Selective nontarget inhibition in Multiple Object Tracking

We previously reported that in the Multiple Object Tracking (MOT) task, which requires tracking several identical targets moving unpredictably among identical nontargets, the nontargets appear to be inhibited, as measured by a probe-dot detection method. The inhibition appears to be local to nontarg...

Full description

Saved in:
Bibliographic Details
Published in:Visual cognition 2008-11, Vol.16 (8), p.1011-1021
Main Authors: Pylyshyn, Zenon W., Haladjian, H. Haroutioun, King, Charles E., Reilly, James E.
Format: Article
Language:English
Subjects:
Activity levels. Psychomotricity
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Multiple object tracking
Nontarget inhibition
Perception
Probe-dot detection
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Segregation by depth
Tracking
Vigilance. Attention. Sleep
Vision
Visual attention
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:We previously reported that in the Multiple Object Tracking (MOT) task, which requires tracking several identical targets moving unpredictably among identical nontargets, the nontargets appear to be inhibited, as measured by a probe-dot detection method. The inhibition appears to be local to nontargets and does not extend to the space between objects-dropping off very rapidly away from targets and nontargets. In the present three experiments we show that (1) nontargets that are identical to targets but remain in a fixed location are not inhibited and (2) moving objects that have a different shape from targets are inhibited as much as same-shape nontargets, and (3) nontargets that are on a different depth plane and so are easily filtered out are not inhibited. This is consistent with a task-dependent view of item inhibition wherein nontargets are inhibited if (and only if) they are likely to be mistaken for targets.
ISSN:1350-6285
1464-0716
DOI:10.1080/13506280802247486