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Related Experiment Videos

The accumbens: beyond the core-shell dichotomy

L Heimer1, G F Alheid, J S de Olmos

  • 1Department of Otolaryngology-Head and Neck Surgery, University of Virginia, Charlottesville 22908, USA.

The Journal of Neuropsychiatry and Clinical Neurosciences
|July 1, 1997
PubMed
Summary
This summary is machine-generated.

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Recent discoveries illuminate the accumbens, crucial for neuropsychiatry. Its shell compartment shows unique drug responses and connections, offering insights into brain function and disorders.

Area of Science:

  • Neuroscience
  • Neuropsychiatry

Background:

  • The nucleus accumbens and associated structures are vital in neuropsychiatry.
  • Understanding these areas is key to addressing neurological and psychiatric disorders.

Purpose of the Study:

  • To review recent discoveries concerning the accumbens, focusing on its role in neuropsychiatry.
  • To highlight the functional-anatomical significance of neuronal ensembles and specific accumbens compartments.

Main Methods:

  • Review of histological and neurochemical data.
  • Analysis of neuronal circuits, particularly with the mesencephalic dopamine system.
  • Examination of "striatal patches" development and the accumbens core/shell division.

Main Results:

Related Experiment Videos

  • The accumbens is divisible into core and shell compartments based on distinct features.
  • The accumbens shell exhibits a close relationship with the extended amygdala.
  • The accumbens shell demonstrates unique responses to antipsychotic and psychoactive drugs.

    • Conclusions:

    • The accumbens shell is a highly diversified region critical for understanding neuropsychiatric conditions.
    • Neuronal ensembles and specific accumbens circuitry are important functional-anatomical units.
    • Further research into the accumbens, especially its shell, holds promise for novel therapeutic strategies.