The stria medullaris is a band of fibres on the upper inner surface of each thalamus, along the line where the roof of the third ventricle attaches. It carries fibres from the septal area and hypothalamus to the habenula.
| Location | Dorsomedial border of the thalamus, at the attachment of the tela choroidea of the third ventricle |
|---|---|
| Parts |
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| Connections |
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| Blood Supply | Posterior choroidal arteries |
Brings limbic and basal ganglia input to the habenula, which regulates reward and aversion signals.
Part of the circuit that includes the habenula, studied as a target for deep brain stimulation in severe depression.
Mood disorder in which habenular circuits including the stria medullaris are being researched as targets.
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