Alertness and attention: Basic science and electrophysiologic correlates

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Abstract

There has been much research in the electrophysiologic correlates of alertness and attention, but it is fragmented into many subfields. This article integrates current knowledge across multiple disciplines and methodologies to provide a broad overview of alertness and attention. First, terms that are related to alertness and attention are clarified. Then, there is a discussion of basic neuroscience, human neurophysiology, and clinical fields that impact on alertness and attention. Areas discussed include thalamic and neurotransmitter-specific ascending pathways, EEG, event-related potentials, and both physiologic and pathologic states of decreased alertness or attention.

Original languageEnglish (US)
Pages (from-to)480-494
Number of pages15
JournalJournal of Clinical Neurophysiology
Volume9
Issue number4
DOIs
StatePublished - Oct 1992

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Keywords

  • Alertness
  • Arousal
  • Attention
  • EEG desynchronization
  • Event-related potentials
  • Evoked potentials
  • Neurotransmitter systems
  • Sleep stages

ASJC Scopus subject areas

  • Physiology
  • Neurology
  • Clinical Neurology
  • Physiology (medical)

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