Which of the following terms refers to an extreme lack of responsiveness to the external world, which is seen in some patients with schizophrenia?

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Catatonia refers to a state of extreme lack of responsiveness to the external world, which is seen in some patients with schizophrenia. Disorganization refers to disorganized thinking and speech, while disassociation refers to a detachment from reality. Withdrawal may also be seen in schizophrenia, but it refers to social withdrawal rather than lack of responsiveness.

Which of the Following Terms Refers to an Extreme Lack