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Related Concept Videos

Neuroplasticity01:01

Neuroplasticity

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.
Human Genetics01:28

Human Genetics

Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
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Plasticity00:58

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Plasticity is the property where an object loses its elasticity and undergoes irreversible deformation, even after the deformation forces are eliminated. If a material deforms irreversibly without increasing stress or load, then this is called ideal plasticity. For example, when a force is applied to an aluminum rod, it changes its shape, but it does not return to its original shape once the force is removed. Plastic deformation or ductility is thus a permanent deformation or change in the...
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Genomic Imprinting and Inheritance

Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
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A Pipeline using Bilateral In Utero Electroporation to Interrogate Genetic Influences on Rodent Behavior
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Published on: May 21, 2020

Genes, plasticity and mental retardation.

Cyrille Vaillend1, Roseline Poirier, Serge Laroche

  • 1Centre National de la Recherche Scientifique, Laboratoire de Neurobiologie de l'Apprentissage, de la Mémoire et de la Communication, UMR 8620, Orsay, France. cyrille.vaillend@u-psud.fr

Behavioural Brain Research
|March 11, 2008
PubMed
Summary

Mental retardation (MR) genes impact brain plasticity and cognitive functions. Understanding these genes reveals mechanisms of neurodevelopment, synaptic organization, and network remodeling in both health and disease.

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Area of Science:

  • Neuroscience
  • Genetics
  • Developmental Biology

Background:

  • Brain plasticity is crucial for development, learning, and memory.
  • Mental retardation (MR) genes offer insights into brain plasticity and cognitive dysfunction.
  • Research on MR genes advances understanding of cellular and molecular mechanisms in the brain.

Purpose of the Study:

  • To review the role of mental retardation (MR) genes in brain plasticity.
  • To explore how MR genes influence neurodevelopmental programs and synaptic function.
  • To connect MR gene dysfunction to cognitive deficits and brain malformations.

Main Methods:

  • Literature review focusing on MR genes and brain plasticity.
  • Analysis of MR gene involvement in neurogenesis and neuronal migration.
  • Examination of MR gene impact on synaptic organization and activity-dependent plasticity.

Main Results:

  • MR genes fall into two groups: those affecting neurodevelopment/malformations and those altering synaptic plasticity.
  • MR genes are implicated in cytoskeletal dynamics, signal transduction, and gene regulation.
  • Specific MR genes play distinct roles in different cell types, brain regions, and developmental stages.

Conclusions:

  • MR genes are critical for understanding fundamental brain plasticity mechanisms.
  • Dysfunctional MR genes contribute to cognitive impairments and neurological disorders.
  • Studying MR genes enhances knowledge of both normal brain function and disease pathology.