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OBJECTIVES To investigate the mechanisms responsible for suppressing the amplitude of electromyogram (EMG) responses to a standard transcranial magnetic stimulus (TMS) after prior conditioning of the motor cortex with repetitive subthreshold TMS (rTMS) at a frequency of 1 Hz. METHODS EMG responses from the first dorsal interosseous, abductor pollicis(More)
We studied the effects of 0.2 Hz repetitive transcranial magnetic stimulation (rTMS) successively performed 6 times for 2 weeks in 12 patients with idiopathic Parkinson's disease (PD). Ten patients received rTMS to the bilateral frontal cortex (frontal rTMS) and six patients received rTMS to the bilateral occipital cortex (occipital rTMS). Before and after(More)
Seven subjects made a wrist flexion movement as rapidly as possible in response to a cutaneous shock on the opposite hand. In some trials, an auditory warning signal was given 0.5 s beforehand. In random trials, transcranial magnetic stimulation (TMS) was used to elicit EMG responses (MEPs) in forearm flexor and extensor muscles 0-500 ms before the(More)
The movement-related cortical electroencephalographic potential was recorded from scalp electrodes in 8 patients with idiopathic Parkinson's disease studied at least 12 hours after withdrawal of their normal drug therapy, and compared with the results from a group of 8 age-matched control subjects. Two types of self-paced voluntary arm movements were(More)
OBJECTIVE It has been demonstrated that the increased blood pressure (BP) caused by a single dose of water alleviates orthostatic hypotension (OH) and postprandial hypotension (PPH) in patients with autonomic failure (AF). The aim of this study was to evaluate the practical effect of daily water drinking on OH and PPH in the morning when patients with AF(More)
The present study was undertaken to evaluate the effects of monocular enucleation on the calbindin-D 28k (CB) and c-Fos immunoreactive (IR) neurons in the lateral geniculate nucleus (LGN) complex of adult rats. The enucleation resulted in neuronal degeneration and decrease of neurons in the LGN complex. Our study demonstrated a decrease of CB-IR neuronal(More)
OBJECTIVE To investigate the clinical, genetic, and neuroradiologic presentations of idiopathic basal ganglia calcification (IBGC) in a nationwide study in Japan. METHODS We documented clinical and neuroimaging data of a total of 69 subjects including 23 subjects from 10 families and 46 subjects in sporadic cases of IBGC in Japan. Mutational analysis of(More)
The expression of calcium binding proteins (CaBPs) has been linked to protection of neurons. The present study investigated the effects of monocular enucleation on the distribution of parvalbumin immunoreactive (PV-IR) neurons and glial fibrillary acidic protein immunoreactive (GFAP-IR) astrocytes in both the dorsal (dLGN) and ventral (vLGN) regions of the(More)
Two patients with myasthenia gravis (Ossermann IIb) involving invasive thymoma who underwent extensive thymectomy manifested myasthenic crisis shortly after the procedure; however, both patients were treated with intravenous immunoglobulin and recovered from myasthenic crisis that had been deteriorating for about 1 week. Subsequently, the patients were(More)