Answer:
Wilhelm Wundt, a pioneering psychologist in the late 19th century, used the term **"apperception"** to identify the mental process that makes mental contents meaningful and brings them into the center of attention. Apperception refers to the act of mentally processing and comprehending sensory information, thoughts, or experiences, giving them significance and integrating them into one's conscious awareness. Wundt's work laid the foundation for the study of psychology and the exploration of consciousness and perception.
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