Dual interaction between heartbeat-evoked responses and stimuli
Yihui Zhang1, Jianfeng Zhang2, Musi Xie1
1Key Laboratory of Brain, Cognition and Education Sciences, Ministry of Education; School of Psychology, Center for Studies of Psychological Application, and Guangdong Key Laboratory of Mental Health and Cognitive Science, South China Normal University, Guangzhou, China.
Neuroimage
|December 19, 2022
Summary
This study reveals a dual interaction between heartbeat-evoked responses (HERs) and hearing one's own name (SON). Findings suggest distinct neural pathways for how SON influences HERs and how HERs affect SON perception.
Area of Science:
- Neuroscience
- Cognitive Science
- Psychophysiology
Background:
- Heartbeat-evoked responses (HERs) are neural signals influenced by cardiac activity.
- HERs interact with external stimuli, impacting perception and self-related processing.
- The neural mechanisms underlying the bidirectional interaction between stimuli and HERs are not fully understood.
Purpose of the Study:
- To investigate the interactive mechanism between HERs and the perception of a subject's own name (SON).
- To determine if SON modulates HERs.
- To examine if prestimulus HERs bias SON judgment.
Main Methods:
- Magnetoencephalography (MEG) was used to measure HERs.
- Two name perception tasks were employed.
- Participants' responses to SON stimuli and their relationship with ongoing HERs were analyzed.
Main Results:
- Subject's own name (SON) modulated HERs between 200 and 1200 ms post-stimulus.
- Prestimulus HERs biased the judgment of SON.
- MEG activity patterns differed for the two interaction types, suggesting distinct neural pathways.
Conclusions:
- A dual interaction exists between HERs and SON perception.
- These interactions involve distinct neural mechanisms.
- Findings advance the understanding of brain-heart interactions in cognitive processes.
More Related Videos
Related Concept Videos
01:22Muscle Stimulation Frequency
2.4K
The contraction strength of muscles is regulated by motor neurons, which modulate the frequency of action potentials dispatched to the motor units based on the body's requirements. This process of varying the muscle stimulation frequency allows muscles to contract with a force that is precisely tailored to the needs of the moment, whether lifting a feather or a heavy box.
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
2.4K
01:19Electrophysiology of Normal Cardiac Rhythm
6.7K
The normal cardiac rhythm is a synchronized electrical activity that facilitates the regular and coordinated contraction of the heart muscle. This process is essential for efficient blood circulation throughout the body. The fundamental elements involved in establishing and maintaining this rhythm include the unique electrical properties of cardiac muscle cells, the sinoatrial (SA) node's pacemaker function, the specialized conducting system, and the ionic mechanisms underlying each phase...
6.7K
01:30Cardiac Action Potential
2.1K
Cardiac action potentials are essential for proper heart function, enabling the rhythmic contractions needed for adequate blood circulation. Nodal cells and Purkinje fibers, specialized for electrical conduction, generate these action potentials.
The cardiac action potential process involves a series of phases characterized by the movement of ions across the cardiac cell membranes, leading to the depolarization and repolarization of the cardiac myocytes.
Ionic Basis of Cardiac Action Potentials
The cardiac action potential process involves a series of phases characterized by the movement of ions across the cardiac cell membranes, leading to the depolarization and repolarization of the cardiac myocytes.
Ionic Basis of Cardiac Action Potentials
2.1K
01:31Regulation of Heart Rates
2.0K
The regulation of heart rate is a complex process controlled by the autonomic nervous system (ANS), hormonal influences, and intrinsic cardiac mechanisms. The ANS has two main components: the sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS).
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...
2.0K
01:19Conduction System of the Heart
9.5K
Autorhythmicity is a term that refers to the heart's inherent ability to generate electrical signals and instigate muscle contractions. This self-regulating conduction system within the heart consists of two key components: the pacemaker cells and specialized conducting cells.
The pacemaker cells are located in two primary nodes: the sinoatrial (SA) node and the atrioventricular (AV) node. The SA node pacemaker cells can autonomously depolarize, triggering an action potential that leads to the...
The pacemaker cells are located in two primary nodes: the sinoatrial (SA) node and the atrioventricular (AV) node. The SA node pacemaker cells can autonomously depolarize, triggering an action potential that leads to the...
9.5K
01:29Disturbances in Heart Rhythm
1.1K
Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
1.1K