RATIONALE: A client with catatonic schizophrenia shows a lack of responsiveness to the environment. The client may move rapidly or slowly, often alternating between patterns of movement. In many cases, he then poses and appears rigid. The other forms of schizophrenia <font face="LWWSYM">:</font> paranoid, disorganized, undifferentiated, and residual <font face="LWWSYM">:</font> are associated with different patterns of behavior and responses. However, disruption of motor behavior in conjunction with a lack of responsiveness to the immediate environment occurs only in the catatonic form of schizophrenia.NURSING PROCESS STEP: AssessmentCLIENT NEEDS CATEGORY: Psychosocial integrityCLIENT NEEDS SUBCATEGORY: NoneCOGNITIVE LEVEL: Knowledge