For a draft of a perception-science museum panel, a student has these research notes: - Pareidolia is the tendency to perceive a familiar, meaningful pattern in ambiguous or random sensory input. - Seeing a face in cloud shapes is a common example. - The perception builds on an actual stimulus, even though the interpreted pattern is not intentionally present. - Pareidolia is not the same as a perception that occurs with no external stimulus at all. The student wants to define the perception of a familiar pattern in ambiguous input without equating it with seeing something in the total absence of a stimulus. Which choice best meets this goal without adding information the notes do not support?