275-channel CTF MEG 2005 Series

• Manufacturer: CTF MEG International Services Limited Partnership (CTF MISLP)
• 275 axial gradiometer SQUID channels in a head-shaped helmet, up to 12 kHz sampling rate
• 29 reference channels for reducing environmental magnetic signals
• 64 simultaneous EEG channels (56 + 8 bipolar)
• 16 analog input channels,
• Digital input channels: DB37, two parallel (DB25) and two serial (DB9) ports
• Continuous head position tracking
• Located in a magnetically shielded room
• Comfortable reclining chair or bed for seated or supine participant positioning

Auxiliary devices

• VPixx ProPixx projector (1920 x 1080 resolution, up to 500 Hz color, 1440 Hz greyscale)
• E-A-RTone insert earphones with disposable foam tips
• Two Digitimer DS7A constant current stimulators
• Eye tracking (in-house system)
• Various response devices: VPixx ResponsePixx MRI system with two custom 5-button pads, finger tapper, MEG-compatible USB keyboard and mouse, joystick
• Audio & video participant/patient monitoring and recording capabilities

Stimulus software

• Matlab & PsychToolbox
• Presentation
• E-Prime
• OpenSesame
• PsychoPy
• Real-time neuro-feedback with Brainstorm