Acoustic startle reflex

AES-ASR1: One Acoustic Startle Reflex Test Station
LabState license: startle reflex, one box
Hardware components:
1. One DIG-441: USB analog/digital I/O interface
2. One load cell platform
3. One load-cell signal amplifier
4. One digital audio power amplifier
5. One speaker unit
6. One standard sound attenuating cubicle lined with foam
7. Optional: one scrambled shocker and shock-grid