Electrophysiological and neuroimaging studies of voluntary and reflexive attention

Joseph B. Hopfinger, Amishi Jha, Jens Max Hopf, Massimo Girelli, George R. Mangun

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Powerful brain systems specialized for voluntary and reflexive attentional control influence visual information processing. Studies of voluntary selective attention have shown that the amplitudes of visual event-related potentials (ERPs) are greater for events occurring at attended locations. Using ERPs, we recently investigated the neural correlates of reflexive attention and found that early visual processing in the cortex is also modulated by reflexive orienting. By integrating functional imaging with ERP recording, we related ERP signs of voluntary attention to underlying neural mechanisms. We used event-related functional magnetic resonance imaging (fMRI) and trial-by-trial spatial cuing to investigate the time course and functional anatomy of these attentional control systems. Attentional mechanisms in frontal, parietal, and temporal cortex were found to produce changes in visual cortical processing at multiple loci in the visual hierarchy, facilitating or attenuating information from competing loci to reduce interference from irrelevant events during perception and performance.

Original languageEnglish
Pages (from-to)125-153
Number of pages29
JournalAttention and Performance
Volume18
StatePublished - Dec 1 2000
Externally publishedYes

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Evoked Potentials
Neuroimaging
Parietal Lobe
Frontal Lobe
Temporal Lobe
Automatic Data Processing
Anatomy
Magnetic Resonance Imaging
Brain

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Neuropsychology and Physiological Psychology

Cite this

Hopfinger, J. B., Jha, A., Hopf, J. M., Girelli, M., & Mangun, G. R. (2000). Electrophysiological and neuroimaging studies of voluntary and reflexive attention. Attention and Performance, 18, 125-153.

Electrophysiological and neuroimaging studies of voluntary and reflexive attention. / Hopfinger, Joseph B.; Jha, Amishi; Hopf, Jens Max; Girelli, Massimo; Mangun, George R.

In: Attention and Performance, Vol. 18, 01.12.2000, p. 125-153.

Research output: Contribution to journalArticle

Hopfinger, JB, Jha, A, Hopf, JM, Girelli, M & Mangun, GR 2000, 'Electrophysiological and neuroimaging studies of voluntary and reflexive attention', Attention and Performance, vol. 18, pp. 125-153.
Hopfinger, Joseph B. ; Jha, Amishi ; Hopf, Jens Max ; Girelli, Massimo ; Mangun, George R. / Electrophysiological and neuroimaging studies of voluntary and reflexive attention. In: Attention and Performance. 2000 ; Vol. 18. pp. 125-153.
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