Alien hand syndrome is a rare neurological disorder in which movements are performed without conscious will. By using functional magnetic resonance imaging in a patient with alien hand syndrome after right parietal lesion, we could identify brain regions activated during involuntary or voluntary actions with the affected left hand. Alien hand movements involved a selective activation of contral...

A twenty-five year old woman suffered the acute onset of dysequilibrium followed by headache, nausea, vomiting, vertigo, and slurred speech while swimming. Brain imaging revealed a right cerebellar infarct. Intravenous digital subtraction angiography showed a hypoplastic right vertebral artery and focal narrowing of the dominant left vertebral at the level of the C1-C2 junction. The patient was...

Previous functional MRI and brain electrophysiology studies have studied the left-right differences during the tapping tasks and found that the activation of left hemisphere was more significant than that of right hemisphere. In this study, we wanted to delineate this lateralization phenomenon not only in the execution phase but also in other processing phases, such as early visual, pre-executi...

The majority of the population identifies as right-hand dominant, with a minority 10.6% identifying left-hand dominant. Social factors may partially skew distribution, but it remains that dominant individuals make up approximately 40 million people in United States alone and yet, remain underrepresented motor control literature. Recent research has revealed behavioral neurological differences b...

This paper presents a novel multimodal approach to automatically detect learner uncertainty through the integration of multiple sensors. An acquisition protocol was established for the recording of learner electrical brain activity and physiological signals while interacting with a problem solving system specifically designed for uncertainty elicitation. Data were collected from 38 subjects usi...

This paper addresses the problem of signal responses variability within a single subject in P300 speller Brain-Computer Interfaces. We propose here a method to cope with these variabilities by considering a single learner for each acquisition session. Each learner consists of a channel selection procedure and a classifier. Our algorithm has been benchmarked with the data and the results of the ...

Cowden syndrome is a rare autosomal dominant disorder characterized by multiple hamartomas of the ectoderm and brain. A 36-year-old Japanese man presented with right facial seizure during sleep and was admitted to our hospital. He showed cobblestoning over the tongue and palmar pitting but no neurological abnormalities while he was not having a seizure. Brain magnetic resonance imaging showed f...

in most legal systems, the right to cancel the contract is provided for consumer in electronic contracts with slight variations. in article 6 of the european :union: directives on the protection of consumers in respect of distance contracts, such right is provided too. article 37 of iranian ec code considered for the right of withdrawal is very close to the above terms. there is a controversy a...

Sir, We have followed with interest the recent discussion in Brain regarding the possibility of a ‘dominant’ right-hemispheric pedunculopontine nucleus pathology in freezing of gait in Parkinson’s disease (Fling et al., 2013, 2014; Lam et al., 2014). In the original study, Fling et al. (2013) used diffusion weighted imaging to demonstrate the presence of abnormal connectivity between the fronta...