Functional magnetic resonance imaging and diffusion tensor tractography of the corticopontocerebellar tract in the human brain
- Functional magnetic resonance imaging and diffusion tensor tractography of the corticopontocerebellar tract in the human brain
- 장성호; 홍지헌
- ABERRANT PYRAMIDAL TRACT; RHESUS-MONKEY; MEDIAL LEMNISCUS; PONTOCEREBELLAR PROJECTION; CORTICOPONTINE PROJECTION; HORSERADISH-PEROXIDASE; CORTICOSPINAL TRACT; MOTOR CORTEX; STEM; ORGANIZATION
- Issue Date
- SHENYANG EDITORIAL DEPT NEURAL REGENERATION RES
- NEURAL REGENERATION RESEARCH, v.6, no.1, pp.76 - 80
- The anatomical organization of the corticopontocerebellar tract (CPCT) in the human brain remains poorly understood. The present study investigated probabilistic tractography of the CPCT in the human brain using diffusion tensor tractography with functional magnetic resonance imaging. CPCT data was obtained from 14 healthy subjects. CPCT images were obtained from functional magnetic resonance imaging and diffusion tensor tractography, revealing that the CPCT originated from the primary sensorimotor cortex and descended to the pontine nucleus through the corona radiata, the posterior limb of the internal capsule, and the cerebral peduncle. After crossing the pons through the transverse pontine fibers, the CPCT entered the cerebellum via the middle cerebral peduncle. However, some variation was detected in the midbrain (middle cerebral peduncle and/or medial lemniscus) and pons (ventral and/or dorsal transverse pontine fibers). The CPCT was analyzed in 3 dimensions from the cerebral cortex to the cerebellum. These results could be informative for future studies of motor control in the human brain.
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