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34 Cards in this Set

  • Front
  • Back

PSYCHOSIS

• Generic term


• “Break with Reality”


• Symptom, not an illness


• Caused by a variety of conditions that affect the functioning of the brain.


• Includes hallucinations, delusions and thought disorder

Psychotic behavior

–Cluster of disorders characterized by hallucinations and/or loss of contact with reality –A symptom

Schizophrenia

– A type of psychosis with disturbed thought, perception, language, emotion, and behavior

Emil Kraeplin

– Used the term dementia praecox, focused on onset and outcomes

Eugen Bleuler

– Introduced the term “schizophrenia” or “splitting of the mind

Positive Symptoms

• Active manifestations of abnormal behavior, distortions of normal behavior


•A symptom added to a person with schizophrenia that is attypical in other people.


• Examples include delusions, hallucinations, and disorganized speech

Delusions

“The Basic Characteristics of Madness”


• Gross misrepresentations of reality


• Examples include ______ of grandeur or persecution

Hallucinations

• Experience of sensory events without environmental input


• Can involve all senses, but auditory _______ are the most common


• Findings from SPECT studies

Negative Symptoms

• Absence or insufficiency of normal behavior • Examples are emotional/social withdrawal, apathy, and poverty of thought/speech

• Avolition (or apathy) – Inability to initiate and persist in activities


• Alogia – A relative absence of speech


• Anhedonia – Inability to experience pleasure or engage in pleasurable activities


• Flat affect – Show little expressed emotion, but may still feel emotion

Spectrum of Negative Symptoms (4 A's)

Disorganized Symptoms

• are symptoms that include severe and excess disruptions in speech, behavior, and emotion.

Cognitive slippage

– Illogical and incoherent speech

Tangentiality

– “Going off on a tangent” and not answering a question directly

Loose associations or derailment

– Taking conversation in unrelated directions

Disorganized Affect

Inappropriate emotional behavior (e.g., crying when one should be laughing)

Catatonia

– Spectrum from wild agitation, waxy flexibility, to complete immobility

Paranoid Type – 295.30

•Subtype of Schizophrenia


• Intact cognitive skills and affect, and do not show disorganized behavior


• Hallucinations and delusions center around a theme (grandeur or persecution)

Disorganized Type – 295.10

•Subtype of Schizophrenia


• Marked disruptions in speech and behavior, flat or inappropriate affect


• Hallucinations and delusions have a theme, but tend to be fragmented


• This type develops early, tends to be chronic, lacks periods of remissions

Catatonic Type – 295.20

Subtype of Schizophrenia


• Show unusual motor responses and odd mannerisms (e.g., echolalia, echopraxia)


• This subtype tends to be severe and quite rare

Undifferentiated Type – 295.90

Subtype of Schizophrenia


• Major symptoms of schizophrenia, but fail to meet criteria for another type

Residual Type – 295.60

• Subtype of Schizophrenia


• One past episode of schizophrenia


• Continue to display less extreme residual symptoms (e.g., odd beliefs)

Schizophreniform Disorder – 295.40

• Schizophrenic symptoms for less than 6 months


• Associated with good premorbid functioning; most resume normal lives

Schizoaffective Disorder – 295.70

• Symptoms of schizophrenia and a mood disorder (e.g., bipolar disorder)


• Prognosis is similar for people with schizophrenia


• Such persons do not tend to get better on their own

Delusional Disorder – 297.1

• Delusions that are contrary to reality without other major schizophrenia symptoms


• Many show other negative symptoms of schizophrenia


• Type of delusions include erotomanic, grandiose, jealous, persecutory, and somatic


• This condition is extremely rare

Brief Psychotic Disorder – 298.8

• Experience one or more positive symptoms of schizophrenia


• Usually precipitated by extreme stress or trauma


• Lasts less than one month

Shared Psychotic Disorder – 297.3

• Delusions from one person manifest in another person


• Little is known about this condition

Schizotypal Personality Disorder

• May reflect a less severe form of schizophrenia

Process vs. Reactive Distinction

_______ – Insidious onset, biologically based, negative symptoms, poor prognosis


________ – Acute onset (extreme stress), notable behavioral activity, best prognosis

Good vs. Poor Premorbid Functioning in Schizophrenia

• Focus on person’s level of function prior to developing schizophrenia


• No longer widely used

Type I vs. Type II Distinction and Schizophrenia

_______ – Positive symptoms, good response to medication, optimistic prognosis, and absence of intellectual impairment


________ – Negative symptoms, poor response to medication, pessimistic prognosis, and intellectual impairments

Onset and Prevalence of Schizophrenia worldwide

• About 0.2% to 1.5% (or about 1% population)


• Usually develops in early adulthood, but can emerge at any time

Schizophrenia Is Generally Chronic

• Most suffer with moderate-to-severe impairment throughout their lives


• Life expectancy in persons with schizophrenia is slightly less than average

Schizophrenia Affects Males and Females About Equally

• Females tend to have a better long-term prognosis


• Onset of schizophrenia differs between males and females

Dopamine

Drugs that increase _________ (agonists), result in schizophrenic-like behavior


• Drugs that decrease _________ (antagonists), reduce schizophrenic-like behavior