Observation of Auditory Perceptual and Visuo-Spatial Characteristic of a Patient with Hemangiopericytoma in Occipital Lobe: A Magnetoencephalography (MEG) Study
- Author:
Hanani Abdul MANAN
1
;
Jafri Malin ABDULLAH
;
Mohammed Faruque REZA
;
Muhammad Hafiz HANAFI
;
Zamzuri IDRIS
Author Information
- Publication Type:Journal Article
- Keywords: Visual evoked field (VEF); auditory evoked field (AEF); magnetoencephalography (MEG); hemangiopericytoma; occipital cortex
- From:Malaysian Journal of Health Sciences 2018;16(2):85-91
- CountryMalaysia
- Language:English
- Abstract: The present study discussed functional reorganization and alteration in respond to the slow-growing tumour,hemangiopericytoma in the occipital cortex. Visual evoked field (VEF) and auditory evoked field (AEF) usingmagnetoencephalography (MEG) was used to evaluate the source localization and brain activity. Results of VEF sourcelocalization show a typical brain waves. Brain activity of the occipital lobe demonstrate low activation in the ipsilateralto the tumour. However, result shows the activation on the contralateral hemisphere was high and bigger in activationvolume. AEF result shows an identical source localization and both side of the temporal lobe are activated. This resultsuggests that there is a positive plasticity in auditory cortex and slow-growing tumour can induce functional reorganizationand alteration to the brain.
- Full text:16.2018my0233.pdf
