Changes in somatosensory input can remodel human cortical motor organization, yet the input characteristics that promote reorganization and their functional significance have not been explored. Here we show with transcranial magnetic stimulation that sensory-driven reorganization of human motor cortex is highly dependent upon the frequency, intensity, and duration of stimulus applied. Those pat...

Several approaches have been used to trace axonal trajectories from diffusion MRI data. If such techniques were first developed in a deterministic framework reducing the diffusion information to one single main direction, more recent approaches emerged that were statistical in nature and that took into account the whole diffusion information. Based on diffusion tensor MRI data coming from norma...

foreign bodies in lower urinary tract may present in a different number of ways. we report four cases of such unusual presentation. physical examination and plain radiograph was sufficient enough to confirm our diagnosis in all cases. the cases belonged to different age groups and three out of four cases were managed by open surgical approach. one foreign body was removed using cystoscope. prom...

Periventricular white matter injury (PWI) is a major form of brain injury observed in congenital hemiparesis. The aim of this study is to determine the usefulness of diffusion tensor imaging (DTI) and fibre tracking in delineating the primary and secondary degenerative changes in cerebral white matter and deep grey matter in patients with spastic cerebral palsy due to PWI and to look for any po...

INTRODUCTION Hemifacial spasm (HFS) may be due to peripheral axon ephapsis or central motor neuron hyperexcitability. Low facial motor evoked potential (MEP) thresholds or MEP responses to single pulse stimulation (normally multipulse stimulation is needed) may support the central hypothesis. METHODS We retrospectively compared response thresholds for facial MEPs in 65 patients undergoing sur...

The corticospinal and corticobulbar tracts (CST, CBT) are immature at birth, in neuroanatomical terms of myelination and terminal axonal sprouting for multiple synaptic contact; these developmental features are not mature until 2 years of age. Physiologically, the CST is mainly inhibitory. Nevertheless, these pathways have an important role to play in normal neurological function at this age, t...