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  • J Sun
  • 1989
The distribution of AchE activity in the cochleae of 42 normal guinea pigs was studied with thiocholine Cu-ferrocyanide method. Light microscopy revealed the AchE activity in the following areas: 1. the inner spiral bundle, 2. the spiral tunnel bundle, 3. the upper tunnel radial fibers, and 4. the large nerve endings at the base of the outer hair cells.(More)
OBJECTIVE To investigate the relationship between cognitive impairment and somatosensory evoked magnetic field and auditory evoked magnetic field changes in elderly male patients with subcortical ischemic vascular dementia (SIVD). METHODS Magnetoencephalography (MEG) was used to record evoked magnetic field changes from 4 SIVD patients (76-88 years), 3(More)
OBJECTIVE To access the pathological changes of the functional localization of the primary auditory cortex in auditory neuropathy patients using magnetoencephalography (MEG). METHODS The M100 waves of cortical evoked magnetic fields (AEF) evoked by 0.5, 1, 2, 4, 6, 8 kHz pure tones were measured respectively in 10 auditory neuropathy patients (20 ears)(More)
OBJECTIVE To evaluate the value of magnetic source imaging (MSI) in the functional localization of the primary auditory cortex. METHODS The M100 waves of cortical auditory evoked magnetic fields (AEFs) evoked by 0.5, 1, 2, 4 and 8 kHz pure tones in 5 subjects and by 2 kHz pure tones in 25 healthy young subjects were measured respectively (16 males and 14(More)
OBJECTIVE To investigate the characteristics of somatosensory evoked magnetic fields (SEF) in patients with acute cerebral infarction by magnetoencephalgraphy (MEG). METHODS SEFs were recorded from 17 patients with acute cerebral infarction and 18 healthy volunteers using 306-channel whole-head MEG. The electric stimuli were presented with interstimulus(More)
OBJECTIVE To create a cytological model of spiral ganglion neurons in postnatal mammals in vitro. METHODS The primary culture of spiral ganglion neurons (SGN) was carried out with seven-day postnatal Wistar rats. The process of cellular growth and differentiation of SGN were observed by fluorescent microscope and inverted/phase contrast microscopy.(More)
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