The simplest and most direct measure of pain is the

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A rating scale is typically used to directly measure pain as it allows a person to rate their level of pain on a scale from 0 to 10 or through a series of descriptors. This is a direct measure of the person’s perception of their pain level. EEG measures brain activity and can indirectly assess pain perception, while EMG measures muscle activity and respiratory rate measures breathing patterns– both are indirect measures of pain. An interview could be used to gather information about the person's pain experience, but it would not be considered a direct measure of pain.

The Simplest and Most Direct Measure of Pain Is the