Developmental transformation of dendritic arbors in mouse whisker thalamus

Kimberly E. Brown, Josephus J.A. Arends, Scott P. Wasserstrom, Judith B. Zantua, Mark F. Jacquin, Thomas A. Woolsey

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Neurons in slices though the somatosensory thalamus of postnatal day 6 and adult mice were injected with Lucifer yellow. Dendritic arbors on postnatal day 6 are confined to single barreloids (single whisker representations); in adults they are seven times longer, extending beyond their barreloid to adjacent barreloids. The postnatal transformation of dendritic arbors by total process growth and extension to adjacent barreloids suggests a developmental change in the role of these cells from instructing whisker pattern formation to integrating sensory information from more than one whisker.

Original languageEnglish
Pages (from-to)335-339
Number of pages5
JournalDevelopmental Brain Research
Volume86
Issue number1-2
DOIs
StatePublished - May 26 1995

Keywords

  • Barrel
  • Barreloid
  • Pattern formation
  • Thalamocortical relay cell

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