PSYC10004 Lecture Notes - Lecture 31: Executive Functions, Affect Display, Clanging
28 Jun 2018
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LECTURE 31: SCHIZOPHRENIA SPECTRUM AND OTHER PSYCHOTIC DISORDERS
THE CASE OF LOUIS WAIN
Visual artist, continued to produce art as he developed schizophrenia (included cats)
oThe way he interpret/experience his visual reality started changing
Distinct characteristics between the world and his condition
THE PSYCHOSES – DEFINITION
Psychosis – an umbrella term meaning – out of touch with reality
Can refer to a variety of clusters of symptoms:
oPsychotic symptoms can occur in a range of disorders including:
Organic presentations like dementia (medical and/or neurological
conditions)
Substance use: amphetamine psychosis etc.
At the disorder level, psychosis refers to a group of disorders distinguished from one another
in terms of:
oSymptom configuration – e.g. delusional disorder vs schizophrenia
Non-bizarre (possible in terms of reality – i.e. partner cheating) vs bizarre
(not scientifically possible/likely in our world) delusion
oDuration – e.g. schizophrenia vs schizophreniform disorder
< or > than 6 months
schizophreniform = <6 months
then proceeds to schizophrenia
oRelative pervasiveness
In terms of both duration and clinical picture? Psychotic symptoms vs
affective symptoms which is the core?
i.e. bipolar vs schizoaffective disorder
SCHIZOPHRENIA – split mindedness or a mind torn asunder
oInvolves disruption in various aspects of perceiving, thinking, feeling and behaviour
oPhenomena associated with schizophrenia classified into two major groups or
symptoms
POSITIVE SYMPTOMS – additive to normal experience (I.e. hearing something = something
additional to daily life)
Hallucinations
find more resources at oneclass.com
find more resources at oneclass.com
oPercept in absence of environmental stimuli
oOccur in any sensory modality (auditory – most common, then visual)
Delusions
oA false belief both bizarre and non-bizarre
oPersecutory – someone has ill intent for you (i.e. being monitored)
oIdeas (delusions) of reference) – i.e. thinking a lecture slide is made specifically for
you
oGrandiose (plus religious) – having special ability, better than others
oSomatic delusions – your arm doesn’t belong to you
oPassivity phenomena – e.g. thought insertion, thought withdrawal, thought
broadcasting, delusions of control (made actions/feelings/impulses), mind reading
Hearing a sound: hallucination
Believing it was the sound of a devil: delusion
POSITIVE THOUGHT DISORDER
Clanging – speech pattern based on phonological association rather than semantic or
syntactic (non-sensical)
Circumstantiality – speech including unnecessary or irrelevant details goal
eventually reached
Flight of ideas – sequence of loosely associated concepts are articulated, sometimes
rapidly change from topic to topic
Derailment – speech steers off-topic to unrelated things
Incoherence – word salad, incomprehensible speech
Pressure of speech – excessive spontaneous speech production and rapid rate,
difficult to interrupt SENSE OF URGENCY
NEGATIVE SYMPTOMS – deficit in normal function (impairment, losing something in daily life, taken
away)
Avolition – lack of motivation to achieve goals
Alogia (negative thought disorder) – includes poverty of speech (less speech than normal),
poverty of content of speech (less content than normal – vague), latency of speech and
thought blocking
Anhedonia – inability to experience pleasure (I.e. not getting pleasure from being around
people)
find more resources at oneclass.com
find more resources at oneclass.com
Document Summary
Lecture 31: schizophrenia spectrum and other psychotic disorders. Visual artist, continued to produce art as he developed schizophrenia (included cats: the way he interpret/experience his visual reality started changing. Distinct characteristics between the world and his condition. Psychosis an umbrella term meaning out of touch with reality. Can refer to a variety of clusters of symptoms: psychotic symptoms can occur in a range of disorders including: Organic presentations like dementia (medical and/or neurological conditions) At the disorder level, psychosis refers to a group of disorders distinguished from one another in terms of: symptom configuration e. g. delusional disorder vs schizophrenia. Non-bizarre (possible in terms of reality i. e. partner cheating) vs bizarre (not scientifically possible/likely in our world) delusion: duration e. g. schizophrenia vs schizophreniform disorder. < or > than 6 months schizophreniform = <6 months then proceeds to schizophrenia: relative pervasiveness. Psychotic symptoms vs affective symptoms which is the core? i. e. bipolar vs schizoaffective disorder.
