NEUROLOGICAL PICTURE
Related Articles
- Is the rostro-caudal axis of the frontal lobe hierarchical? Badre, David; D'Esposito, Mark // Nature Reviews Neuroscience;Sep2009, Vol. 10 Issue 9, p659
The frontal lobes in the brain are a component of the cerebral system that supports goal-directed behaviour. However, their functional organization remains controversial. Recent studies have reported rostro-caudal distinctions in frontal cortex activity based on the abstractness of action...
- Minimal forced use without constraint stimulates spontaneous use of the impaired upper extremity following motor cortex injury. Darling, Warren G.; Pizzimenti, Marc A.; Rotella, Diane L.; Hynes, Stephanie M.; Ge, Jizhi; Stilwell-Morecraft, Kimberly S.; Vanadurongvan, Tyler; McNeal, David W.; Solon-Cline, Kathryn M.; Morecraft, Robert J. // Experimental Brain Research;May2010, Vol. 202 Issue 3, p529
The purpose of this study was to determine if recovery of neurologically impaired hand function following isolated motor cortex injury would occur without constraint of the non-impaired limb, and without daily forced use of the impaired limb. Nine monkeys ( Macaca mulatta) received neurosurgical...
- Primary lateral sclerosis presenting parkinsonian symptoms without nigrostriatal involvement. Mabuchi, N.; Watanobe, H.; Atsuta, N.; Hirayama, M.; Ito, H.; Fukatsu, H.; Kato, T.; Ito, K.; Sobue, G.; Watanabe, H // Journal of Neurology, Neurosurgery & Psychiatry;Dec2004, Vol. 75 Issue 12, p1768
We encountered three patients with primary lateral sclerosis (PLS) showing bradykinesia, frozen gait, and severe postural instability, as well as slowly progressive spinobulbar spasticity. Cranial magnetic resonance (MR) imaging showed precentral gyrus atrophy. Central motor conduction was...
- Meningioangiomatosis: MR imaging and pathological correlation in two cases. Kim, Wha-Young; Kim, In-One; Kim, Woo; Cheon, Jung-Eun; Yeon, Kyung // Pediatric Radiology;Feb2002, Vol. 32 Issue 2, p96
Meningioangiomatosis is a rare, benign neoplastic disorder involving the cortex and leptomeninges. The pathological findings are characterised by proliferation of meningothelial cells and leptomeningeal vessels and calcifications within the mass. We experienced two cases of pathologically...
- Signal intensity of motor and sensory cortices on T2-weighted and FLAIR images: intraindividual comparison of 1.5T and 3T MRI. Kamada, Koji; Kakeda, Shingo; Ohnari, Norihiro; Moriya, Junji; Sato, Toru; Korogi, Yukunori // European Radiology;Dec2008, Vol. 18 Issue 12, p2949
We compared the signal intensity of motor and sensory cortices on T2-weighted and FLAIR images obtained at 3T and 1.5T. MR images of 101 consecutive neurologically normal patients who underwent both 1.5T and 3T MRI were retrospectively evaluated. The signal intensities of motor and sensory...
- Prefrontal and anterior cingulate cortex abnormalities in Tourette Syndrome: evidence from voxel-based morphometry and magnetization transfer imaging. Müller-Vahl, Kirsten R.; Kaufmann, Jörn; Grosskreutz, Julian; Dengler, Reinhard; Emrich, Hinderk M.; Peschel, Thomas // BMC Neuroscience;2009, Vol. 10, Special section p1
Background: Pathophysiological evidence suggests an involvement of fronto-striatal circuits in Tourette syndrome (TS). To identify TS related abnormalities in gray and white matter we used optimized voxel-based morphometry (VBM) and magnetization transfer imaging (MTI) which are more sensitive...
- Antisaccades and remembered saccades in mild traumatic brain injury. Crevits, L.; Hanse, M. C.; Tummers, P.; Van Maele, G. // Journal of Neurology;Mar2000, Vol. 247 Issue 3, p179
The most common site of focal lesions after mild traumatic brain injury (MTBI) is the frontal lobe. This lobe, however, is difficult to examine clinically. Neuroimaging is not performed routinely and usually shows normal results in uncomplicated trauma. Antisaccades (AS) and remembered saccades...
- Response priming in the Simon paradigm: A transcranial magnetic stimulation study. Stürmer, Birgit; Siggelkow, Sabine; Dengler, Reinhard; Leuthold, Hartmut // Experimental Brain Research;Dec2000, Vol. 135 Issue 3, p353
The Simon effect refers to the finding of faster responses when stimulus and response locations correspond than when they do not, although a nonspatial stimulus feature is task-relevant. These performance differences are usually accounted for by response priming processes directly induced by the...
- Direct demonstration of reduction of the output of the human motor cortex induced by a fatiguing muscle contraction. Di Lazzaro, V.; Oliviero, A.; Tonali, P. A.; Mazzone, P.; Insola, A.; Pilato, F.; Saturno, E.; Dileone, M.; Rothwell, J. C. // Experimental Brain Research;Apr2003, Vol. 149 Issue 4, p535
A brief period of strong muscle contraction suppresses the amplitude of EMG responses evoked in relaxed muscle by transcranial magnetic stimulation (TMS) of the contralateral motor cortex. Here we investigate this phenomenon in more detail by recording the descending motor volleys evoked by TMS...
