Noun
blank-slatism (uncountable)
The Lockean belief that the human mind is a "blank slate" or tabula rasa at birth, and is subsequently formed by sensory experiences.
A "blank slate view" in human developmental psychology assuming that human behavioral traits develop almost exclusively from environmental influences, was widely held during much of the 20th century (sometimes termed "blank-slatism"). Source: Internet
Organised opposition to Montagu's kind of purist "blank-slatism" began to pick up in the 1970s, notably led by E. O. Wilson ( On Human Nature 1979). Source: Internet