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H31 Prepulse Inhibition

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A startle response is a physiological response to an unexpected intense stimulus, such as a burst of loud noise or the slamming of a door. This stimulus is known as the startle-eliciting stimulus. Responses to the startle-eliciting stimulus include increases eye blinking, heart rate, skin conductance, and muscular responses.

Experimental Objectives

  1. To observe changes in the startle response as the subject is exposed to an unexpected, sudden stimulus.
  2. To observe changes in the startle response as the subject is exposed to the prepulse inhibition stimulus.
  3. To measure, compare, and correlate the response of blink magnitude, latency, and habituation rate as the subject is exposed to the startle-eliciting stimulus and the pre-pulse inhibition stimulus.

Tasks Performed by the Student

Subject will:

Videos

Biopac Student Lab Student Download

Student Prep & Distance Learning

Click the link(s) below for sample data and/or lesson procedure video(s), BSL PRO Lesson procedures (PDF) for human lessons*, and graph template files (*.gtl) for BSL PRO Lessons. If more than one .gtl is available, download the .gtl with the _suffix to match BSL version and hardware.

Lesson Hardware

This lesson requires a Biopac Student Lab (BSL) System and the following hardware. If your BSL System does not include all hardware items, expand your system by selecting required items below. For more details, review the Lesson: L# BSL Lessons - see the Lab Manual or launch BSL; A# and H# BSL PRO Lessons, click the PDF link above to review full setup, recording, and analysis procedures.

Item Name Cart
STP35W SuperLab System for MP36/35 or MP36R Add to Cart
SS2LB Lead set, shielded, BSL Add to Cart
EL504 Disp. Cloth electrode 30/pk Add to Cart
GEL1 Electrode gel 50 g Add to Cart
ELPAD Abrasive Pads 10/pk Add to Cart
OUT1A Headphones to MP36/MP36R output port Add to Cart
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Electrodermal Activity (EDA) is an objective index for understanding emotional states. Researchers measure EDA to gain insights on psychological or physiological response, leading them down the path of scientific discovery. Because EDA is so important to research, BIOPAC has created tools to optimize event-related EDA analysis. Topics include: how to identify skin conductance responses, convert stim events from E-Prime SuperLab, Presentation, Vizard, etc., into AcqKnowledge events that can used for analysis, and score skin conductance responses using the AcqKnowledge automated EDA analysis tool.

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