BIOPAC® Systems, Inc. Logo

H08 Dive Reflex

View Cart “General-purpose Electrodes” has been added to your cart.

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.

Item Name Cart
SS2LB Lead set, shielded, BSL Add to Cart
EL503 Disp. Gen-purp electrode 100/pk Add to Cart
ELPAD Abrasive Pads 10/pk Add to Cart
GEL1 Electrode gel 50 g Add to Cart
Spotlight On
Ag-AgCl Snap Electrodes 4 mm

Ag-AgCl Reusable Snap Electrodes

Reusable Ag-AgCl snap electrodes with 4 or 8 mm diameter and 2 mm deep gel cavity. Features for improved biopotential recordings Non-polarizable Sintered to increase electrode/electrolyte contact area Do not require chloriding Reusable via resurfacing High stability recordings, to DC, when used with chloride salt gel electrolyte Electrolyte gel cavity reduces artifact due to electrolyte/electrode motion […]

View All
Latest News

New Eye Tracking Glasses Bring Real-world Data to Academic Research

BIOPAC combines eye tracking with mobile data logging and physiology data collection to run experiments in the lab or in the real world BIOPAC Systems, Inc. is pleased to announce new eye tracking integration for researchers who conduct experiments from mobile participants in diverse locations. ETVision (EYE-ETV) eye tracking glasses now integrate with BIOPAC wireless systems and software, […]

New Citations | Utilizing VR and AcqKnowledge to Reduce Stress

 Impact of Green Space on Stress Reduction Research studies show that the increased exposure of urbanization, traffic noise and pollution has been correlated with increasing levels of stress. However, do greener, more natural environments provide the opposite effect, restoring human well-being and contributing in stress reduction? Researchers compared user experiences in Virtual Reality (VR) scenes […]

Read All
Request a Demonstration
Request a Demonstration