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Lecture 8

PSY 2301 Lecture 8: _drugs_hormones


Department
Psychology
Course Code
PSY 2301
Professor
Andra Smith
Lecture
8

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How Do Drugs and Hormones
Influence the Brain and Behaviour?
Focus on New Research: Neural Basis of
Drug Cravings
Principles of Psychopharmacology
Classification of Psychoactive Drugs
Drugs, Experience, Context, and Genes
Hormones

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Principles of Psychopharmacology
Psychopharmacology
Study of how drugs affect the nervous system and
behaviour
Drugs
Chemical compounds administered to produce a
desired change in the body
Psychoactive Drug
Substance that acts to alter mood, thought, or
behaviour and is used to manage
neuropsychological illness

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Principles of Psychopharmacology
Drug Routes into the Nervous System
Routes of Drug Administration
Oral administration is the safest, easiest, and
most common route
But oral administration is also the most complex
as there are more barriers that the drug must
cross to have its desired effect
Other methods, such as inhalation or injection,
produce much faster effects as there are fewer
barriers for the drug to pass
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