,Diagnosis and Classification of schizophrenia :
spec classification Schizophrenia positive Symptoms (including hallucinations and delusions) and negative Symptoms (speech
: of : ,
poverty and avolition) .
Reliability and validity (including culture and
gender differenced
Schizophrenia: a severe The two major systems for classifications of mental disorders are the ICD-10
mental disorder where and the American DSM-3. .
They differ slightly in diagnosis the DSM focuses on
contact with
reality and positive Symptoms Whilst the ICD focuses on negative symptoms.
insight are impaired ,
an
example of positive
psychosis . symptoms:
hallucinations : These additional experiences beyond those of Ordinary existence,
sensory are
experience that has either
including hallucinations and delusions.
no basis in or are Hallucinations are unusual sensory experiences Some hallucinations are related to events in the environment whilst
reality
distorted views of things that others bear no relationship to what the senses are picking up from the environment .
Hallucinations can be experienced
are in
any sense. The person may see distored facial expressions or hear
things that are not there.
delusions involve beliefs that Delusions also known
:
,
as paranoia, are irrational beliefs. These can take a range of forms. They can be of
have no basis in
reality persecution Ce g
. the government
.
is after them) , Control Chaving a Chip implanted) or grandeur (they are Jesus).
speech poverty : reduced Delusions can make people behave in a
way which is bizarre to others but normal to them
,
.
frequency and
quality of
speech Negative Symptoms :
avolition a loss :
of motivationThese involve a loss of usual abilities and experiences ,
such as speech poverty and avolition.
to
carry out tasks ,
resulting Schizophrenia is characterised by changes in
patterns of speech Speech poverty
. is seen as a
negative symptom
in a lowered
activity level. as the emphasis is on reduction in the amount and quality of speech Modern .
diagnosis places more emphasis
on the
disorganisation of speech, in which speech becomes incoherent or the speaker changes topic mid-sentence.
This is classified as a positive symptom Whilst
negative Symptom
speech poverty is a .
Avolition is when the patient finds it difficult to
begin or keep up with goal-directed activity . People With S2
Often have
sharply reduced motivation to
carry out a
range of activities Andreason
.
(1982) identified three
signs of avolition : poor hygiene , lack of persistance in work and a lack of energy.