词汇 | striatum |
释义 | striatum noun[ C ] anatomy specializeduk /straɪˈeɪ.təm/ us /straɪˈeɪ.t̬əm/pluralstriatauk /straɪˈeɪ.tə/ us /straɪˈeɪ.t̬ə/ one of two areas of nerve tissue with a striped appearance, one on each side of the brain, that help control behaviour, movement, and planning: The striatum is densely interconnected with the hippocampus, thalamus, and frontal cortex. The caudate nucleus is one of two structures that form the dorsal striatum. Both the dorsal and the ventral striata now respond to stimulation by dopamine. The scientists focused on a region of the brain called the striatum, which has been linked to a range of brain disorders, including Parkinson's. The reflexive system is implicit, and relies on processing in the striatum. The brain & nervous system abducens nerve abducent nerve accessory nerve alexithymia allism glossopharyngeal nerve grey matter hemispheric hemispherical hindbrain neurofibrillary neurogenic neurogenically neuroglia neuroglial reinnervation reticular formation rhinencephalon rhombencephalon right brain Synonymcorpus striatum Examples of striatumstriatum In our own group, we have recently analyzed related phenomena in striatum. Tracking the hemodynamic responses to reward and punishment in the striatum. Topographic distribution of the neurons of the central complex (centre-m6dianparafascicular complex) and other thalamic neurons projecting to the striatum in macaques. Axons of the first type projected directly and only to the striatum. Ratios between mean counts in striatum and cerebellum were calculated. This latter finding suggests that the striatum was not only encoding the actual utility of the outcome, but the expected utility during the decision-making phase. Topographical organization of the projections from physiologically identified areas of the motor cortex to the striatum in the rat. Regions of interest were drawn manually over the striatum and the frontal cortex. There is no reason to suppose that abnormalities of frontal cortex and striatum are different from other parts of the brain in these respects. Electrical stimulation of the medial prefrontal cortex increases dopamine release in the striatum. Through its connection to the amygdala, the striatum is involved in generating emotional and behavioral responses to rewarding stimuli. Our results show that cytokine expression is found both in the directly damaged striatum and in the adjacent cortex, but following different expression patterns. These are variably distributed in brain areas such as striatum, cortex and limbic system. Bone marrow-derived macrophages (with green fluorescent transgene) were grafted in the striatum 3, 8 and 16 days after toxin injection. Regional analyses will indicate that vulnerable areas of injury include periventricular structures, the hippocampus, the striatum, and the frontal cortex. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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