Regulatory processes of hunger motivated behavior

L. Lénárd, Z. Karádi

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

While food intake and body weight are under homeostatic regulation, eating is a highly motivated and reinforced behavior that induces feelings of gratification and pleasure. The chemical senses (taste and odor) and their evaluation are essential to these functions. Brainstem and limbic glucose-monitoring (GM) neurons receiving neurochemical information from the periphery and from the local brain milieu are important controlling hunger motivation, and brain gut peptides have a modulatory role on this function. The hypothalamic and limbic forebrain areas are responsible for evaluation of reward quality and related emotions. They are innervated by the mesolimbic dopaminergic system (MLDS) and majority of GM neurons are also influenced by dopamine. Via dopamine release, the MLDS plays an essential role in rewarding-reinforcing processes of feeding and addiction. The GM network and the MLDS in the limbic system represent essential elements in the neural substrate of motivation.

Original languageEnglish
Pages (from-to)80-88
Number of pages9
JournalActa Biologica Hungarica
Volume63
Issue numberSUPPL. 1
DOIs
Publication statusPublished - Mar 1 2012

Fingerprint

Hunger
hunger
glucose
Glucose
Neurons
brain
Motivation
Monitoring
Dopamine
Brain
Emotions
Eating
Limbic System
Pleasure
food intake
Odors
monitoring
Prosencephalon
Reward
peptide

Keywords

  • dopamine
  • glucose-monitoring network
  • Hunger motivation
  • reward
  • taste information processing

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Environmental Science(all)
  • Neurology

Cite this

Regulatory processes of hunger motivated behavior. / Lénárd, L.; Karádi, Z.

In: Acta Biologica Hungarica, Vol. 63, No. SUPPL. 1, 01.03.2012, p. 80-88.

Research output: Contribution to journalArticle

Lénárd, L. ; Karádi, Z. / Regulatory processes of hunger motivated behavior. In: Acta Biologica Hungarica. 2012 ; Vol. 63, No. SUPPL. 1. pp. 80-88.
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