Stimulation of dorsal midbrain during septal and hypothalamic self-stimulation

Aryeh Routtenberg*, James Olds

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

3 experiments were performed to study the effects of aversive dorsal midbrain (DM) stimulation on posterior hypothalamic or septal self-stimulation. In Exp. I, both posterior hypothalamic and septal self-stimulation rates were reduced by crystalline carbachol stimulation of DM, but posterior hypothalamic self-stimulation was reduced significantly more. In Exp. II, injection of liquid carbachol into DM suggested that .75-2.25 micrograms of chemical are necessary for suppression of hypothalamic self-stimulation. In Exp. III, which repeated Exp. I using electrical stimulation of DM, DM electrical stimulation reduced self-stimulation behavior, and hypothalamic self-stimulation was reduced significantly more. Septal and hypothalamic self-stimulation are compared in terms of their relation to DM. (PsycINFO Database Record (c) 2006 APA, all rights reserved).

Original languageEnglish (US)
Pages (from-to)250-255
Number of pages6
JournalJournal of Comparative and Physiological Psychology
Volume62
Issue number2
DOIs
StatePublished - Oct 1 1966

Keywords

  • BRAIN STIMULATION
  • DORSAL MIDBRAIN STIMULATION
  • DORSAL MIDBRAIN STIMULATION, RAT
  • HYPOTHALAMIC SELF STIMULATION &
  • HYPOTHALAMIC, &
  • RAT, SEPTAL &
  • SELF-STIMULATION, SEPTAL &

ASJC Scopus subject areas

  • Medicine(all)

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