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Psychology
Schizophrenia
Reliability & Validity of Diagnosis
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What is the difference between type 1 and type 2 schizophrenia?
Type
1
is acute with
positive symptoms
and responsive to medication, while
type 2
is chronic with
negative symptoms
and poorer prospects of recovery.
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What are the
positive
symptoms of schizophrenia?
Symptoms that
distort
behavior or thoughts in shorter episodes.
Additional
to normal experiences.
Respond to medication.
Examples include:
Hallucinations
(unreal perceptions)
Delusions
(bizarre beliefs)
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What are the negative symptoms of schizophrenia?
Symptoms that
disrupt
normal functioning in chronic episodes.
Respond
poorly
to antipsychotic treatment.
Examples include:
Avolition
(decrease in
motivation
)
Speech poverty
(
disorganized thoughts
)
Affective flattening
(reduced emotional range)
Anhedonia
(loss of pleasure)
Catatonia
(lack of movement and communication)
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How do positive symptoms of schizophrenia differ from negative symptoms?
Positive
symptoms distort behavior or thoughts and respond to medication, while
negative
symptoms disrupt normal functioning and respond poorly to treatment.
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What are hallucinations in the context of schizophrenia?
Hallucinations are
unreal perceptions
of the environment, usually auditory but can also be
visual
,
olfactory
, or
tactile.
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What are
delusions
in schizophrenia?
Delusions are bizarre
beliefs
that seem
real
, such as
paranoia
,
grandeur
, and
reference.
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What is avolition in schizophrenia?
Avolition is a
decrease
in motivation to initiate or perform
self-directed
and purposeful activities.
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What is speech
poverty
(alogia) in schizophrenia?
Speech
poverty
is the
fluency
and production of speech that reflects disorganized thoughts.
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What is affective flattening in schizophrenia?
Affective flattening is a
reduction
in the range of
emotions
expressed.
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What is anhedonia in schizophrenia?
Anhedonia is a loss of
interest
in any pleasure in all activities or loss of
reaction
to typically pleasurable stimuli.
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What is
catatonia
in schizophrenia?
Catatonia is a lack of
movement
and
communication.
View source
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