Class Notes (834,339)
Canada (508,495)
Psychology (1,994)
PSYC 100 (1,094)
Lecture 1

PSYC 100 Lecture 1: Psyc week 22

6 Pages
Unlock Document

PSYC 100
Jill L Atkinson

Psyc week 22 • Psychoactive substance: a chemical substance that acts on the CNS, where it affects brain function, resulting in changes to person’s emotions, perceptions and thoughts. - Street drugs: cocaine, heroin, and amphetamines - Commonly ingested substance: nicotine, alcohol, caffeine - Others: fuel, paint and antifreeze - impaired control - 1. Taking heh substance in increasingly larger deses or for longer than intended - impaired control - 2. difficulty cutting down - impaired control - 3. a lot of time focused on obtaining, using, and recovering from the drug - impaired control - 4. cravings - social impairment - 5. repeated failure to fulfill importance obligations because of the substance (frequently skipping class or missing work) - social impairment - 6. Continued use of the substance despite it causing problems in the individual’s social or interpersonal relationship (frequent fights with a partner while intoxicated or about the frequency of substance) - social impairment - 7. Important social, occupational, or recreational activities given up or reduced because of substance use - risky use - 8. Repeated use of despite knowing that you have a significant psychological or physical problem due to substance - risky use - 9. continued use of the substance in a situation that is significant in psychological or physical problem due to the substance use - pharmacological issues - 10. Tolerance – an increased dose is needed to achieve the desired effect - pharmacological issues - 11. Withdrawal – symptoms such as tremors, vomiting, agitation, seizures etc whenever the substance starts to leave the tissues and bloodstreams • Substance intoxication: occurs when a person suffers clinically significant negative or harmful behavioral changes or psychological effects because of the influence of a psychoactive substance • Substance withdrawal: occurs when a person suffers clinically significant negative or harmful behavioral changes or psychological effect because of the recently stopped prolonged use of a psychoactive substance • Diathesis (diathesis-stress model 应激模型 ): a model that attributes the emergence of a mental disorder to an existing vulnerability (genetic predisposition and early life experience) precipitated by stress (acute or chronic). “diathesis” refers to the vulnerability • Schizophrenia (mental disorder): a psychological disorder that lasts at least six months and includes at least one month of active phase symptoms that could include delusions, hallucinations, disorganized speech, grossly disorganized or catatonic behavior, or negative symptoms - Schizophreniform disorder: a psychological disorder where the individual experiences the symptoms of schizophrenia for a period of only one six months - Schizoaffective disorder: a psychological disorder where a person experiences a mood episode, such as depression or mania, at the same time that they are exhibiting symptoms of schizophrenia, such as hallucinations Disorders Description Major depressive disorde
More Less

Related notes for PSYC 100

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.