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Related Concept Videos

Working Memory01:24

Working Memory

165
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
165

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Related Experiment Video

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Inter-Brain Synchrony in Open-Ended Collaborative Learning: An fNIRS-Hyperscanning Study
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Working memory load impairs tacit coordination but not inter-brain EEG synchronization.

Lionel A Newman1,2, Ming Cao1, Susanne Täuber3

  • 1Engineering and Technology Institute, University of Groningen, Groningen 9747 AG, The Netherlands.

Social Cognitive and Affective Neuroscience
|March 7, 2024
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Summary
This summary is machine-generated.

Working memory is crucial for coordinating actions with others. High cognitive load impairs performance in a two-person coordination task, suggesting executive functions are essential for social alignment.

Keywords:
hyperscanningjoint actionsynchronizationtheory of mindworking memory

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Area of Science:

  • Cognitive Neuroscience
  • Social Psychology
  • Human Behavior

Background:

  • Coordinating actions with others is believed to depend on Theory of Mind (ToM).
  • The causal role of specific cognitive processes in coordinated action remains unclear.
  • Working memory load has been shown to impair ToM in individual tasks.

Purpose of the Study:

  • To investigate the causal role of working memory load in two-person coordination.
  • To examine the effects of cognitive load on performance and neural measures during a coordination task.

Main Methods:

  • Used electroencephalography (EEG) to measure P3 amplitude (working memory encoding) and inter-brain synchronization (IBS).
  • Employed a computerized coordination task where dyads selected abstract images.
  • Manipulated working memory load using a concurrent n-back task (high vs. low load).

Main Results:

  • High working memory load significantly reduced coordination performance and P3 amplitude.
  • A significant relationship was observed between P3 amplitude and coordination performance.
  • Inter-brain synchronization (IBS) was not affected by load and did not correlate with performance.

Conclusions:

  • Working memory plays a causal role in two-person coordination.
  • These findings challenge the notion that social alignment is domain-specific and independent of executive control in adults.