Engineered neuronal circuits: A new platform for studying the role of modular topology

Mark Shein-Idelson*, Eshel Ben-Jacob, Yael Hanein

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review


Neuron-glia cultures serve as a valuable model system for exploring the bio-molecular activity of single cells. Since neurons in culture can be conveniently recorded with great fidelity from many sites simultaneously, it has long been suggested that uniform cultured neurons may also be used to investigate network-level mechanisms pertinent to information processing, activity propagation, memory, and learning. But how much of the functionality of neural circuits can be retained in vitro remains an open question. Recent studies utilizing patterned networks suggest that they provide a most useful platform to address fundamental questions in neuroscience. Here we review recent efforts in the realm of patterned networks' activity investigations. We give a brief overview of the patterning methods and experimental approaches commonly employed in the field, and summarize the main results reported in the literature. The general picture that emerges from these reports indicates that patterned networks with uniform connectivity do not exhibit unique activity patterns. Rather, their activity is very similar to that of unpatterned uniform networks. However, by breaking the connectivity homogeneity, using a modular architecture, it is possible to introduce pronounced topology-related gating and delay effects. These findings suggest that patterned cultured networks may serve as a new platform for studying the role of modularity in neuronal circuits.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalFrontiers in Neuroengineering
Issue numberSEPTEMBER
StatePublished - Sep 2011


  • Carbon-nanotubes
  • Clusters
  • Electrical activity
  • Hierarchical networks
  • Modular networks
  • Neural engineering
  • Uniform networks


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