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Effects of Initial Configuration on Attentive Tracking of Moving Objects Whose Depth in 3D Changes

Anis Ur REHMAN, Ken KIHARA, Sakuichi OHTSUKA

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Summary :

In daily reality, people often pay attention to several objects that change positions while being observed. In the laboratory, this process is investigated by a phenomenon known as multiple object tracking (MOT) which is a task that evaluates attentive tracking performance. Recent findings suggest that the attentional set for multiple moving objects whose depth changes in three dimensions from one plane to another is influenced by the initial configuration of the objects. When tracking objects, it is difficult for people to expand their attentional set to multiple-depth planes once attention has been focused on a single plane. However, less is known about people contracting their attentional set from multiple-depth planes to a single-depth plane. In two experiments, we examined tracking accuracy when four targets or four distractors, which were initially distributed on two planes, come together on one of the planes during an MOT task. The results from this study suggest that people have difficulty changing the depth range of their attention during attentive tracking, and attentive tracking performance depends on the initial attentional set based on the configuration prior to attentive tracking.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E104-A No.9 pp.1339-1344
Publication Date
2021/09/01
Publicized
2021/02/25
Online ISSN
1745-1337
DOI
10.1587/transfun.2020EAP1110
Type of Manuscript
PAPER
Category
Vision

Authors

Anis Ur REHMAN
  Kagoshima College
Ken KIHARA
  National Institute of Advanced Industrial Science and Technology
Sakuichi OHTSUKA
  Kagoshima University

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