66. : Medial longitudinal fasciculus: A window on axonal function in multiple sclerosisThis study aims to inform the pathophysiology of axonal dysfunction in the medial longitudinal fasciculus (MLF) in patients with internuclear ophthalmoplegia (INO) in multiple sclerosis (MS), and develop a ...
Medial longitudinal fasciculus Head and eye movements coordination Vestibular nuclei Cervical gray Ventral column Ascending tracts from the body leading to the brain convey many forms of sensory input. The dorsal column pathway is composed of two discrete tracts know as the fasciculus gracilis and the...
Correlation between age and all brain measures. SLF = superior longitudinal fasciculus; F-P = fronto-parietal lobules; L = left; R = right; PC = participation coefficient; WMD = within-module degree. Bonferroni correction sets the significance level of 0.00625 to corr...
Miller and Cohen (2001) [8] proposed that “[CC] stems from the active maintenance of patterns of activity in the PFC that represent goals and the means to achieve them. They provide bias signals to other brain structures whose net effect is to guide the flow of activity along neural path...
threshold of ≤0.005 (calculated using the Bonferroni method to adjust for multiple comparisons). All 10 ROI were found to significantly correlate with the walking speed score at p < 0.005 (rho values between 0.279 and 0.426), except in the superior longitudinal fasciculus (p = 0.035)...
2021). These results are consistent with the idea of a dorso-ventral segregation of frontoparietal coactivations forming a ‘spatial/motor’ and a ‘non-spatial/motor network’, which are in turn associated with the first and third branch of the superior longitudinal fasciculus, respectively (...
Interestingly, even if the organization of the hippocampus along its longitudinal axis is somewhat controversial (Genon et al.2021), several neuroimaging findings postulated the existence of functional sub-regions (Daugherty et al.2016) which are legitimated by distinct functional and structural connectiv...
The origin and synaptic effects of these spiral fibers have not been studied previously. When goldfish M cells were filled with Lucifer yellow, presynaptic spiral fibers were seen in the axon cap. These fibers could be traced back through the medial longitudinal fasciculus to their somata, near ...
frame-based sampling method (Gundersen et al . J Microscopy 1977; 111 : 219–222), we quantified neuronal and glial cell densities in 10 young (<50 years old) and 13 aged (>65 years old) subjects in the rostral interstitial nucleus of the medial longitudinal fasciculus (riMLF), i.e. ...
In view of both of these regions' structural and functional abnormalities in schizo- phrenia, it is likely that communication between these structures, particularly during executive tasks, is abnormal as well in patients. The superior longitudinal fasciculus, which links parietal and prefrontal cortical...