A history of visual masking
A history of visual masking
The history of visual masking reaches back into the middle of the 19th century, when sensory physiologists and psychologists pioneered techniques to study how the perception of one briefly presented stimulus is affected by a spatially and temporally neighbouring second stimulus. These beginning explorations of the microgenesis, the millisecond-by-millisecond evolution of visual perception, have defined the basic rationale for studying the temporal dynamics of vision since then. Moreover, many major empirical discoveries and theoretical advances in the study of visual masking, from the middle of the 19th to the middle of the 20th century, have defined key research paradigms to this day. Different methods of masking used to explore the processes and factors underlying correspondingly different types of visual masking and their relation to attention and to the microgenesis of phenomenal awareness, were then, as now, central to the study of visual masking.
Keywords: masking by light, masking by pattern, metacontrast, paracontrast, visual persistence
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