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Doctor insights on: Substantia Nigra

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Substantia Nigra (Overview)

This is where a neurotransmitter called Dopamine is formed in the brain. A majority of Dopamine is formed in this area. It is responsible for many things. Degeneration of the substantia nigra leads to parkinson's disease.


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What does the substantia nigra do?

What does the substantia nigra do?

A lot!: Whole chapters in neuroanatomy are dedicated to the substantia nigra, but a short answer would be: it is indirectly involved with our muscle control including eye movement, and also the reward seeking/addictive, and learning aspects to our brain. When this part of the brain is damaged it causes parkinson's disease. ...Read more

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Substantia Nigra (Overview)

This is where a neurotransmitter called Dopamine is formed in the brain. A majority of Dopamine is formed in this area. It is responsible for many things. Degeneration of the substantia nigra leads to parkinson's disease.


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What is the definition or description of: substantia nigra?

Dopamine: This is where a neurotransmitter called Dopamine is formed in the brain. A majority of Dopamine is formed in this area. It is responsible for many things. Degeneration of the substantia nigra leads to parkinson's disease. ...Read more

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What makes stimulating the substantia nigra cause depression?

What makes stimulating the substantia nigra cause depression?

Dopamine: Stimulation (presumptively by amphetamines) causes a release of dopamine. If this is "supraphysiological" - i.e., more than the body would normally account for - you can end up with a Dopamine deficit. This is the same think as Cocaine addicts have after a run on cocaine, or crank or meth addicts have after a run. The good news is that the body can and will build it back up if allowed to. ...Read more

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How does the substantia nigra cause depression?

No: The substantia nigra is part of the movement system and not the emotion system. For example, destruction of Dopamine neurons in the substantia nigra is the cause of parkinson's disease. ...Read more

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Which part of the brain is substantia nigra?

Which part of the brain is substantia nigra?

S. Nigra: Is pigmented cells in the midbrain that play a role in reward, addiction & movements. It came from latin words "black substance". ...Read more

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Any tips on removing linea nigra?

Linea Nigra: will normally resolve spontaneously within several months of delivery. It won't need special treatments. ...Read more

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How typical is it to have a linea nigra and not be pregnant?

How typical is it to have a linea nigra and not be pregnant?

Rarer: I don't know the incidence. It may occur is about 75% of pregnant women. It is no where's near this common in women who aren't pregnant but I could not find stats on this. ...Read more

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Is it possible to get a Linea Nigra from having thyroid problems?

Is it possible to get a Linea Nigra from having thyroid problems?

Linea nigra: Linea nigra is not caused by thyroid disease but it ma,y be seen in adrenal gland deficiencies and in PCOS ...Read more