Neuroanatomical Basis of Clinical Neurology

Arslan, Orhan E.

doi:10.1201/b17094

Cited by 11 publications

(9 citation statements)

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“…In the human brain, it is known that the primary VCT originates from the inferior cerebellar peduncle and terminates in the vestibulocerebellum of the ipsilateral side. It is also known that the secondary VCTs originate from the medial and inferior vestibular nuclei and terminate in the vestibulocerebellum (uvula, nodule, and flocculus) [ 24 ]. Our findings were consistent with the literature regarding the anatomical pathways to the VCTs.…”

Section: Discussionmentioning

confidence: 99%

Anatomical Location of the Vestibulocerebellar Tract in the Healthy Human Brain: A Diffusion Tensor Imaging Study

et al. 2021

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The vestibulocerebellar tract (VCT) is regarded as an important pathway of the central vestibular system. We identified the anatomical characteristics of the primary and secondary VCTs in a normal human brain using diffusion tensor imaging (DTI) tractography. Thirty-one healthy adults were recruited. A 1.5 T scanner was used for DTI tractography. A seed region of interest (ROI) was placed on the superior and medial vestibular nuclei at the pons level and a target ROI was placed on the uvula–nodulus of the cerebellum for reconstructing the primary VCT. In the secondary VCTs, the seed ROI was placed on the inferior and medial vestibular nuclei at the medulla oblongata level, and target ROIs were placed on the bilateral uvula–nodulus of the cerebellum. The primary VCT originated from the superior and medial vestibular nuclei at the pons level and terminated at the ipsilateral uvula–nodulus of the cerebellum. The component of the secondary VCTs originated from the inferior and medial vestibular nuclei at the level of the medulla oblongata and terminated at the bilateral uvula–nodulus of the cerebellum. Among them, 70.97% in the contralateral secondary VCT crossed at the vermis of the cerebellum. In addition, the fractional anisotropies (FAs) and mean diffusivity (MD) values of the primary VCT were significantly higher and lower, respectively, compared to those of the secondary VCTs (p < 0.05). The contralateral secondary VCT was significantly higher and lower in the MD and tract volume, respectively (p < 0.05), compared to the ipsilateral VCT. Therefore, we believe that the results will be useful for future studies of the vestibular projection pathway in the human brain injury aspect of central vestibular syndrome.

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Section: Discussionmentioning

confidence: 99%

Anatomical Location of the Vestibulocerebellar Tract in the Healthy Human Brain: A Diffusion Tensor Imaging Study

et al. 2021

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“…Executive control is also found to be related to the anterior cingulate gyrus to suppress inappropriate unconscious priming (Lavin et al, 2013). That may explain why PCL.L, whose neurons are concerned with motor and sensory innervations (Arslan, 2014), is the third hub of the fifth meta-network, because PCL.L may provide auxiliary coordination with the cingulate gyrus in behavior control (Sarkheil et al, 2013). Additionally, the fourth hub IOG.R is important in visual information processing (Rossion et al, 2003; Slotnick and Schacter, 2004; Waberski et al, 2008), which may also provide auxiliary coordination.…”

Section: Discussionmentioning

confidence: 99%

Meta-Network Analysis of Structural Correlation Networks Provides Insights Into Brain Network Development

Yap

et al. 2019

Front. Hum. Neurosci.

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Analysis of developmental brain networks is fundamentally important for basic developmental neuroscience. In this paper, we focus on the temporally-covarying connection patterns, called meta-networks, and develop a new mathematical model for meta-network decomposition. With the proposed model, we decompose the developmental structural correlation networks of cortical thickness into five meta-networks. Each meta-network exhibits a distinctive spatial connection pattern, and its covarying trajectory highlights the temporal contribution of the meta-network along development. Systematic analysis of the meta-networks and covarying trajectories provides insights into three important aspects of brain network development.

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“…The basal nucleus is located ventral to the lateral nucleus and dorsal to the accessory basal nucleus, which is near the amygdala-hippocampus area (Nikolenko et al, 2020). Somatostatin and neuropeptide Y, excitatory amino acids aspartate and glutamate, and opiate and benzodiazepine receptors, especially GABA A , are present in large concentrations in the basolateral nuclear complex (Arslan, 2014).…”

Section: Structural Nuclear Organization and Intraamygdaloid Connectionsmentioning

confidence: 99%

Anatomical Organization of the Amygdala: A Brief Visual Review

Dalla Corte,

Pinzetta,

Ruwel

et al. 2023

Cognitive and Behavioral Neurology

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The amygdala consists of a collection of nuclei that are deep within the medial temporal lobe. Despite its small size, the amygdala is one of the most densely connected structures in the brain, and it plays a role in many superior neural functions, including neurovegetative control, motor control, memory processing, and neuromodulation. Advances in neuroimaging technology for examining brain activity have opened up new ways of understanding the functional contribution of this structure to emotions, learning, and related memories. Many studies have shown that the amygdala plays a key role in the pathophysiology of neuropsychiatric disorders, such as anxiety disorders, depression, aggression, and temporal epilepsy. This article reviews the anatomical structure of the amygdaloid complex and the connectivity among its subdivisions and with other brain structures, which will serve as a basis for understanding the clinical correlations.

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Neuroanatomical Basis of Clinical Neurology

Cited by 11 publications

References 0 publications

Anatomical Location of the Vestibulocerebellar Tract in the Healthy Human Brain: A Diffusion Tensor Imaging Study

Anatomical Location of the Vestibulocerebellar Tract in the Healthy Human Brain: A Diffusion Tensor Imaging Study

Meta-Network Analysis of Structural Correlation Networks Provides Insights Into Brain Network Development

Anatomical Organization of the Amygdala: A Brief Visual Review

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