Stimulus and Response Equipment //
The MEG system has a variety of stimulus and response requipment.
Stimulus Equipment
Stimuli are delivered through one of the two following software programs:
- Presentation stimulus delivery: http://www.neurobs.com/ (versions 11 and 13) on Dell Precision 390 with NVIDA Quadro FX 1400 graphics card and SB Audigy 2ZS sound card
- Stim2 stimulus delivery: http://www.neuroscan.com/ on Dell Optiplex 755 with ATI Radeon HD 2400XT graphics card and Sound Blaster X-Fi Xtreme sound card
Custom input: MEG can receive custom 8 channel digital parallel port input, or single channel BNC digital or analog input
Visual Stimuli
Projector: Panasonic PT-D7700 with DVI
Panasonic PT-D7700 User's Manual
Visual delay/jitter: 35.1 ms +/-0.2 ms
Auditory Stimuli
Etymotic auditory system: http://www.etymotic.com/pro/er30.aspx
Avotec auditory system : http://www.avotecinc.com
Auditory delay/jitter: 3.5.ms +/- 0.2ms
Somatosensory Stimuli
Digitimer electrical somatosensory stimulator: http://www.digitimer.com/clinical/pstims.htm#ds7a
Measured 10/20/2010: 2 ms delay
Grass electrical somatosensory stimulators: http://www.grasstechnologies.com/products/stimulators/stims88.html
Pneumatic somatosensory stimulator (8 channel)
Measured 1/3/2011: ~30ms delay
Details on stimuli are available from the MEG Core.
Response Equipment
- The MIND Input Device: https://www.mrn.org/collaborate/mind-input-device
- Mind Finger-lift Device
- Neuroscan Motor Response Device
- Rollerball track-ball device (in Testing)
- Squeeze Ball
- Infant Squeeze Toy
Eyetracker
Eyelink 1000 Eye-tracker: http://sr-research.com/EL_1000.html
Presentation extension for Eyelink: http://www.cs.umb.edu/~marc/prexel/
https://www.sr-support.com/forums/index.php
Custom Monitoring Equipment
- Photo Diode
- Microphone
- Force Sensing Resistors
