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Neurogenesis and Regeneration of Nervous Tissue01:15

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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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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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Updated: Jun 2, 2026

Perspectives on Neuroscience
26:41

Perspectives on Neuroscience

Published on: July 31, 2007

Neuroscience in recession?

Susan G Amara1, Sten Grillner, Tom Insel

  • 1Department of Neurobiology, University of Pittsburgh School of Medicine, and the Center for Neuroscience at the University of Pittsburgh, Biomedical Science Tower 3, 6th Floor, Room 6057, 3501 Fifth Avenue, Pittsburgh, Pennsylvania 15260, USA. amaras@pitt.edu

Nature Reviews. Neuroscience
|April 21, 2011
PubMed
Summary
This summary is machine-generated.

The global financial downturn impacts neuroscience research funding, careers, and morale worldwide. Leading neuroscientists offer insights into regional effects and future optimism for the field.

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Area of Science:

  • Neuroscience
  • Economic Impact on Science

Background:

  • The global financial crisis presents challenges to scientific research and careers.
  • Understanding the specific effects on the neuroscience community is crucial.

Approach:

  • Surveyed leading neuroscientists globally, including presidents of major neuroscience societies and the Director of the US National Institute of Mental Health.
  • Gathered expert opinions on the impact of the economic downturn on neuroscience funding, career prospects, international collaborations, and morale.

Key Points:

  • Financial downturn affects individual neuroscientists and research institutions.
  • Impacts vary regionally, influencing funding, career trajectories, and collaborative efforts.
  • Scientists' morale is a significant concern amidst economic uncertainty.

Conclusions:

  • The global economic crisis has tangible effects on neuroscience research infrastructure and personnel.
  • Despite challenges, there are reasons for optimism regarding the future of neuroscience.
  • International perspectives highlight the need for adaptive strategies in scientific research funding and support.