Class Notes (839,626)
United States (326,062)
Psychology (153)
PSYC 465 (12)
johnson (12)
Lecture 6

PSYC 465 Lecture 6: PSYC 361 Lecture 6

5 Pages

Course Code
PSYC 465

This preview shows pages 1 and half of page 2. Sign up to view the full 5 pages of the document.
PSYC 361 Lecture 6 Abnormal Psychology Chapter 10: Schizophrenia Spectrum and Other Psychotic Disorders • What is Psychosis? o From the Greek: psyche meaning “soul”, and osis for “abnormality” ▪ Abnormality of the soil o Definition : loss of contact with reality about world and self o Reality Testing ▪ Ability to distinguish between thoughts and perceptions originating from within our minds versus from the outside world - people with psychosis cannot do this or it is severely impaired o Different from “psychopathy” which occurs in antisocial personality disorder - refers to someone who is antisocial, has a complete disregard for others, etc. • Psychotic Symptoms o Hallucinations ▪ Sensory perceptions in the absence of external stimuli - can exist in all 6 (including balance) senses ▪ Auditory most common - 71% vs. 14% for visual hallucinations o Delusions ▪ Erroneous beliefs, misinterpretation of perceptions • Persecution (someone is out to get them) • Grandeur (believe they are god) • Influence (someone is forcing them to do things) • Reference (idea that one is receiving a special message just for them) ▪ Can be bizarre or non-bizarre o Disordered Thinking/Speech ▪ Derailment, loose associations, tangentiality, clanging, disorganization speaking (word salad) o Lack of insight that thoughts are unrealistic • Positive vs. Negative Symptoms o Positive - excess/distortion in normal functions ▪ Psychotic (hallucinations and delusions) ▪ Disorganization (speech, behaviors) • Catatonia - disorganized movement o Waxy flexibility o Negative - capacities patient has lost ▪ Reduced emotions (affective flattening, anhedonia) ▪ Reduced speech productivity (alogia) ▪ Reduced goal-directed behavior (avolition) o Cognitive Impairments ▪ Reduced scores on standard intelligence testing ▪ Impaired social cognition • Schizophrenia o History : Dementia Praecox ▪ Emil Kraepelin & Eugen Bleuler ▪ Young people developing dementia o Greek : schizo = “to split” , phrene = “mind” (e.g., split mind) ▪ Often misperceived as referring to Dissociative Identity Dx (DID) o 2 or more positive or negative sx’s, and lasts for 6 months or more ▪ Only need to be actively psychotic for 1 month or more ▪ Must include at least one positive sx : hallucinations, delusion, or disorganized speech o Not caused by drugs or organic factors, and result in markedly impaired function • Course of Schizophrenic Sx’s o Prodromal Phase ▪ Person begins deteriorating in interpersonal and work functioning • Also, poor grooming, odd thoughts, inappropriate emotionality, low energy, but no active sx’s o Active Phase ▪ Positive and/or negative sx’s for 1 month or more o Residual Phase ▪ Similar to prodromal phase, no more psychotic sx’s • Negative sx’s remain : impairment in work, relationship, self-care • Epidemiology o Prevalence / Demographics ▪ .72% (lifetime); “universal syndrome” ▪ Age of onset - varies by gender • Men - mid 20’s • Women - bimodal - late 20’s and 45 ▪ Gender • Men = women • Prognosis better for women - fewer negative sx’s ▪ Race • No difference in sx’s, but different rate of diagnoses o White people - more like to receive mood disorder diagnosis o Black people and Hispanics - more likely to receive schizophrenia diagnosis o Course ▪ Sx’s may stabilize or discontinue after acute phase ends, but complete remission is rare ▪ Typically, gets worse the longer it is left untreated • Etiology o Genetics
More Less
Unlock Document

Only pages 1 and half of page 2 are available for preview. Some parts have been intentionally blurred.

Unlock Document
You're Reading a Preview

Unlock to view full version

Unlock Document

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.