Neural activity in the parietal eye of a lizard.


Journal Article

Electrical signs of activity in response to illumination of the parietal eye of the American chameleon, Anolis carolinensis, have been investigated. The responses were of two types. Under conditions of direct-coupled amplification, with glass pipette electrodes recording extracellularly from the retinal surface, the response consisted of an increase in negativity maintained throughout prolonged illumination. With capacitance-coupled amplification and metal electrodes, brisk mass discharges of nerve impulses were detected at the onset and cessation of illumination. During illumination a less vigorous maintained discharge was observed.

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Cited Authors


Published Date

  • January 1, 1962

Published In

Volume / Issue

  • 135 / 3500

Start / End Page

  • 316 - 317

PubMed ID

  • 14474119

Pubmed Central ID

  • 14474119

Electronic International Standard Serial Number (EISSN)

  • 1095-9203

International Standard Serial Number (ISSN)

  • 0036-8075

Digital Object Identifier (DOI)

  • 10.1126/science.135.3500.316


  • eng