Class Notes (905,092)
CA (538,354)
UTSC (32,636)
Psychology (7,991)
PSYA02H3 (1,057)
John Bassili (120)
Lecture

psych lecture 32

2 Pages
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Department
Psychology
Course Code
PSYA02H3
Professor
John Bassili

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Psych lecture 32
Psychoses- loss of touch with reality
oMost common form is schizophrenia
Set of disorders that incorporates a number of symptoms
Disturbances of perceptions (see/hear things)
Disturbance of cognition (delusional, thoughts about things do
not believe)
Odd behaviours disconnected thoughts
Positive symptoms- abnormal, - hallucinations, delusions
Negative symptoms- things that are missing from the
individual lack of affect. Social withdrawal
Involves acute episodes followed by periods of remission
4 classes
Disorganized speech is incoherent, thoughts are scattered,
hallucinations and delusions
Catatonic— they show little reactivity; frozen in unusual
positions; detachment
Paranoid- delusions of persecutions; often hear voices
(threatening voices)
Undifferentiated- symptoms that dont fit into other categories;
Residual- at least one schizophrenic episode; however,
symptoms are very mild
Biological factors
50% chance that if one twin has it, the other one will
MRIs find that schizophrenics have less grey matter; fissures
are bigger- less mass to their brains
Dopamine has been closely associated with the disorder; as well
as serotonin
Vulnerability- social/life conditions might be responsible for pushing
them into a psychotic episode
SES is linked with schizophrenia (poor nutrition, lack of education etc)
Phenothyazines- quite effective class of medicines half of patients
benefits
Tartive dyskenisia?- disfiguring actions that they cannot
control; sets in after the treatment involuntary face
movements
Family/group/mileu therapy
oSelf-injurious behaviour (form of autism/mental retardation)
Harry- used restraints : used to reinforce the absence of self-abuse
Told that if he could count to 100, he could get his restraints back;
went for a long period of time out of restraints and no self-abuse
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Description
Psych lecture 32 Psychoses- loss of touch with reality o Most common form is schizophrenia Set of disorders that incorporates a number of symptoms Disturbances of perceptions (seehear things) Disturbance of cognition (delusional, thoughts about things do not believe) Odd behaviours disconnected thoughts Positive symptoms- abnormal, - hallucinations, delusions Negative symptoms- things that are missing from the individual lack of affect. Social withdrawal Involves acute episodes followed by periods of remission 4 classes Disorganized speech is incoherent, thoughts are scattered, hallucinations and delusions Catatonic they show little reactivity; frozen in unusual positions; detachment Paranoid- delusions of persecutions; often hear voices (threatening voices) Undifferentiated- symptoms that dont fit into other categories; Residual- at least one schizophrenic episode; however, symptoms
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