Adolescent-like Processing of Behaviorally Salient Cues in Sensory and Prefrontal Cortices of Adult Preterm-Born Mice
2024

Adolescent-like Processing of Cues in Adult Preterm-Born Mice

Sample size: 29 publication 10 minutes Evidence: high

Author Information

Author(s): Ribic Adema, McCoy Emily, Pendala Vyshnavi, Fariborzi Mona, Demir Lara, Buell Olivia, Fedde Samuel, Stinger Jacqueline, Elbaum Luciano, Holsworth Troy, Awude Philip Amenyo

Primary Institution: University of Virginia

Hypothesis

How does preterm birth impact the neural circuits that support cognitive and sensory processing?

Conclusion

Preterm mice show impaired performance in a visual discrimination task, with heightened responses to rewards and diminished responses to non-reward cues.

Supporting Evidence

  • Preterm mice commit more errors in a visual discrimination task compared to term mice.
  • Neurons in the visual cortex of preterm mice show heightened responses to rewarded cues.
  • Environmental enrichment did not improve cognitive performance in preterm mice.

Takeaway

Mice born early have trouble learning tasks and responding to cues, similar to how teenagers process rewards and mistakes.

Methodology

Adult preterm and term mice were trained on a visual discrimination task while their brain activity was recorded.

Potential Biases

Potential biases in interpreting animal models as direct analogs for human cognitive development.

Limitations

The study may not fully capture the complexity of cognitive processing in humans born preterm.

Participant Demographics

Adult mice aged 2-7 months, both male and female.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.21203/rs.3.rs-5529783

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