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Related Experiment Video

Updated: Mar 26, 2026

Simultaneous Detection of c-Fos Activation from Mesolimbic and Mesocortical Dopamine Reward Sites Following Naive Sugar and Fat Ingestion in Rats
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Lateral hypothalamic circuits for feeding and reward.

Garret D Stuber1,2,3, Roy A Wise4

  • 1Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.

Nature Neuroscience
|January 28, 2016
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Summary

The lateral hypothalamic area (LHA) drives motivated behaviors like feeding and drinking. Recent research integrates classic findings with modern circuit-based methods to pinpoint specific LHA elements controlling these vital actions.

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Area of Science:

  • Neuroscience
  • Behavioral Neuroscience
  • Neurobiology

Background:

  • The lateral hypothalamic area (LHA) has been recognized for over 60 years as a key brain region for motivated behaviors.
  • Electrical stimulation of the LHA elicits intense feeding, drinking, and other motivated actions, even in satiated subjects.
  • Animals demonstrate significant effort, such as extensive lever pressing, to obtain LHA stimulation, highlighting its role in reward and motivation.

Purpose of the Study:

  • To review classic electrical stimulation findings concerning the LHA's role in motivated behavior.
  • To integrate historical data with contemporary circuit-based research on the LHA.
  • To identify specific LHA neuronal populations and their molecular characteristics involved in motivated behaviors.

Main Methods:

  • Review of seminal electrical stimulation studies on the lateral hypothalamic area.
  • Integration of findings from modern circuit-based neuroscience approaches.
  • Analysis of LHA projections and their targets in reward and feeding circuits.

Main Results:

  • The LHA is confirmed as a critical center for motivated behaviors, including feeding and drinking.
  • Specific anatomically and molecularly defined LHA elements have been identified.
  • These LHA elements integrate inputs from cortical, extended amygdala, and basal forebrain networks.
  • The LHA generates a specified and invigorated behavioral state via projections to downstream circuits.

Conclusions:

  • The lateral hypothalamic area plays a crucial role in orchestrating motivated behaviors.
  • Understanding specific LHA circuits provides insight into the neural basis of motivation and reward.
  • Future research can leverage these findings to explore therapeutic targets for motivated behavior disorders.