Cortical projections of ascending nonspecific systems

David S. Phillips, Duane D. Denney, Richard T. Robertson, Leslie H. Hicks, Richard F. Thompson

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


Areal distributions on cerebral cortex of several types of non specific activity were compared in cat. Spontaneous spindle bursts in pentobarbital and cerveau isolé preparations, nonspecific cortical association responses evoked by peripheral stimuli in the chloralosed animal, and short latency cortical responses evoked by single shock stimulation of the midbrain reticular formation were all found to have essentially identical cortical distributions. These occurred in four major foci, two on the middle suprasylvian gyrus, one on the anterior lateral gyrus, and one on pericruciate cortex surrounding the cruciate sulcus.

Original languageEnglish (US)
Pages (from-to)269-277
Number of pages9
JournalPhysiology and Behavior
Issue number2
StatePublished - Feb 1972
Externally publishedYes


  • Association responses
  • Cortex
  • Nonspecific systems
  • Reticulocortical projections
  • Spindles

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Behavioral Neuroscience


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