Health & Medical Alzheimer's Disease

About Information for the Cornell Scale for Dementia

    Mood-Related Signs

    • Questions here involve the patient's mood, including anxiety, sadness and irritability levels. The patient's evolving reaction to pleasant events is also gauged.

    Behavioral Disturbance

    • Behavioral disturbances are also indicative of depression. Questions here pertain to whether the patient is agitated, has lost interest, or has decreased speech or motor response.

    Physical Signs

    • This part of the interview is designed to determine if any physical changes have occurred, including decrease in appetite or weight loss, or if the patient suffers from a lack of energy.

    Cyclic Functions

    • This section determines whether the body's cyclical functions have changed. Changes would include difficulty falling asleep or multiple awakenings during the night.

    Ideational Disturbance

    • This section of the interview determines if the patient has suicidal thoughts, or suffers from pessimism or low self-esteem.


    • The CSDD consists of 19 questions. Each response is scored as follows:

      a - Unable to evaluate
      0 - Absent
      1 - Mild to Intermittent
      2 - Severe

      A score greater than 12 indicates probable depression.

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