Ion channel degeneracy, variability, and covariation in neuron and circuit resilience

JM Goaillard, E Marder - Annual review of neuroscience, 2021 - annualreviews.org
The large number of ion channels found in all nervous systems poses fundamental
questions concerning how the characteristic intrinsic properties of single neurons are …

Degeneracy in epilepsy: multiple routes to hyperexcitable brain circuits and their repair

TM Stöber, D Batulin, J Triesch, R Narayanan… - Communications …, 2023 - nature.com
Due to its complex and multifaceted nature, developing effective treatments for epilepsy is
still a major challenge. To deal with this complexity we introduce the concept of degeneracy …

Degeneracy and redundancy in active inference

N Sajid, T Parr, TM Hope, CJ Price, KJ Friston - Cerebral Cortex, 2020 - academic.oup.com
The notions of degeneracy and redundancy are important constructs in many areas, ranging
from genomics through to network science. Degeneracy finds a powerful role in …

Perturbation-specific responses by two neural circuits generating similar activity patterns

DJ Powell, E Marder, MP Nusbaum - Current Biology, 2021 - cell.com
A fundamental question in neuroscience is whether neuronal circuits with variable circuit
parameters that produce similar outputs respond comparably to equivalent perturbations. 1 …

Feeding state functionally reconfigures a sensory circuit to drive thermosensory behavioral plasticity

A Takeishi, J Yeon, N Harris, W Yang, P Sengupta - Elife, 2020 - elifesciences.org
Internal state alters sensory behaviors to optimize survival strategies. The neuronal
mechanisms underlying hunger-dependent behavioral plasticity are not fully characterized …

The Drosophila Larval Locomotor Circuit Provides a Model to Understand Neural Circuit Development and Function

I Hunter, B Coulson, AA Zarin… - Frontiers in Neural Circuits, 2021 - frontiersin.org
It is difficult to answer important questions in neuroscience, such as:“how do neural circuits
generate behaviour?,” because research is limited by the complexity and inaccessibility of …

Minimal requirements for a neuron to coregulate many properties and the implications for ion channel correlations and robustness

J Yang, H Shakil, S Ratté, SA Prescott - Elife, 2022 - elifesciences.org
Neurons regulate their excitability by adjusting their ion channel levels. Degeneracy–
achieving equivalent outcomes (excitability) using different solutions (channel combinations) …

Plasticity manifolds and degeneracy govern circadian oscillations of neuronal intrinsic properties in the suprachiasmatic nucleus

H Nagaraj, R Narayanan - Iscience, 2023 - cell.com
A heterogeneous neuronal population in the suprachiasmatic nucleus (SCN) sustains a cell-
autonomous code for circadian time, implemented by firing-rate plasticity involving multiple …

A central control circuit for encoding perceived food value

M Crossley, K Staras, G Kemenes - Science Advances, 2018 - science.org
Hunger state can substantially alter the perceived value of a stimulus, even to the extent that
the same sensory cue can trigger antagonistic behaviors. How the nervous system uses …

Multidimensional neural selectivity in the primate amygdala

PT Putnam, KM Gothard - ENeuro, 2019 - eneuro.org
The amygdala contributes to multiple functions including attention allocation, sensory
processing, decision-making, and the elaboration of emotional behaviors. The diversity of …