Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Factors Influencing Heart Rate01:30

Factors Influencing Heart Rate

2.8K
The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
2.8K
Special considerations while measuring pulse01:13

Special considerations while measuring pulse

614
Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
614
Pulse rhythm01:30

Pulse rhythm

833
Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
833
Cardiac Output I:Effect of Heart Rate on Cardiac Output01:19

Cardiac Output I:Effect of Heart Rate on Cardiac Output

863
Cardiac Output
Cardiac output (CO) refers to the total amount of blood ejected by one of the ventricles in liters per minute (L/min). In a resting adult, CO ranges from 5 to 6 L/min, adjusting according to the body's metabolic requirements.
Effect of Heart Rate on Cardiac Output
Cardiac output adapts to metabolic demands during stress, physical activity, or illness. The autonomic nervous system regulates heart rate via the sinoatrial node. The parasympathetic nervous system decreases heart...
863

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Comparing aperiodic brain activity between eyes open rest and dynamic visual input using magnetoencephalography.

NeuroImage·2026
Same author

A working model linking the psychopathology and pathophysiology of major depressive disorder - an umbrella review of neuroimaging studies and a conceptual framework.

Molecular psychiatry·2025
Same author

Comparing the carbon footprint of fMRI data processing and analysis approaches.

Imaging neuroscience (Cambridge, Mass.)·2025
Same author

Magnetic resonance spectroscopy and the menstrual cycle: A multi-centre assessment of menstrual cycle effects on GABA & GSH.

Journal of neuroscience methods·2025
Same author

Structural alterations in a rumination-related network in patients with major depressive disorder.

Psychiatry research. Neuroimaging·2024
Same author

Hippocampal and limbic microstructure changes associated with stress across the lifespan: a UK biobank study.

Scientific reports·2024

Related Experiment Video

Updated: Jul 18, 2025

Uncovering Beat Deafness: Detecting Rhythm Disorders with Synchronized Finger Tapping and Perceptual Timing Tasks
09:04

Uncovering Beat Deafness: Detecting Rhythm Disorders with Synchronized Finger Tapping and Perceptual Timing Tasks

Published on: March 16, 2015

12.8K

Increasing familiarity with the heartbeat counting task does not affect performance.

Evgeny A Parfenov1, Niall W Duncan1

  • 1Graduate Institute of Mind, Brain and Consciousness, Taipei Medical University, Taipei, Taiwan.

Biological Psychology
|August 20, 2023
PubMed
Summary
This summary is machine-generated.

Heartbeat counting task performance is stable, suggesting non-interoceptive factors influence results. A correlation with visual counting indicates a general tendency to count uncertain stimuli.

Keywords:
Heartbeat counting taskInteroceptionSignal detectionTask familiarity

More Related Videos

Modulating Cognition Using Transcranial Direct Current Stimulation of the Cerebellum
11:47

Modulating Cognition Using Transcranial Direct Current Stimulation of the Cerebellum

Published on: February 15, 2015

28.7K
Author Spotlight: Investigating HR-Dependent Cardiac Function in Mouse Models Through a Novel Atrial-Pacing Approach
07:49

Author Spotlight: Investigating HR-Dependent Cardiac Function in Mouse Models Through a Novel Atrial-Pacing Approach

Published on: July 21, 2023

1.4K

Related Experiment Videos

Last Updated: Jul 18, 2025

Uncovering Beat Deafness: Detecting Rhythm Disorders with Synchronized Finger Tapping and Perceptual Timing Tasks
09:04

Uncovering Beat Deafness: Detecting Rhythm Disorders with Synchronized Finger Tapping and Perceptual Timing Tasks

Published on: March 16, 2015

12.8K
Modulating Cognition Using Transcranial Direct Current Stimulation of the Cerebellum
11:47

Modulating Cognition Using Transcranial Direct Current Stimulation of the Cerebellum

Published on: February 15, 2015

28.7K
Author Spotlight: Investigating HR-Dependent Cardiac Function in Mouse Models Through a Novel Atrial-Pacing Approach
07:49

Author Spotlight: Investigating HR-Dependent Cardiac Function in Mouse Models Through a Novel Atrial-Pacing Approach

Published on: July 21, 2023

1.4K

Area of Science:

  • Cognitive Neuroscience
  • Psychophysiology

Background:

  • Interoception involves processing internal bodily signals.
  • The heartbeat counting task is a common measure of interoceptive ability.
  • Concerns exist that this task may assess factors beyond cardiac sensation.

Purpose of the Study:

  • To examine changes in heartbeat counting task performance across repetitions.
  • To compare heartbeat and visual counting task performance to explore reporting tendencies for uncertain stimuli.

Main Methods:

  • Seventy-nine healthy participants completed multiple blocks of heartbeat and visual counting tasks.
  • Performance was analyzed for changes across task repetitions.
  • The correlation between heartbeat and visual counting task performance was assessed.

Main Results:

  • Heartbeat counting task performance remained consistent across blocks.
  • Visual counting task performance declined over time.
  • A positive correlation was observed between performance in both tasks.

Conclusions:

  • Heartbeat counting task performance is reliable across repetitions, unaffected by familiarity.
  • The stability suggests non-interoceptive influences, like beliefs, may play a role.
  • Task correlation implies a general propensity for counting uncertain stimuli, questioning its sole use for interoception measurement.