The cholinergic contribution to neuromodulation in the cerebral cortex

Marek-Marsel Mesulam*

*Corresponding author for this work

Research output: Contribution to journalShort survey

28 Citations (Scopus)

Abstract

The cerebral cortex of the human brain receives an intense cholinergic innervation from the nucleus basalis of Meynert. This nucleus is very highly developed and quite heterogeneous in composition. The cholinergic contingent of neurons associated with the nucleus basalis is designated the Ch4 cell group. The Ch4 cell group has topographically organized cortical projections which are directed to all parts of the cerebral cortex, but particularly to the limbic cortex and the amygdala. The organization of this projection suggests that it may play a critical rob in enhancing the neural encoding of behaviorally relevant events by the appropriate cortical neurons. The cortical cholinergic projection from Ch4 is a principal component of the ascending reticular activating system.

Original languageEnglish (US)
Pages (from-to)297-307
Number of pages11
JournalSeminars in the Neurosciences
Volume7
Issue number5
DOIs
StatePublished - Jan 1 1995

Fingerprint

Cerebral Cortex
Cholinergic Agents
Basal Nucleus of Meynert
Cholinergic Neurons
Amygdala
Neurons
Brain

Keywords

  • ARAS
  • Aging
  • Cerebral cortex
  • Cholinergic
  • Dementia
  • Memory
  • Muscarinic
  • Nicotinic
  • Nucleus basalis
  • Substantia innominata

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

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abstract = "The cerebral cortex of the human brain receives an intense cholinergic innervation from the nucleus basalis of Meynert. This nucleus is very highly developed and quite heterogeneous in composition. The cholinergic contingent of neurons associated with the nucleus basalis is designated the Ch4 cell group. The Ch4 cell group has topographically organized cortical projections which are directed to all parts of the cerebral cortex, but particularly to the limbic cortex and the amygdala. The organization of this projection suggests that it may play a critical rob in enhancing the neural encoding of behaviorally relevant events by the appropriate cortical neurons. The cortical cholinergic projection from Ch4 is a principal component of the ascending reticular activating system.",
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The cholinergic contribution to neuromodulation in the cerebral cortex. / Mesulam, Marek-Marsel.

In: Seminars in the Neurosciences, Vol. 7, No. 5, 01.01.1995, p. 297-307.

Research output: Contribution to journalShort survey

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