Functional connectivity in auditory cortex using chronic, multichannel unit recordings

Ryan S. Clement, Russell S Witte, Patrick J. Rousche, Daryl R. Kipke

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Chronic, multichannel recordings provide a method for reliable detection and determination of long-term dynamic functional connectivity. Using chronically implanted multichannel electrode arrays, we simultaneously recorded 30-70 units in guinea pig auditory cortex in daily recording sessions for implant durations of six months. We examined stimulus response properties and correlation strengths in neuron pairs in four animals. Preliminary results from these 'snapshots' of functional connectivity suggest sparse functional connections among widely distributed neurons. Some of these functional connections were found to persist for several days. These results provide a framework upon which further investigations of functional dynamic connectivity can be developed.

Original languageEnglish (US)
Pages (from-to)347-354
Number of pages8
JournalNeurocomputing
Volume26-27
DOIs
StatePublished - Jun 1999
Externally publishedYes

Fingerprint

Auditory Cortex
Neurons
Implanted Electrodes
Guinea Pigs
Animals
Electrodes

Keywords

  • Auditory cortex
  • Connectivity
  • Correlation
  • Plasticity

ASJC Scopus subject areas

  • Artificial Intelligence
  • Cellular and Molecular Neuroscience

Cite this

Functional connectivity in auditory cortex using chronic, multichannel unit recordings. / Clement, Ryan S.; Witte, Russell S; Rousche, Patrick J.; Kipke, Daryl R.

In: Neurocomputing, Vol. 26-27, 06.1999, p. 347-354.

Research output: Contribution to journalArticle

Clement, Ryan S. ; Witte, Russell S ; Rousche, Patrick J. ; Kipke, Daryl R. / Functional connectivity in auditory cortex using chronic, multichannel unit recordings. In: Neurocomputing. 1999 ; Vol. 26-27. pp. 347-354.
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