symptoms and features of schizophrenia Flashcards

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1
Q

give four positive symptoms ?

A
  1. delusions
  2. hallucinations
  3. disorganised thinking and/or speaking
  4. abnormal motor behaviours
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2
Q

define delusion

A

beliefs that are contrary to fact

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3
Q

define hallucinations

A

perceptual experiences that occur in the absence of external stimulation of the corresponding sensory organ

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4
Q

define disorganised thinking/speech

A

an inability to make connections between thoughts, resulting in incomprehensible language and ideas that seem loosely connected

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5
Q

define disorganised behaviour

A

behaviour that is not necessarily expected in the situation, or that changes rapidly and is out of context

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6
Q

what are positive symptoms ?

A

symptoms that add to the experience of the patient

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7
Q

what are four examples of negative symptoms ?

A
  1. lack of energy and enthusiasm
  2. poverty of speech
  3. poor motivation (avolition)
  4. social withdrawal
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8
Q

define catatonia

A

various motor disturbances characterised by abnormality of movement and behaviour

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9
Q

what are negative symptoms ?

A

symptoms that mean the person has ‘lost’ an element of normal functioning

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10
Q

what are grandiose delusions ?

A

the individual believes they have remarkable qualities such as being famous or having special powers

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11
Q

what are persecutory delusions ?

A

the individual reports believing that others are ‘out to get them’ and trying to harm them in some way

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12
Q

what are referential delusions ?

A

the individual holds a belief that certain behaviours or language from others are being directed at them personally

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13
Q

what is the likelihood of someone developing schizophrenia ?

A

between 0.3 and 0.7 per cent

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14
Q

what are the gender differences in the features of schizophrenia ?

A

males are more likely to develop a higher proportion of negative symptoms and have a longer durations of the disorder - which are both associated with poor prognosis

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15
Q

when is the peak onset of schizophrenia in males ?

A

mid-twenties

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16
Q

when is the peak onset of schizophrenia is females ?

A

late twenties

17
Q

name a feature of schizophrenia that involves its prognosis?

A

it is often a degenerative disorder where the episodes develop overtime

18
Q

when is it more likely for a patient to have a worse prognosis ?

A

when the patients show psychotic episodes earlier than in late adolescence

19
Q

what percentage of those diagnosed with schizophrenia respond well to treatment ?

A

approximately 20%