Subcallosal gyrus: Difference between revisions
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{{Short description|Anatomical region of the brain}} | |||
{{Use dmy dates|date=October 2023}} | |||
The '''subcallosal gyrus''' is a region of the brain located in the [[limbic system]], which plays a crucial role in [[emotion]]al processing and [[behavior]]. It is situated beneath the [[corpus callosum]], a thick band of nerve fibers that connects the left and right [[cerebral hemispheres]]. | |||
The | |||
==Anatomy== | ==Anatomy== | ||
The | The subcallosal gyrus is part of the [[cingulate cortex]], specifically located in the medial aspect of the brain. It is bordered superiorly by the corpus callosum and inferiorly by the [[parahippocampal gyrus]]. The subcallosal gyrus is continuous with the [[cingulate gyrus]] and is sometimes considered part of the [[ventromedial prefrontal cortex]]. | ||
[[File:Subcallosal gyrus location.png|thumb|right|Diagram showing the location of the subcallosal gyrus in the human brain.]] | |||
==Function== | ==Function== | ||
The | The subcallosal gyrus is involved in the regulation of [[mood]] and [[emotional response]]. It is thought to play a role in [[depression]] and [[anxiety disorders]], as it is part of the neural circuitry that processes negative emotions. The subcallosal gyrus is also involved in [[reward]] processing and decision-making, linking emotional states to [[cognitive]] functions. | ||
==Clinical | ==Clinical significance== | ||
Dysfunction in the subcallosal gyrus has been associated with various [[psychiatric disorders]], including major depressive disorder and [[bipolar disorder]]. It is a target for [[deep brain stimulation]] (DBS) in treatment-resistant depression, where electrical impulses are used to modulate its activity and alleviate symptoms. | |||
== | ==Research== | ||
Recent studies using [[functional magnetic resonance imaging]] (fMRI) have shown that the subcallosal gyrus exhibits altered activity patterns in individuals with depression. These findings suggest that the subcallosal gyrus may serve as a biomarker for mood disorders and a potential target for therapeutic interventions. | |||
== | ==Related pages== | ||
* [[ | * [[Limbic system]] | ||
* [[ | * [[Cingulate cortex]] | ||
* [[ | * [[Prefrontal cortex]] | ||
* [[Deep brain stimulation]] | |||
[[Category:Neuroanatomy]] | [[Category:Neuroanatomy]] | ||
[[Category:Limbic system]] | |||
[[Category:Limbic | |||
Revision as of 17:43, 18 February 2025
Anatomical region of the brain
The subcallosal gyrus is a region of the brain located in the limbic system, which plays a crucial role in emotional processing and behavior. It is situated beneath the corpus callosum, a thick band of nerve fibers that connects the left and right cerebral hemispheres.
Anatomy
The subcallosal gyrus is part of the cingulate cortex, specifically located in the medial aspect of the brain. It is bordered superiorly by the corpus callosum and inferiorly by the parahippocampal gyrus. The subcallosal gyrus is continuous with the cingulate gyrus and is sometimes considered part of the ventromedial prefrontal cortex.
Function
The subcallosal gyrus is involved in the regulation of mood and emotional response. It is thought to play a role in depression and anxiety disorders, as it is part of the neural circuitry that processes negative emotions. The subcallosal gyrus is also involved in reward processing and decision-making, linking emotional states to cognitive functions.
Clinical significance
Dysfunction in the subcallosal gyrus has been associated with various psychiatric disorders, including major depressive disorder and bipolar disorder. It is a target for deep brain stimulation (DBS) in treatment-resistant depression, where electrical impulses are used to modulate its activity and alleviate symptoms.
Research
Recent studies using functional magnetic resonance imaging (fMRI) have shown that the subcallosal gyrus exhibits altered activity patterns in individuals with depression. These findings suggest that the subcallosal gyrus may serve as a biomarker for mood disorders and a potential target for therapeutic interventions.
