Shades of gray matter: Noninvasive optical images of human brain reponses during visual stimulation

GABRIELE GRATTON, PAUL M. CORBALLIS, EUNHEE CHO, MONICA FABIANI, DONALD C. HOOD

Research output: Contribution to journalArticlepeer-review

Abstract

Recent theories about human brain function emphasize the need for imaging methods that allow the study of dynamic interactions among different structures. In this paper, we report on a new technique, based on the measurement of parameters of migration of near‐infrared photons, that yields functional images of the human occipital cortex, combining a spatial resolution of 0.5 cm and a temporal resolution of 50 ms. This technique appears to be suitable for studying the dynamics of cortical activation.

Original languageEnglish (US)
Pages (from-to)505-509
Number of pages5
JournalPsychophysiology
Volume32
Issue number5
DOIs
StatePublished - Sep 1995
Externally publishedYes

Keywords

  • Functional brain imaging
  • Near‐infrared optical imaging

ASJC Scopus subject areas

  • General Neuroscience
  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology
  • Neurology
  • Endocrine and Autonomic Systems
  • Developmental Neuroscience
  • Cognitive Neuroscience
  • Biological Psychiatry

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