Related Experiment Video
Updated: May 16, 2026

05:59
New Framework for Understanding Cross-Brain Coherence in Functional Near-Infrared Spectroscopy (fNIRS) Hyperscanning Studies
Published on: October 6, 2023
Short and long term investor synchronization caused by decoupling.
Magda Roszczynska-Kurasinska1, Andrzej Nowak, Daniel Kamieniarz
1The Robert B. Zajonc Institute for Social Studies, University of Warsaw, Warsaw, Poland. magda.roszczynska@gmail.com
Plos One
|December 14, 2012
Summary
Collective decision-making dynamics are complex. This study shows how spontaneous market moods emerge, allowing prediction of financial turbulence before it occurs.
Area of Science:
- Behavioral economics
- Computational finance
- Social psychology
Background:
- Collective decision-making dynamics remain poorly understood.
- Turbulent financial markets can lead to significant financial losses.
- Understanding emergent behaviors in markets is crucial.
Purpose of the Study:
- To investigate the emergence of collective moods and biases in human trading behavior.
- To develop a predictive model for market turbulence.
- To link experimental data with theoretical and simulation approaches.
Main Methods:
- Human participants engaged in a stock market trading game.
- Applied theory and computational simulations to experimental data.
- Analyzed the dynamics of spontaneous collective biases.
Main Results:
- Demonstrated the dynamic emergence of collective moods and biases.
- Successfully predicted the onset of turbulent market moments.
- Validated findings through a combination of human experiments and simulations.
Conclusions:
- Collective moods dynamically emerge in financial markets.
- Predictive models can forecast market instability.
- Integrating human behavior, theory, and simulation offers insights into market dynamics.
Related Concept Videos
Long-term Depression
Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Long-term Depression
Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Calcium Ion Concentration Mechanism
If over time, all...
Calcium Ion Concentration Mechanism
If over time, all...
¹³C NMR: ¹H–¹³C Decoupling
The probability of having two carbon-13 atoms next to each other is negligible because of the low natural abundance of carbon-13. Consequently, peak splitting due to carbon-carbon spin-spin coupling is not observed in spectra. However, protons up to three sigma bonds away split the carbon signal according to the n+1 rule, resulting in complicated spectra.
A broadband decoupling technique is used to simplify these complex, sometimes overlapping, signals. Broadband decoupling relies on a...
A broadband decoupling technique is used to simplify these complex, sometimes overlapping, signals. Broadband decoupling relies on a...
Fast Decoupled and DC Powerflow
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
Speciation Rates
Overview
¹H NMR: Long-Range Coupling
The coupling interactions of nuclei across four or more bonds are usually weak, with J values less than 1 Hz. While these are usually not observed in spectra, the presence of multiple bonds along the coupling pathway can result in observable long-range coupling.
In alkenes, spin information is communicated via σ–π overlap, as seen in allylic (four-bond) and homoallylic (five-bond) couplings. These coupling interactions are stronger when the σ bond is parallel to the alkene π orbitals.
In alkenes, spin information is communicated via σ–π overlap, as seen in allylic (four-bond) and homoallylic (five-bond) couplings. These coupling interactions are stronger when the σ bond is parallel to the alkene π orbitals.

