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  1. Jun 8, 2021 · Parkinson disease is characterized by dopaminergic cell loss in the substantia nigra of the midbrain. There are various imaging markers for Parkinson disease. Recent advances in MRI have enabled elucidation of the underlying pathophysiologic changes in the nigral structure.

  2. Oct 24, 2022 · When these subcortical nuclei are damaged such as in stroke or during neurodegeneration, a multitude of neurological conditions can result, including Parkinson disease, Huntington disease, Tourette syndrome, schizophrenia, attention-deficit hyperactivity disorder, and obsessive-compulsive disorder.

    • James Sonne, Vamsi Reddy, Morris R. Beato
    • 2022/10/24
    • 2020
  3. Sep 18, 2020 · Historical evidence for location-specific changes in substantia nigra in Parkinson's disease. ( A ) Topographical progression of Parkinson’s disease, adapted from Fearnley and Lees (1991) . Neuronal loss in ventrolateral (VL), ventromedial (VM), dorsolateral (DL), dorsomedial (DM), and pars lateralis (PL) tiers of the substantia nigra in mild ...

    • David E Vaillancourt, Trina Mitchell
    • 10.1093/brain/awaa252
    • 2020
    • Brain. 2020 Sep; 143(9): 2628-2630.
  4. These findings have strengthened the link between the substantia nigra and Parkinson's disease, but modern research has uncovered the multifaceted nature of this neurodegenerative disorder by identifying other brain structures and chemospecifc systems involved in its pathogenesis.

    • Martin Parent, André Parent
    • 2010
  5. Jun 9, 2021 · Parkinson’s disease (PD) is a progressive neurodegenerative disorder, characterized by motor and non-motor symptoms due to the degeneration of the pars compacta of the substantia nigra (SNc) with dopaminergic denervation of the striatum.

    • Paola Feraco, Cesare Gagliardo, Giuseppe La Tona, Eleonora Bruno, Costanza D'angelo, Maurizio Marral...
    • 10.3390/brainsci11060769
    • 2021
    • Brain Sci. 2021 Jun; 11(6): 769.
  6. Parkinson’s disease is a progressive disorder that is caused by degeneration of nerve cells in the part of the brain called the substantia nigra, which controls movement. These nerve cells die or become impaired, losing the ability to produce an important chemical called dopamine.

  7. Jun 24, 2020 · Parkinson’s disease is characterized by loss of dopamine neurons in the substantia nigra 1. Similar to other major neurodegenerative disorders, there are no disease-modifying...

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