Recovery From Object Substitution Masking Induced by Transient Suppression of Visual Motion Processing: A Repetitive Transcranial Magnetic Stimulation Study

Nobuyuki Hirose, Ken Kihara, Tatsuya Mima, Yoshino Ueki, Hidenao Fukuyama, Naoyuki Osaka

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Object substitution masking is a form of visual backward masking in which a briefly presented target is rendered invisible by a lingering mask that is too sparse to produce lower image-level interference. Recent studies suggested the importance of an updating process in a higher object-level representation, which should rely on the processing of visual motion, in this masking. Repetitive transcranial magnetic stimulation (rTMS) was used to investigate whether functional suppression of motion processing would selectively reduce substitution masking. rTMS-induced transient functional disruption of cortical area V5/MT+, which is important for motion analysis, or V1, which is reciprocally connected with V5/MT+, produced recovery from masking, whereas sham stimulation did not. Furthermore, masking remained undiminished following rTMS over the region 2 cm posterior to V5/MT+, ruling out nonspecific effects of real stimulation and confirming regional specificity of the rTMS effect. The results suggest that object continuity via the normal function of the visual motion processing system might in part contribute to this masking. The relation of these findings to the reentrant processing view of object substitution masking and other visual phenomena is discussed.

Original languageEnglish
Pages (from-to)1495-1503
Number of pages9
JournalJournal of Experimental Psychology: Human Perception and Performance
Volume33
Issue number6
DOIs
Publication statusPublished - Dec 1 2007
Externally publishedYes

Fingerprint

Transcranial Magnetic Stimulation
Masks
Substitution
Suppression
Masking
Recovery

All Science Journal Classification (ASJC) codes

  • Experimental and Cognitive Psychology
  • Arts and Humanities (miscellaneous)
  • Behavioral Neuroscience

Cite this

Recovery From Object Substitution Masking Induced by Transient Suppression of Visual Motion Processing : A Repetitive Transcranial Magnetic Stimulation Study. / Hirose, Nobuyuki; Kihara, Ken; Mima, Tatsuya; Ueki, Yoshino; Fukuyama, Hidenao; Osaka, Naoyuki.

In: Journal of Experimental Psychology: Human Perception and Performance, Vol. 33, No. 6, 01.12.2007, p. 1495-1503.

Research output: Contribution to journalArticle

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