Activation timecourse of ventral visual stream object-recognition areas: High density electrical mapping of perceptual closure processes

Glen M. Doniger, John J. Foxe, Micah M. Murray, Beth A. Higgins, Joan Gay Snodgrass, Charles E. Schroeder, Daniel C. Javitt

Research output: Contribution to journalArticle

188 Citations (Scopus)

Abstract

Object recognition is achieved even in circumstances when only partial information is available to the observer. Perceptual closure processes are essential in enabling such recognitions to occur. We presented successively less fragmented images while recording high-density event-related potentials (ERPs), which permitted us to monitor brain activity during the perceptual closure processes leading up to object recognition. We reveal a bilateral ERP component (N(cl)) that tracks these processes (onsets ~ 230 msec, maximal at ~ 290 msec). Scalp-current density mapping of the N(cl) revealed bilateral occipito-temporal scalp foci, which are consistent with generators in the human ventral visual stream, and specifically the lateral-occipital or LO complex as defined by hemodynamic studies of object recognition.

Original languageEnglish (US)
Pages (from-to)615-621
Number of pages7
JournalJournal of Cognitive Neuroscience
Volume12
Issue number4
StatePublished - 2000
Externally publishedYes

Fingerprint

Perceptual Closure
Scalp
Evoked Potentials
Hemodynamics
Recognition (Psychology)
Brain

ASJC Scopus subject areas

  • Behavioral Neuroscience
  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience

Cite this

Doniger, G. M., Foxe, J. J., Murray, M. M., Higgins, B. A., Snodgrass, J. G., Schroeder, C. E., & Javitt, D. C. (2000). Activation timecourse of ventral visual stream object-recognition areas: High density electrical mapping of perceptual closure processes. Journal of Cognitive Neuroscience, 12(4), 615-621.

Activation timecourse of ventral visual stream object-recognition areas : High density electrical mapping of perceptual closure processes. / Doniger, Glen M.; Foxe, John J.; Murray, Micah M.; Higgins, Beth A.; Snodgrass, Joan Gay; Schroeder, Charles E.; Javitt, Daniel C.

In: Journal of Cognitive Neuroscience, Vol. 12, No. 4, 2000, p. 615-621.

Research output: Contribution to journalArticle

Doniger, GM, Foxe, JJ, Murray, MM, Higgins, BA, Snodgrass, JG, Schroeder, CE & Javitt, DC 2000, 'Activation timecourse of ventral visual stream object-recognition areas: High density electrical mapping of perceptual closure processes', Journal of Cognitive Neuroscience, vol. 12, no. 4, pp. 615-621.
Doniger, Glen M. ; Foxe, John J. ; Murray, Micah M. ; Higgins, Beth A. ; Snodgrass, Joan Gay ; Schroeder, Charles E. ; Javitt, Daniel C. / Activation timecourse of ventral visual stream object-recognition areas : High density electrical mapping of perceptual closure processes. In: Journal of Cognitive Neuroscience. 2000 ; Vol. 12, No. 4. pp. 615-621.
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