisions of the cerebral cortex; it is involved in sensory processes, attention, and language. [5]
  • Physical dependence: An adaptive physiological state that occurs with regular drug use and results in a withdrawal syndrome when drug use is stopped; usually occurs with tolerance. [3]
  • Polyneuropathy: Permanent change or malfunction of nerves. Sudden sniffing death - A type of death that can occur when inhaled fumes fill up the cells in the lungs with poisonous chemicals, leaving no room for the oxygen needed to breathe. This lack of oxygen can lead to suffocation, respiratory failure, and death. [9]
  • Polyneuropathy: A drug that distorts perception, thought, and feeling. This term is typically used to refer to drugs with actions like those of LSD. [5]
  • Psychoactive: Having a specific effect on the mind. [1]
  • Psychoactive drug: A drug that changes the way the brain works. [5]
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  1. National Institute on Drug Abuse. NIDA Research Report-Marijuana Abuse, Glossary
    http://www.drugabuse.gov/ResearchReports/Marijuana/Marijuana6.html#glossary:
    NIH Pub. No. 02-3859. Bethesda, MD: NIDA, NIH, DHHS. October 2002.
  2. National Institute on Drug Abuse. NIDA Research Report-Steroid Abuse and Addiction, Glossary
    http://www.drugabuse.gov/ResearchReports/Steroids/anabolicsteroids5.html#glossary:
    NIH Pub. No. 00-3721. Bethesda, MD: NIDA, NIH, DHHS. Printed 1991. Reprinted 1994, 1996. Revised April 2000.
  3. National Institute on Drug Abuse. NIDA Research Report-Nicotine Addiction, Glossary
    http://www.drugabuse.gov/researchreports/nicotine/nicotine5.html#glossary:
    NIH Pub. No. 01-4342. Bethesda, MD: NIDA, NIH, DHHS. Printed July, 1998. Reprinted August 2001.
  4. National Institute on Drug Abuse. NIDA Research Report-Hallucinogens and Dissociative Drugs, Glossary
    http://www.drugabuse.gov/ResearchReports/hallucinogens/halluc5.html:
    NIH Pub. No. 01-4209. Bethesda, MD: NIDA, NIH, DHHS. Printed March 2001.
  5. National Institute on Drug Abuse. The Brain: Understanding Neurobiology Through the Study of Addiction, Glossary
    http://www.drugabuse.gov/Curriculum/HSCurriculum.html:
    NIH Pub. No. 00-4871. Bethesda, MD: NIDA, NIH, DHHS. Printed 2000.
  6. National Institute on Drug Abuse. NIDA Research Report- Cocaine Abuse and Addiction, Glossary
    http://www.drugabuse.gov/ResearchReports/Cocaine/cocaine5.html#glossary:
    NIH Pub. No. 99-4342, Bethesda, MD: NIDA, NIH, DHHS. Printed May 1999. Revised November 2004
  7. National Institute on Drug Abuse. NIDA InfoFacts- Methylphenidate (Ritalin)
    http://www.drugabuse.gov/Infofacts/ritalin.html:
  8. National Institute on Drug Abuse. NIDA InfoFacts: Drug Abuse and AIDS
    http://www.drugabuse.gov/Infofacts/drugabuse.html:
  9. National Institute on Drug Abuse. NIDA Research Report- Inhalants Abuse
    http://www.drugabuse.gov/ResearchReports/Inhalants/:
    NIH Pub. No. 00-3818, Bethesda, MD: NIDA, NIH, DHHS. Printed 1994, Reprinted 1996, 1999. Revised July, 2000, Revised 2005