Lesson 1: Introduction and the classification of schizophrenia: Flashcards
Definition of schizophrenia
“Aseverementaldisorder
characterisedbydisruptionof
cognitiveandemotionalfunctioning.
Iteffectslanguage,thoughts,
perceptions,emotions,senseofself.
Thepersonhearsvoicesandsees
vision
What does schizophrenia mean
Split mind/ brain
Prevalence rate of schizophrenia
Theillnesshasa1%prevalencerate,ageof
onsetisfrom15-45,equalchanceofmalesand
femalesgettingtheillness
What is type 1 acute onset
TypeI:Acuteonset:Obviouspositivesymptomsappear
suddenlyusuallyafterstressfulevents,(e.g.days/weeksor
months)
What is type 2 chronic onset
TypeII:Chroniconset:Theillnesstakesmanyyearstoform,
andgradualchangesofincreaseddisturbanceandwithdrawal
occur.Characterisedbynegativesymptoms
•
Is their gender differences in schizophrenia
Thereisnogenderdifferenceswhenlookingatchancesof
gettingschizophrenia,butmalestendstohaveearlieronset
thanfemale
What are the 7 types of schizophrenia
Catatonic:
Totalimmobility,orrockingbackandforthorcatalepticstupor(adopt
strangebodypositions)
Paranoid:
Delusionsofpersecutionand/orhallucinations
Undifferentiated:
Patientsareplacedinthiscategoryiftheydonotfitintotheothers
Residual:
Thepatienthashadschizophreniainthepast,butdoesnothave
enoughofthesymptomsnowtobeclassedasaschizophrenic.Might
havelongtermnegativesymptoms
Simpleschizophrenia:
Nodelusions/hallucinationspresent,butnegativesymptomsand
psychosismightbepresent
Postschizophreniadepression:
Personhasaschizophrenicepisodeandthisisthenfollowedwitha
longtermdepressiveepisode
Disorganised:
Delusions,hallucinations,incoherentspeechandmoodswing
What is ICD 11
International Classification of Diseases tenth edition (ICD-11)
• ICD-11 was produced by the World Health Organisation
• ICD-11 is updated every few years
• It focuses on clusters of symptoms needed to classify a psychiatric illness
• Mainly used in Europe
• For schizophrenia, the ICD-11 focuses on subtypes of schizophrenia, whereas DSM-V does not do this anymore.
What is DSM V
The Diagnostic Statistical Manual fifth edition (DSM-V):
• Classification and description of 200 mental disorders which are grouped together in terms of features
• DSM-V was produced in the USA
• It is updated every few years, for instance in 2013 DSM-V was introduced
• DSM-IV used to have subtypes of schizophrenia that existed, however when DSM-V was introduced, the subtypes were removed.
What is DSM V criteria for schizophrenia
Criterion A:
Need 2 or more of the following criteria must be present, OR only one of the criteria must be present if the delusion is bizarre or hallucinations consist of a running commentary of the person’s behaviour or thoughts:
A) Delusions
B) Hallucinations
C) Disorganised speech
D) Grossly disorganised/catatonic behaviour
E) Negative symptoms such as flattening/avolition
Criterion B: Social/occupational dysfunction:
Since the onset of schizophrenia, one or more areas of functioning will be negatively affected e.g. work/interpersonal/self-care.
Criterion C: Duration
Continuous signs of disturbance will be present for 6 months or more.
Symptoms from criterion A must be present for one month.
During non-active periods, disturbance might be limited to negative symptoms only, or two or more symptoms from criterion A.
What is a delusion
What are hallucinations
What is catatonic behaviour
What is avolition
Advantages and disadvantages of having two psychological manuals to diagnose mental illnesses