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The substantia nigra (SN) is a basal ganglia structure located in the midbrain that plays an important role in reward and movement. Substantia nigra is Latin for "black substance", reflecting the fact that parts of the substantia nigra appear darker than neighboring areas due to high levels of neuromelanin in dopaminergic neurons. [1]
The slice preparation or brain slice is a laboratory technique in electrophysiology that allows the study of neurons from various brain regions in isolation from the rest of the brain, in an ex-vivo condition. Brain tissue is initially sliced via a tissue slicer then immersed in artificial cerebrospinal fluid (aCSF) for stimulation and/or ...
Radner was born in Detroit, Michigan, to Jewish parents, Henrietta (née Dworkin), a legal secretary, and Herman Radner, a businessman. [1] [2] In Radner's autobiography she stated, “I was named after my grandmother whose name began with G, but 'Gilda' came directly from the movie with Glenn Ford and Rita Hayworth.” [3] Through her mother, Radner was a second cousin of business executive ...
This allows the brain to coordinate sensory and motor impulses. However, the scaling of overall brain size and increased myelination have not occurred between chimpanzees and humans . This has resulted in the human corpus callosum's requiring double the time for interhemispheric communication as a macaque 's. [ 12 ]
When you have healthy sleep, the glymphatic system in your brain—which pumps out waste products—is more active and efficient, Winter explains. But on the flip side, when you have poor sleep ...
Immerse a block (approx. 10x5 mm) of formaldehyde-fixed (or paraformaldehyde- glutaraldehyde-perfused) brain tissue into a 2% aqueous solution of potassium dichromate for 2 days; Dry the block shortly with filter paper. Immerse the block into a 2% aqueous solution of silver nitrate for another 2 days. Cut sections approx. 20–100 μm thick.
Bill Clinton is one proud grandpa!. On Monday, Nov. 25, the former President of the United States, 78, appeared on an episode of Live with Kelly and Mark and spoke about how he and the former ...
The search for missing hiker Susan Lane-Fournier, 61, took a tragic turn after her body was found over the weekend in Welches, Oregon, an unincorporated community at the base of Mount Hood.