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For questions concerning the area of psychophysics that deals with discernment of information-bearing stimuli from background noise or other distractions.

For questions concerning the area of psychophysics that deals with the discernment of information-bearing stimuli from background noise or other distractions.

Detection theory in psychology drew upon much of the theory of radar and its applications.

For further information, see Detection Theory.

For a canonical text written by two of its pioneers, see Signal Detection Theory and Psychophysics.