Converging on a core cognitive deficit

The impact of various neurodevelopmental insults on cognitive control

Kally C. O'Reilly, Hsin Yi Kao, Heekyung Lee, Andre Fenton

Research output: Contribution to journalArticle

Abstract

Despite substantial effort and immense need, the treatment options for major neuropsychiatric illnesses like schizophrenia are limited and largely ineffective at improving the most debilitating cognitive symptoms that are central to mental illness. These symptoms include cognitive control deficits, the inability to selectively use information that is currently relevant and ignore what is currently irrelevant. Contemporary attempts to accelerate progress are in part founded on an effort to reconceptualize neuropsychiatric illness as a disorder of neural development. This neuro-developmental framework emphasizes abnormal neural circuits on the one hand, and on the other, it suggests there are therapeutic opportunities to exploit the developmental processes of excitatory neuron pruning, inhibitory neuron proliferation, elaboration of myelination, and other circuit refinements that extend through adolescence and into early adulthood. We have crafted a preclinical research program aimed at cognition failures that may be relevant to mental illness. By working with a variety of neurodevelopmental rodent models, we strive to identify a common pathophysiology that underlies cognitive control failure as well as a common strategy for improving cognition in the face of neural circuit abnormalities. Here we review our work to characterize cognitive control deficits in rats with a neonatal ventral hippocampus lesion and rats that were exposed to Methylazoxymethanol acetate (MAM) in utero. We review our findings as they pertain to early developmental processes, including neurogenesis, as well as the power of cognitive experience to refine neural circuit function within the mature and maturing brain's cognitive circuitry.

Original languageEnglish (US)
Article numberArticle 153
JournalFrontiers in Neuroscience
Issue number8 JUN
DOIs
StatePublished - 2014

Fingerprint

Neurobehavioral Manifestations
Cognition
Methylazoxymethanol Acetate
Neurons
Neurogenesis
Rodentia
Hippocampus
Schizophrenia
Brain
Therapeutics
Research
Power (Psychology)

Keywords

  • Cognitive control
  • Hippocampus
  • Mental illness
  • Neural coordination
  • Neurodevelopmental insults
  • Schizophrenia models

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Converging on a core cognitive deficit : The impact of various neurodevelopmental insults on cognitive control. / O'Reilly, Kally C.; Kao, Hsin Yi; Lee, Heekyung; Fenton, Andre.

In: Frontiers in Neuroscience, No. 8 JUN, Article 153, 2014.

Research output: Contribution to journalArticle

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