A startle response is elicited by an intense stimulus with a sudden or abrupt onset such as the slamming of a door. The function of the startle response is to interrupt or disengage an organism from ongoing activity. The human startle response involves both somatic and cardiovascular components, seen in the form of a reflexive eye-blink or a whole-body jerk.
One method that is used in startle research involves the presentation of a weak, non-startling stimulus a brief time before the startle-eliciting stimulus. The weaker stimulus is called a prepulse or lead stimulus. Generally, this stimulus does not elicit a startle response. However, it can inhibit the response to a startle-eliciting stimulus, known as the prepulse inhibition of a startle effect (PPI).
The Ventilator Validation Kit supports new prototype development, existing design validation for production testing, mobile field testing and verification, and other uses where accurate pressure and flow measurements are critical. The Ventilator Validation Kit provides ventilator manufacturers and prototype developers with a complete solution for validating new medical/hospital-grade ventilator products intended for human use. The VVK100-SYS includes […]
Studying Cognitive Activity with fNIR! The age-old game of chess is known as a thinking man’s game, where foresight, critical thinking, and strategy are required to become a good chess player, and the terms “genius” or “brilliance” are bestowed upon the chess masters of the world. As such, chess is an excellent cognitive tool to […]
BIOPAC’s comprehensive Introductory ECG Guide addresses fundamental to advanced concerns to optimize electrocardiography data recording and analysis. Topics include: ECG Complex; Electrical and Mechanical Sequence of a Heartbeat; Systole and Diastole; Configurations for Lead I, Lead II, Lead III, 6-lead ECG, 12-lead ECG, precordial leads; Ventricular Late Potentials (VLPs); ECG Measurement Tools; Automated Analysis Routines for extracting, […]