Prelimbic and Infralimbic Prefrontal Cortex Interact during Fast Network Oscillations
2008

Interaction of Prelimbic and Infralimbic Cortex during Fast Network Oscillations

Sample size: 12 publication Evidence: moderate

Author Information

Author(s): van Aerde, Karlijn I., Heistek, Tim S., Mansvelder, Huibert D.

Primary Institution: Center for Neurogenomics and Cognitive Research, VU University Amsterdam

Hypothesis

Do the prelimbic and infralimbic cortices interact during fast network oscillations?

Conclusion

The study found that while the prelimbic and infralimbic cortices can sustain fast network oscillations independently, they do interact during these oscillations.

Supporting Evidence

  • Fast network oscillations in the infralimbic cortex occur at higher frequencies and with higher power than in the prelimbic cortex.
  • The difference in oscillation frequency disappears when the two areas are disconnected.
  • Neuronal networks of prelimbic and infralimbic cortex can sustain fast network oscillations independent of each other.

Takeaway

The brain has two areas that help with thinking, and they can work alone or together. When they are together, they can help each other think better.

Methodology

The study used acute brain slices from rats and induced fast network oscillations using carbachol while recording neuronal activity.

Limitations

The variation in oscillation power could mask differences in oscillation frequency when the cortices are disconnected.

Participant Demographics

P14–28 Wistar rats were used for the experiments.

Statistical Information

P-Value

0.02

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0002725

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