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1 day ago · On its own, fentanyl induced expression of a protein called cFOS — a marker of neuronal activity — in both the VTA and the region to which its dopamine neurons project, the nucleus accumbens ...
5 days ago · The caudate nucleus is located lateral to the lateral ventricles, with the head lateral to the frontal horn, and body lateral to the body of the lateral ventricle. The tail of the caudate nucleus terminates immediately above the temporal horn of the ventricle.
3 days ago · Nucleus and intraparenchymal portion. The abducens nucleus is a small nucleus situated at the upper part of the rhomboid fossa beneath the facial colliculus within the pons. Fibers pass anterior through the pons medial to the facial nucleus to reach the pontomedullary junction.
17 hours ago · The role of the nucleus accumbens and rostral anterior cingulate cortex in anhedonia: Integration of resting EEG, fMRI, and volumetric techniques. NeuroImage, 46 (1), 327 – 337. doi: 10.1016/j.neuroimage.2009.01.058 CrossRef Google Scholar PubMed
2 days ago · The dentate nucleus is the largest and most lateral of the cerebellar nuclei, located medially within each cerebellar hemisphere, just posterolateral to the fourth ventricle 1. It is part of the triangle of Guillain and Mollaret, connected to the contralateral red nucleus via the superior cerebellar peduncle (rubrodentate fibers) 2.
1 day ago · Memories are thought to be stored in neural ensembles known as engrams that are specifically reactivated during memory recall. Recent studies have found that memory engrams of two events that happened close in time tend to overlap in the hippocampus and the amygdala, and these overlaps have been shown to support memory linking. It has been hypothesized that engram overlaps arise from the ...
3 days ago · The causes could be biological factors, such as a lack of dopamine from the nucleus accumbens (located in the ventral striatum), which affects how the brain processes a reward. Additionally, dopamine-related problems could occur with the ventral tegmental area. Another issue could be problems in the ventral pallidum.
