Continuous flash suppression: Known and unknowns.
Psychonomic bulletin & review December 1, 2020 Ali Pournaghdali, Bennett L Schwartz
Continuous flash suppression (CFS) is a technique used to study conscious and nonconscious perception, but key questions remain about how it suppresses visual information and what level of visual processing can occur without awareness. This review evaluates how different experimental setups and methods for assessing consciousness affect results in CFS studies. Evidence indicates that low-level visual information can survive suppression and be processed nonconsciously, while high-level visual recognition is completely impaired under CFS. The authors conclude there is no evidence for nonconscious high-level recognition with this technique.