'Simple schizophrenia' (another term now seldom used) is characterized by negative symptoms, with gradual deterioration of the personality, flattening of affect, withdrawal from reality, and loss of drive, resulting in a lifestyle of social isolation and self-neglect. Positive symptoms may be few; therefore, in some cases, it is debatable whether a diagnosis of schizophrenia is actually justified. However, such patients can be among the most disabled patients with schizophrenia, unable to function independently. Response to medication is often poor. They will clearly stand in need of mental health services such as supported accommodation. So the question of whether or not a particular diagnosis is appropriate may be somewhat academic.
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