Related Experiment Video
Updated: Jan 17, 2026
11:18
Closed-loop Neuro-robotic Experiments to Test Computational Properties of Neuronal Networks
Published on: March 2, 2015
10.8K
The Unusual Effectiveness of Evolution in Systems Neuroscience
Arkarup Banerjee1, Steven M Phelps2, Justus M Kebschull3,4,5,6
1School of Biological Sciences, Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA abanerjee@cshl.edu.
Cold Spring Harbor Perspectives in Biology
|September 22, 2025
Summary
Evolutionary systems neuroscience integrates evolution and neural circuits to understand how brain modifications drive new behaviors. This approach reveals deep homologies in neural mechanisms, explaining brain function and evolution.
Area of Science:
- Neuroscience
- Evolutionary Biology
- Systems Biology
Background:
- Evolution shapes neural circuits, preserving essential functions while allowing for novel behaviors.
- Modern technologies enable precise investigation of gene-circuit-behavior relationships.
- Understanding evolutionary pressures on neural systems is key to deciphering brain function.
Purpose of the Study:
- To advocate for evolutionary systems neuroscience as a unifying framework.
- To explore how evolutionary changes in neural circuits lead to behavioral innovation.
- To uncover deep homologies in neural mechanisms across species.
Main Methods:
- Comparative analysis of neural circuits across diverse species (e.g., insects, rodents).
- Investigating both convergent and divergent evolutionary patterns in neural systems.
- Integrating genetic, circuit, and behavioral data.
Main Results:
- Targeted circuit modifications drive behavioral innovation without compromising core functions.
- Evidence for deep homologies in neural mechanisms, analogous to conserved genetic toolkits in development.
- Convergent and divergent evolution reveal general computational principles and specific mechanisms.
Conclusions:
- Evolutionary systems neuroscience provides a powerful lens to understand brain evolution and function.
- This framework can reveal conserved neural mechanisms ('deep homologies') across diverse taxa.
- Insights extend beyond neuroscience to the broader study of complex adaptive systems.
Related Concept Videos
02:55The Evidence for Evolution
47.6K
Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
47.6K
01:20Evolutionary Psychology
942
Evolutionary psychology explores the origins of human behavior and mental processes by framing them within the context of natural selection, a theory famously propounded by Charles Darwin. This field asserts that many behaviors common across human societies — ranging from instinctive fear reactions to complex social interactions — arose as evolutionary adaptations. These adaptations enhanced the survival and reproductive success of our ancestors, thereby becoming embedded in the...
942
01:01Neuroplasticity
1.6K
Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
1.6K
01:23Propagation of Action Potentials
8.9K
The propagation of an action potential refers to the process by which a nerve impulse, or "action potential," travels along a neuron.
Neurons (nerve cells) have a resting membrane potential, with a slightly negative charge inside compared to outside. This is maintained by ion channels, such as sodium (Na+) and potassium (K+) channels, which control the flow of ions. When a stimulus, like a touch or a signal from another neuron, triggers the neuron, sodium channels open, allowing sodium ions to...
Neurons (nerve cells) have a resting membrane potential, with a slightly negative charge inside compared to outside. This is maintained by ion channels, such as sodium (Na+) and potassium (K+) channels, which control the flow of ions. When a stimulus, like a touch or a signal from another neuron, triggers the neuron, sodium channels open, allowing sodium ions to...
8.9K
02:35What is Evolutionary History?
42.9K
Scientists record evolutionary history by analyzing fossil, morphological, and genetic data. The fossil record documents the history of life on Earth and provides evidence for evolution. However, both fossil and living organisms offer evidence that outlines Earth’s evolutionary history.
42.9K
01:23Criticisms of the Evolutionary Perspective
338
In a study where individuals posing as strangers offered compliments and proposed casual sex to students, the responses differed significantly based on gender. Not a single woman accepted the proposal, while 70% of the men agreed. This outcome provides a useful scenario to explore through the lens of evolutionary psychology and social learning theory, highlighting the diverse perspectives on human sexual behaviors.
Evolutionary psychology provides one explanation for these findings, suggesting...
Evolutionary psychology provides one explanation for these findings, suggesting...
338