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Neuroplasticity01:01

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Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.

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Related Experiment Video

Updated: Jun 16, 2026

Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms
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Endophenotypes in a dynamically connected brain.

D J A Smit1, M Boersma, C E M van Beijsterveldt

  • 1Biological Psychology, VU University Amsterdam, Amsterdam, The Netherlands. dja.smit@psy.vu.nl

Behavior Genetics
|January 30, 2010
PubMed
Summary
This summary is machine-generated.

Brain connectivity patterns, including synchronization likelihood (SL), clustering coefficient (CC), and average path length (L), show significant heritability across development. Alpha band connectivity is particularly stable and may serve as a valuable endophenotype.

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Area of Science:

  • Neuroscience
  • Behavioral Genetics
  • Developmental Psychology

Background:

  • Functional brain connectivity is crucial for cognitive processes.
  • Understanding its developmental trajectory and genetic underpinnings is essential.
  • Previous research has explored various connectivity metrics, but longitudinal genetic studies are less common.

Purpose of the Study:

  • To investigate the longitudinal genetic architecture of functional brain connectivity parameters.
  • To examine the developmental changes in synchronization likelihood (SL), clustering coefficient (CC), and average path length (L).
  • To assess the heritability and genetic stability of these connectivity measures across different age groups.

Main Methods:

  • Resting-state electroencephalography (EEG) data were collected from 1,438 individuals across four age groups (approx. 16, 18, 25, and 50 years).
  • Functional connectivity was quantified using synchronization likelihood (SL), clustering coefficient (CC), and average path length (L).
  • Longitudinal genetic analyses were performed to estimate heritability and genetic overlap.

Main Results:

  • Developmental curves revealed that connectivity is more random in adolescence and old age, and more structured in middle-aged adulthood.
  • Individual differences in SL and L were moderately to highly heritable (SL: 40-82%; L: 29-63%) across all ages.
  • Alpha band connectivity (SL, CC, L) demonstrated high phenotypic and genetic stability from 16 to 25 years, suggesting it as a potential endophenotype.

Conclusions:

  • Functional brain connectivity parameters, particularly in the alpha band, exhibit significant heritability and developmental stability.
  • These findings highlight the genetic influence on brain network organization throughout development.
  • Connectivity parameters SL, CC, and L in the alpha band show promise as endophenotypes for behavioral and developmental disorders.