MEG responses to the perception of global structure within glass patterns

Jennifer B. Swettenham, Stephen J. Anderson, Ngoc Thai-Goodson

Research output: Contribution to journalArticle

Abstract

The perception of global form requires integration of local visual cues across space and is the foundation for object recognition. Here we used magnetoencephalography (MEG) to study the location and time course of neuronal activity associated with the perception of global structure from local image features. To minimize neuronal activity to low-level stimulus properties, such as luminance and contrast, the local image features were held constant during all phases of the MEG recording. This allowed us to assess the relative importance of striate (V1) versus extrastriate cortex in global form perception.
Original languageEnglish
Article numbere13865
Number of pages9
JournalPLoS ONE
Volume5
Issue number11
DOIs
Publication statusPublished - 5 Nov 2010

Bibliographical note

© 2010 Swettenham et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Keywords

  • adult
  • brain mapping
  • cues
  • female
  • glass
  • humans
  • magnetoencephalography
  • male
  • middle aged
  • visual pattern recognition
  • photic stimulation
  • psychomotor performance
  • reaction time
  • task performance and analysis
  • visual cortex
  • visual pathways
  • visual perception

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