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From Brain Science to Intelligent Machines

OUR NEURO-IMAGING SERVICES


We offer high quality neuro-imaging for both clinical and brain research purposes. We adhere to highest standards of clinical practice. Following are the main highlight of our practice:

1) MEG SQUID sensors are regularly checked for signal quality and are tuned and calibrated using phantom on a weekly basis. Also, a quick signal quality check is performed before every recording session.

2) Before the commencement of recording, MEG staff provide a briefing about the MEG characteristics, requirements for the execution of mental tasks and what patients/subjects should do and avoid during the performance of a particular study task.

3) Patients/volunteers will be thoroughly screened to check that they are suitable for the MEG recording (e.g. screening for possible metallic implant, braces, surgical aneurysm clips, etc., also for medical conditions that might disqualify them to perform certain mental tasks, while in the MEG scanner).

4) After successful screening, the subject preparation is done on a special chair or MEG compatible bed. For concurrent MEG-EEG recording, subjects need to wear a 128 EEG channels BrainCap and will undergo the same preparation as for normal EEG recording. It might take up to 1 hour for EEG preparation. We may skip this part if the study only requires MEG recording as explained next.

5) As part of the preparation for MEG recording, 4 or 5 head position indicator (HPI) coils will be attached to the subjects’ head using durapore tape. These coils allow to track head movement during the scanning. Then HPI coils and their whole head will be digitised using staylus pen in order to obtain a head shape for possible co-registration with their brain anatomical image. It might take approximately 15-30 minutes for MEG preparation and digitisation.

6) Finally, the subjects will then be taken into the MSR and sit on a MEG chair or lay down on MEG bed and their head will be placed inside the MEG helmet as close as possible to the top of the helmet surface. They will be asked to keep still and be relaxed while performing the study tasks during the recording.