Anosognosia, also called "lack of insight," is a symptom of severe mental illness experienced by some that impairs a person’s ability to understand and perceive his or her illness. It is the single largest reason why people with schizophrenia or bipolar disorder refuse medications or do not seek treatment. Without awareness of the illness, refusing treatment appears rational, no matter how clear the need for treatment might be to others.
Approximately 50% of individuals with schizophrenia and 40% with bipolar disorder have symptoms of anosognosia. Long recognized in stroke, Alzheimer’s disease and other neurological conditions, studies of anosognosia in psychiatric disorders is producing a growing body of evidence of anatomical damage in the part of the brain involved with self-reflection. When taking medications, insight improves in some patients.
Improving access to treatment for people too ill to seek help, including involuntary treatment when legal criteria are met, is one of the ways the Treatment Advocacy Center is working to fix the mental health system.
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