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Chapter 1 - Psych 2800
Memorial University
42
Psychology
Undergraduate 2
10/02/2017

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Term
Psychopharmacology
Definition
Study of how drugs affect mood, perception, thinking, or behaviour
Term
Psychoactive Drugs
Definition
Drugs that affect mood, perception, thinking, or behaviour by acting in the nervous system
Term
Behavioural Pharmacology
Definition
The study of how drugs affect behaviour. Sometimes behavioural pharmacologists emphasize principles used in the field of behaviour analysis
Term
Neuropsychopharmacology
Definition
The study of how drugs affect the nervous system and how these nervous system changes alter behaviour
Term
Pharmacotherapeutics
Definition
Drugs used for treating disorders
Term
Drug
Definition
An administered substance that alters physiological functioning
Term
Instrumental Drug Use
Definition
Using a drug to address a specific purpose
Term
Therapeutic Drugs
Definition
Drugs used to treat a physical or mental disorder
Term
Recreational Drug Use
Definition
Using a drug entirely to experience the drug's effects
Term
Trade or Brand Name
Definition
A trademarked name a company provides for a drug
Term
Generic name
Definition
A nonproprietary name that indicates the classification for a drug and distinguishes it from others in the same class
Term
Dose
Definition
Ratio of the amount of drug per an organism's body weight
Term
ED 50 Value
Definition
- Effective Dose 50 Value
- Represents the dose at which 50 percent of an effect was observed
Term
Potency
Definition
Amount of drug used to produce a certain level of effect
Term
Therapeutic Index
Definition
Ratio of a drug's toxic dose-effect curve value relative to therapeutic dose-effect curve value
Term
Certain Safety Index
Definition
- A therapeutic index calculated by dividing a TD 1 (Toxic Dose in 1%), value by an ED99 (Effective dose in 99%) value
- Very conservative. Ensures safety.
Term
Pharmacodynamics
Definition
The physiological actions of drugs
Term
Pharmakinetics
Definition
A drug's passage through the body
Term
Pharmacogenetics
Definition
The study of how genetic differences influence a drug's pharmacokinetic and pharmacodynamic effects
Term
Objective effetcs
Definition
Pharmacological effects that can be directly observed by others
Term
Subjective effects
Definition
Pharmacological effects that cannot be directly observed by others
Term
Profile of Mood States Questionnaire (POMS)
Definition
-Asks participants to rate the degree of agreement with a word or statement that describes how they might feel from "a little" to "extremely"
- Used for measuring subjective effects of drugs
Term
Correlational Study
Definition
Study in which an investigator does not alter the independent variable. Does not demonstrate any causal relationships
Term
Experimental Study
Definition
Researchers alter a study's independent variable and observe changes in a dependent variable. Can identify causal relationships between independent and dependent variables.
Term
Placebo
Definition
Substance identical in appearance to a drug but physiologically inert
Term
Treatment arms
Definition
Number of treatments and doses provided to patients described in a clinical study. ie. One treatment and placebo = Two arms. Two different doses and one placebo = 3 arms
Term
Clinical Study Reports
Definition
Detailed summaries of a clinical study's design and results
Term
Single-blind Procedure
Definition
When researchers do not inform study participants which treatment or placebo they received
Term
Double-blind procedure
Definition
When neither participants nor investigators know the treatment assignments during a study
Term
Open-label studies
Definition
Assignment of study treatments without using blinded procedures.
Used in cases where disguising study medications may have serious ethical or medical consequences (ex. chemo drugs)
Term
Internal Validity
Definition
Control of variables with potential to influence a dependent variable
Term
External Validity
Definition
Ability to extend findings beyond study conditions
Term
Face Validity
Definition
Test appears to measure what a researcher considers it to measure
Term
Construct Validity
Definition
How well a study's findings relate to the underlying theory of a study's obejectives
Term
Predictive Validity
Definition
Ability of a model to predict treatment effects
Term
Teratogen
Definition
A substance harmful to a fetus
Term
The 3 R's
Definition
Replacement, Reduction and Refinement
Ethical questions regarding animal testing

*Institutional Animal Care and Use Committee
Term
Ethical Cost
Definition
Assessment that weighs the value of potential research discoveries against the potential pain and distress experience by research subjects
Term
Informed Consent
Definition
Consent gained after a participant thoroughly understands a study's procedures, possible gains, and potential risks
Term
Why are animals used for psychopharmacological research?
Definition
- Because they have a high predictive value
- Because there are no other viable alternatives
Term
6 Stages of Therapeutic Drug Development
Definition
1. Identify Disorder to Treat
2. Drug synthesis
3. Biological experimentation
4. Focused screening methods
5. Safety pharmacology
6. Clinical Trials
Term
Clinical Trial
Definition
A government approved therapeutic drug experiment in humans' drug development; a multistep process of developing an effective, safe, and profitable therapeutic drug
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