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Related Experiment Video

Updated: Apr 12, 2026

Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
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Executive function.

John Talpos1, Mohammed Shoaib

  • 1Janssen R&D, Janssen Pharmaceutical Companies of Johnson & Johnson, Turnhoutseweg 30, 2340, Beerse, Belgium.

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|May 16, 2015
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Summary
This summary is machine-generated.

Rodent models effectively simulate human executive functions like attention set-shifting and reversal learning, aiding neuroscience research. However, these models show limitations in predicting cognitive enhancers for healthy individuals, suggesting a need for broader task batteries.

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Behavioral Pharmacology

Background:

  • Executive functions, including attention set-shifting and reversal learning, are crucial cognitive processes that can be modeled in rodents.
  • Rodent paradigms for executive function assessment have strong translational construct validity, aiding in understanding neurobiological substrates and neurotransmitter systems.

Purpose of the Study:

  • To review the literature on rodent models of executive function, specifically attention set-shifting and reversal learning.
  • To evaluate the utility of these models in distinguishing neurobiological substrates and neurotransmitter systems relevant to executive function.
  • To assess the effectiveness of current rodent paradigms as predictive preclinical models for cognitive enhancers, particularly for healthy subjects.

Main Methods:

  • Literature review focusing on attentional set-shifting tasks and reversal learning paradigms in rodents.
  • Analysis of studies investigating the roles of prefrontal cortex regions (medial and orbitofrontal) in these cognitive tasks.
  • Examination of the impact of neurotransmitter modulation (dopamine, serotonin, glutamate) on executive function in rodent models.

Main Results:

  • The medial prefrontal cortex is crucial for extradimensional shifts (adapting to new rules), while the orbitofrontal cortex is implicated in reversal learning.
  • Neurotransmitter systems like dopamine, serotonin, and glutamate significantly influence executive functions in rodents.
  • Current rodent paradigms, despite good translational validity, have limited predictive power for cognitive enhancers in healthy individuals.

Conclusions:

  • Rodent models provide valuable insights into the neurobiology of executive functions and their disruption in psychiatric disorders.
  • The effectiveness of these models for predicting cognitive enhancers in healthy subjects is limited.
  • A more diverse range of tasks is likely required to accurately model normal human executive function in rodents for effective drug development.