The Role of the Medial Habenula Cholinergic System in Addiction and Emotion-Associated Behaviors

The habenula is a complex nucleus composed of lateral and medial subnuclei, which connect between the limbic forebrain and midbrain. Over the past few years, the lateral habenula has received considerable attention because of its potential roles in cognition and in the pathogenesis of various psychi...

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Main Authors: Hyun Woo Lee, Soo Hyun Yang, Jin Yong Kim, Hyun Kim
Format: Article
Language:English
Published: Frontiers Media S.A. 2019-02-01
Series:Frontiers in Psychiatry
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fpsyt.2019.00100/full
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author Hyun Woo Lee
Soo Hyun Yang
Jin Yong Kim
Hyun Kim
author_facet Hyun Woo Lee
Soo Hyun Yang
Jin Yong Kim
Hyun Kim
author_sort Hyun Woo Lee
collection DOAJ
description The habenula is a complex nucleus composed of lateral and medial subnuclei, which connect between the limbic forebrain and midbrain. Over the past few years, the lateral habenula has received considerable attention because of its potential roles in cognition and in the pathogenesis of various psychiatric disorders. Unlike extensively studied lateral habenula, anatomically and histologically distinct medial habenula remains largely understudied. The medial habenula can be further subdivided into a dorsal region containing excitatory neurons that express the tachykinin neuropeptide substance P and a ventral region containing dense cholinergic neurons. Although the medial habenula is the source of one of the major cholinergic pathways in the brain, relatively few studies have been conducted to understand its roles. Recently, however, the medial habenula cholinergic system has attracted more attention because of its potential to provide therapeutic targets for the treatment of nicotine withdrawal symptoms, drug addiction, and various mood disorders. Here, we discuss the role of the medial habenula cholinergic system in brain function.
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spelling doaj.art-3f299564cbdc4fdc9c38c40ddb1862c42022-12-21T20:34:40ZengFrontiers Media S.A.Frontiers in Psychiatry1664-06402019-02-011010.3389/fpsyt.2019.00100437937The Role of the Medial Habenula Cholinergic System in Addiction and Emotion-Associated BehaviorsHyun Woo LeeSoo Hyun YangJin Yong KimHyun KimThe habenula is a complex nucleus composed of lateral and medial subnuclei, which connect between the limbic forebrain and midbrain. Over the past few years, the lateral habenula has received considerable attention because of its potential roles in cognition and in the pathogenesis of various psychiatric disorders. Unlike extensively studied lateral habenula, anatomically and histologically distinct medial habenula remains largely understudied. The medial habenula can be further subdivided into a dorsal region containing excitatory neurons that express the tachykinin neuropeptide substance P and a ventral region containing dense cholinergic neurons. Although the medial habenula is the source of one of the major cholinergic pathways in the brain, relatively few studies have been conducted to understand its roles. Recently, however, the medial habenula cholinergic system has attracted more attention because of its potential to provide therapeutic targets for the treatment of nicotine withdrawal symptoms, drug addiction, and various mood disorders. Here, we discuss the role of the medial habenula cholinergic system in brain function.https://www.frontiersin.org/article/10.3389/fpsyt.2019.00100/fullhabenulacholinergic systemnicotine addiction and withdrawaldrug addictionfeardepression
spellingShingle Hyun Woo Lee
Soo Hyun Yang
Jin Yong Kim
Hyun Kim
The Role of the Medial Habenula Cholinergic System in Addiction and Emotion-Associated Behaviors
Frontiers in Psychiatry
habenula
cholinergic system
nicotine addiction and withdrawal
drug addiction
fear
depression
title The Role of the Medial Habenula Cholinergic System in Addiction and Emotion-Associated Behaviors
title_full The Role of the Medial Habenula Cholinergic System in Addiction and Emotion-Associated Behaviors
title_fullStr The Role of the Medial Habenula Cholinergic System in Addiction and Emotion-Associated Behaviors
title_full_unstemmed The Role of the Medial Habenula Cholinergic System in Addiction and Emotion-Associated Behaviors
title_short The Role of the Medial Habenula Cholinergic System in Addiction and Emotion-Associated Behaviors
title_sort role of the medial habenula cholinergic system in addiction and emotion associated behaviors
topic habenula
cholinergic system
nicotine addiction and withdrawal
drug addiction
fear
depression
url https://www.frontiersin.org/article/10.3389/fpsyt.2019.00100/full
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