ArticleScientific reports2017
The cellular and circuit basis for evolutionary change in sensory perception in mormyrid fishes.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 19 citations in OpenAlex.
- Developmental and evolutionary changes in sensorimotor integration to maintain coordination of corollary discharge and afferent input in electric fish.Current biology : CB · 2026Article
- Evolution of neural circuitry and cognition.Biology letters · 2024Review
- Neuroendocrine mechanisms contributing to the coevolution of sociality and communication.Frontiers in neuroendocrinology · 2023Review
- Spike timing-dependent plasticity alters electrosensory neuron synaptic strength in vitro but does not consistently predict changes in sensory tuning in vivo.Journal of neurophysiology · 2023Article
- Article
- Neural basis of acoustic species recognition in a cryptic species complex.The Journal of experimental biology · 2021Article
- Neural divergence and hybrid disruption between ecologically isolatedProceedings of the National Academy of Sciences of the United States of America · 2021Article
- Signal Diversification Is Associated with Corollary Discharge Evolution in Weakly Electric Fish.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2020Article
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
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Abstract
Species differences in perception have been linked to divergence in gross neuroanatomical features of sensory pathways. The anatomical and physiological basis of evolutionary change in sensory processing at cellular and circuit levels, however, is poorly understood. Here, we show how specific changes to a sensory microcircuit are associated with the evolution of a novel perceptual ability. In mormyrid fishes, the ability to detect variation in electric communication signals is correlated with an enlargement of the midbrain exterolateral nucleus (EL), and a differentiation into separate anterior (ELa) and posterior (ELp) regions. We show that the same cell types and connectivity are found in both EL and ELa/ELp. The evolution of ELa/ELp, and the concomitant ability to detect signal variation, is associated with a lengthening of incoming hindbrain axons to form delay lines, allowing for fine temporal analysis of signals. The enlargement of this brain region is also likely due to an overall increase in cell numbers, which would allow for processing of a wider range of timing information.
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