How Preterm Birth Affects Brain Processing in Mice
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
Hypothesis
How does preterm birth impact cognitive and sensory processing circuits in adult mice?
Conclusion
Preterm-born mice show impaired cognitive processing and do not benefit from environmental enrichment interventions.
Supporting Evidence
- Preterm mice commit more errors in a visual discrimination task.
- Neurons in the visual cortex and prefrontal cortex are hyper-responsive to rewards in preterm mice.
- Environmental enrichment did not improve performance in preterm mice.
Takeaway
Mice born early have trouble learning and processing rewards, and making their environment better doesn't help them improve.
Methodology
Adult preterm mice were trained on a visual discrimination task, and in vivo electrophysiology was used to assess neuronal responses.
Limitations
The study may not fully capture the complexity of cognitive processing in humans born preterm.
Participant Demographics
Adult preterm-born mice.
Digital Object Identifier (DOI)
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