Inattentional blindness, also known as perceptual blindness, is a psychological lack of attention and is not associated with any vision defects or deficits. It may be further defined as the event in which an individual fails to recognize an unexpected stimulus that is in plain sight. The term was coined by Arien Mack and Irvin Rock in 1992 and was used as the title of their book of the same name, published by MIT press in 1998.[1] Here, they describe the discovery of inattentional blindness and include a collection of procedures used describing the phenomenon.[2] Research[citation needed] on inattentional blindness suggests that the phenomenon can occur in any individual, independent of cognitive deficits. When it simply becomes impossible for one to attend to all the stimuli in a given situation, a temporary blindness effect can take place as a result; that is, individuals fail to see objects or stimuli that are unexpected and quite often salient.[citation needed]
Please, inform me on what I've failed to realize or see... That's in " plain sight "
Please, inform me on what I've failed to realize or see... That's in " plain sight "