Ted has a severe form of schizophrenia that has affected him since age 18. He has progressively deteriorated in functioning ever since. Compared with people who have more mild cases of schizophrenia, neuroimaging of Ted's brain would reveal that:

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Research has shown that individuals with severe schizophrenia have reduced brain volume compared to those with milder cases or without the disorder. The amygdala may be enlarged in some individuals with schizophrenia, but this is not always the case. A blockage in the corpus callosum is not a known characteristic of schizophrenia. The serotonin system may be disrupted in schizophrenia, but it is not known to be highly overactive.

Ted Has a Severe Form of Schizophrenia That Has Affected