Specifications
Stim2 Timing and Accuracy Specifications
AUDIO
- Stimulus onset to trigger pulse below 220µs* allowing acquisition of Auditory Brainstem Response (ABR)
VIDEO TIMING
- Stimulus onset duration limited to two refresh cycles. For example, a 100Hz refresh rate will generate minimum stimulus duration = 20ms
- Trigger to video onset reliability ± 100µs
STIM2 with STIM Hardware
AUDIO
- Noise 106dB SNR
- Resolution 24 bits
- Rate 192 kHz
- SPL 0-
120dB with .75dB steps independent channel control
VIDEO
- 256Mb RAM Minimum
- Dual monitor support
- To available refresh rate of system
- Minimum resolution 1024 x 768 higher resolution graphics card dependent
- Built in hardware acceleration with Microsoft® DirectX™ Support
RESPONSE DEVICE
- Keyboard, Mouse & 4-
button hardware latched response pad for 1ms reaction time accuracy
STIM2 Software Only
AUDIO
- Dependent on user’s hardware**
VIDEO
- Dependent on user’s hardware**
RESPONSE DEVICE
- Dependent on Operating System
*Only with Neuroscan hardware
**Neuroscan cannot guarantee your timing with user supplied hardware
