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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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The brain is an integral component of the nervous system and serves as the center for processing sensory inputs, making decisions, and directing bodily actions. This complex organ is organized into three primary sections: the hindbrain, midbrain, and forebrain, each responsible for a range of vital functions.
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Some researchers suggest that altruism operates on empathy. Empathy is the capacity to understand another person’s perspective, to feel what he or she feels. An empathetic person makes an emotional connection with others and feels compelled to help (Batson, 1991). Empathy can be expressed in several ways, including cognitive, affective, and motor. 
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In the CNS, neurogenesis, the birth of new neurons from stem cells, is limited to the hippocampus in adults. In other regions of the brain and spinal cord, neurogenesis is almost non-existent due to inhibitory influences from neuroglia, especially oligodendrocytes, and the absence of growth-stimulating cues. The myelin produced by oligodendrocytes in the CNS inhibits neuronal regeneration. Furthermore, astrocytes proliferate rapidly after neuronal damage, forming scar tissue that physically...
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Related Experiment Video

Updated: Oct 30, 2025

Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping
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Human Brain Resilience: A Call to Action.

Alvaro Pascual-Leone1,2, David Bartres-Faz2,3

  • 1Department of Neurology, Harvard Medical School, Hinda and Arthur Marcus Institute for Aging Research and Deanna and Sidney Wolk Center for Memory Health at Hebrew SeniorLife, Boston, MA, USA.

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Resilience is a complex concept needing a standardized, person-centered metric. Developing an individual resilience index could predict health risks across a lifespan, especially highlighted by the COVID-19 pandemic.

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Area of Science:

  • Neuroscience
  • Psychology
  • Public Health

Background:

  • Resilience is currently a poorly defined concept with unclear factors influencing it.
  • The COVID-19 pandemic underscored the need for better understanding and measurement of resilience.

Purpose of the Study:

  • To advocate for defining resilience as a person-centered, multidimensional metric.
  • To propose integrating lifespan perspectives and diverse study designs to identify resilience markers.
  • To establish an individual resilience index as a vital sign for predicting health risks.

Main Methods:

  • Call for a multidimensional metric informed by a dynamic lifespan perspective.
  • Integration of observational and interventional experimental studies.
  • Identification of specific neural markers and correlated behavioral measures.

Main Results:

  • Current understanding of resilience is heterogeneous and lacks clear determinants, mechanisms, and outcomes.
  • A unified, person-centered metric is needed to quantify individual resilience.
  • An individual resilience index could serve as a predictive tool for health risks.

Conclusions:

  • Resilience requires a standardized, person-centered definition and measurement.
  • Future research should combine diverse methodologies to identify neural and behavioral correlates.
  • The ultimate goal is a vital sign for lifelong risk prediction against stressors.