BIOPAC® Systems, Inc. Logo

H08 Dive Reflex

Follow the procedure on this site to record and measure change in heart rate (ECG) from a human after immersing in cold water.  Next, design an experiement to identify the exact stimulus that evokes the change in heart rate (in beats per minute or BPM).

Experimental Objectives

  1. To record the change in heart rate that occurs when a subject immerses his face in cold water.
  2. To investigate the physiological reason for the observed response.

Tasks Performed by the Student

Subject will submerge face in cold water during breath holding (apnea).

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.

ItemNameCart
SS2LBLead set, shielded, BSLAdd to Cart
EL503Disp. Gen-purp electrode 100/pkAdd to Cart
ELPADAbrasive Pads 10/pkAdd to Cart
GEL1Electrode gel 50 gAdd to Cart
Spotlight On
free BIOPAC webinar

Projection VR, Training, Physiological Evaluation & Biofeedback

Projection-based virtual reality is a powerful immersive medium that makes it easy to utilize VR for research and training. With unobtrusive wireless sensing technology, researchers can easily measure physiological and behavioral responses.

You Will Learn To:
• Understand key principles of combing virtual reality + physiological data recording
• Mark events from the simulation into the physiological record
• Access physiological data in the VR environment for biofeedback and control
• Set up a projection-based VR simulation room
• Analyze the resulting data

Watch On Demand

Register Now
Latest News

New Citations | The Limitlessness of Virtual Reality

BIOPAC provides software and hardware that allows research teams to conduct studies in virtual reality. Here are a few notable studies using both virtual reality systems and BIOPAC equipment researching to see how virtual reality could impact emotions, health, and medicine. Feelings on 2D vs. 3D Previous studies have suggested that virtual reality (VR) can […]

Electrocardiography Guide Now Available

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, […]

Read All
Request a Demonstration
Request a Demonstration