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Rancho Los Amigos Cognitive Function Classification

Level of Function Behavioral Response Characteristics
Ⅰ No Response No response to stimuli
Ⅱ Generalized Response Responses are specific but aimless
Ⅲ Localized Response Responses are specific but uncoordinated
Ⅳ Confused, Agitated Overly active, no discernment
Ⅴ Confused, Inappropriate Alert, confused responses to complex stimuli
Ⅵ Confused, Appropriate Coordinated responses but requires guidance
Ⅶ Automatic, Appropriate Independent self-care, needs supervision for household and social activities
Ⅷ Purposeful, Appropriate Can independently perform household and social activities
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