Related Experiment Video
Updated: Feb 8, 2026
12:44
Creation of a Knee Joint-on-a-Chip for Modeling Joint Diseases and Testing Drugs
Published on: January 27, 2023
4.5K
May the Best Joint-Actions Win: Physiological Linkage During Competition.
Maria Elide Vanutelli1,2,3, Laura Gatti1,2, Laura Angioletti1,2
1Research Unit in Affective and Social Neuroscience, Catholic University of Milan, Milan, Italy.
Applied Psychophysiology and Biofeedback
|July 7, 2018
Summary
Physiological linkage, or autonomic synchrony, increased during intense social competition. This heightened synchrony correlated with approach motivation and improved performance, suggesting its role in competitive interactions.
Area of Science:
- Social Psychology
- Psychophysiology
- Neuroscience
Background:
- Social interactions often involve psychophysiological alignment, indicating interaction intensity.
- Autonomic synchrony, termed physiological linkage, is observed in intense dyadic situations.
- Higher physiological linkage may support enhanced performance and approach behaviors (Behavioral Activation System, BAS).
Purpose of the Study:
- To investigate physiological linkage during a competitive attentional task.
- To explore the relationship between physiological synchrony, performance, and approach motivation (BAS).
- To assess autonomic activity (skin conductance, heart rate) and behavioral responses during conflict.
Main Methods:
- 32 subjects in 16 dyads competed in an attentional task with performance feedback.
- Recorded electrodermal activity (skin conductance level/response: SCL, SCR) and cardiovascular indices (heart rate: HR).
- Assessed behavioral inhibition and activation using the BIS/BAS Questionnaire.
Main Results:
- Following a competitive evaluation, behavioral performance improved and electrodermal response (SCR) increased.
- Correlational analyses revealed a link between BAS reward and SCR.
- Inter-subject analyses showed increased synchrony in SCR and HR after performance feedback.
Conclusions:
- A highly conflictual situation enhances physiological synchrony (SCR, HR).
- Subjective performance, approach motivation (BAS), and physiological linkage are interconnected.
- Physiological linkage may play a role in mediating outcomes during competitive social interactions.
Related Concept Videos
01:01Phosphodiester Linkages
111.3K
Overview
Phosphodiester bond forms when a phosphoric acid molecule (H3PO4) links with two hydroxyl groups (–OH) of two other molecules, forming two ester bonds. Two water molecules are released in this process. The phosphodiester bond is commonly found in nucleic acids (DNA and RNA) and plays a critical role in their structure and function.
Phosphodiester Bonds Link Nucleotides Together
DNA and RNA are polynucleotides or long chains of nucleotides that are linked together. A nucleotide is...
Phosphodiester bond forms when a phosphoric acid molecule (H3PO4) links with two hydroxyl groups (–OH) of two other molecules, forming two ester bonds. Two water molecules are released in this process. The phosphodiester bond is commonly found in nucleic acids (DNA and RNA) and plays a critical role in their structure and function.
Phosphodiester Bonds Link Nucleotides Together
DNA and RNA are polynucleotides or long chains of nucleotides that are linked together. A nucleotide is...
111.3K
00:49Ligand Binding and Linkage
5.6K
Allosteric proteins have more than one ligand binding site; the binding of a ligand to any of these sites influences the binding of ligands to the other sites. When a protein is allosteric, its binding sites are called coupled or linked. In the case of enzymes, the site that binds to the substrate is known as the active site and the other site is known as the regulatory site. When a ligand binds to the regulatory site, this leads to conformational changes in the protein that can influence...
5.6K
00:49Ligand Binding and Linkage
4.1K
4.1K
02:34Competition
24.9K
When organisms require the same limited resources within an environment, they may have to compete for them. Competition is a net-negative interaction. Even if two competing individuals or populations do not interact directly, the overall fitness of both competitors is lowered as a result of not having full access to the limited resource.
24.9K
01:17Nondepolarizing (Competitive) Neuromuscular Blockers: Mechanism of Action
2.9K
Nondepolarizing neuromuscular blockers induce paralysis by competitively blocking nicotinic acetylcholine receptors at the muscle end plate. Examples include pancuronium, mivacurium, vecuronium, and rocuronium. These quaternary ammonium derivatives are administered intravenously, are poorly absorbed, and are excreted via the kidneys.
Competitive antagonists prevent acetylcholine from binding to its receptor, inhibiting membrane depolarization. Without conformational changes or intrinsic...
Competitive antagonists prevent acetylcholine from binding to its receptor, inhibiting membrane depolarization. Without conformational changes or intrinsic...
2.9K
01:27Nondepolarizing (Competitive) Neuromuscular Blockers: Pharmacological Actions
991
Nondepolarizing neuromuscular blockers prevent the membrane depolarization of muscle cells and inhibit muscle contraction. These are usually administered with anesthetics to achieve complete muscle relaxation. Upon administration, these drugs first block the small, rapidly contracting muscles of the face and hands, followed by the larger muscles of the trunk and the intercostal muscles. The diaphragm is the last muscle to be affected.
Although all competitive neuromuscular blockers are designed...
Although all competitive neuromuscular blockers are designed...
991