Zissis Pappas | PubMed Health

PubMed2004

Implicit contributions of context to recognition.

Studies of the impact of context on remembering have not focused on the influence of contextual contingency on subsequent recognition in the condition in which the contingency cannot be verbalized. In two experiments, we analyzed the effect of an implicitly encoded position contingency involving location and semantic category on both hit and false alarm recognition judgments after 1 day and 1 week delays. We vigorously probed for what participants could say about the contingency. We found context effects for both hits and false alarms, whether or not participants could verbalize any knowledge they might have of contingency. These results suggest that people may use contextual information when making a recognition judgment even if they are not aware of this information.

Humans↗

PubMed2002

What we see: inattention and the capture of attention by meaning.

Attention is necessary for the conscious perception of any object. Objects not attended to are not seen. What is it that captures attention when we are engaged in some attention-absorbing task? Earlier research has shown that there are only a very few stimuli which have this power and therefore are reliably detected under these conditions (for example, Mack & Rock, 1998; Moray, 1959). The two most reliable are the observer's own name and a happy face icon which seem to capture attention by virtue of their meaning. Three experiments are described which explore whether these stimuli are detected under conditions, heretofore unexamined, which either cause inattentional blindness or are associated with a perceptual failure associated with the limits of attention. The evidence obtained indicates that these stimuli have a unique capacity to capture and extend the limits of attention under conditions in which this has been deemed highly unlikely.

Adult↗