Neuromorphic tissues: Soft biomolecular networks for brain-inspired temporal computing
Brains achieve extraordinary efficiency in processing temporal information through dense interconnectivity and recurrent feedback among neurons. Inspired by this principle, we introduce neuromorphic tissues-soft biomolecular networks comprising cell-sized aqueous compartments interconnected by lipid membranes containing voltage-gated ion channels. When a compartment is electrically stimulated by current injection, the membranes separating it from neighboring compartments polarize until channel activation occurs, transiently transforming the interface into a conductive synapse that couples adjacent nodes. These dynamics generate intrinsic physical recurrence, enabling the network to encode, propagate, and reconstruct time-dependent signals without external feedback circuitry. Experiments and modeling demonstrate nonlinear, fading-memory, and recurrent dynamics characteristic of reservoir computing, enabling accurate prediction of nonlinear and chaotic sequences such as NARMA-10 and the Lorenz attractor. This work suggests that spatial interconnectivity can enhance the computational capabilities of physical reservoirs and highlights soft, self-assembled materials as a promising platform for implementing such interconnected systems.
Authors
- Ahmed S. Mohamed (ORCID: https://orcid.org/0000-0002-8817-2266)
- Md Sakib Hasan (ORCID: https://orcid.org/0000-0002-4792-6236)
- Joseph S. Najem (ORCID: https://orcid.org/0000-0001-9687-886X)
- Nicholas X. Armendarez (ORCID: https://orcid.org/0000-0001-6364-598X)
Institutions
- Pennsylvania State University (US)
- University of Mississippi (US)
Publication Details
- Journal
- Science Advances
- Published
- 2026-07-23
- DOI
- https://doi.org/10.1126/sciadv.aed0971
- Primary Topic
- Neural Networks and Reservoir Computing
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- National Science Foundation
- Army Research Office