Regarding Difference Thresholds, Which of the Following Statements Is TRUE

Multiple Choice

Regarding difference thresholds, which of the following statements is TRUE?

A) Difference thresholds occur when we can first detect some stimulus.
B) Difference thresholds occur when we can first detect the change in the intensity of a stimulus.
C) Difference thresholds involve the decrease in sensory response to an unchanging stimulus.
D) Difference thresholds involve the mental process of organizing sensations into meaningful patterns.