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Movement is governed by rotational neural dynamics in spinal motor networks
A study presents ensemble recordings of neurons in the lumbar spinal cord indicating that activity in spinal cord circuits for movement follows low-dimensional rotational dynamics, and proposes a theory of neural generation of movements.
- Henrik Lindén
- , Peter C. Petersen
- & Rune W. Berg
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Letter |
A novel excitatory network for the control of breathing
A novel rhythmogenic brainstem network was discovered in mice that is necessary and sufficient for generating postinspiration, a breathing phase also used for swallowing, coughing and vocalization.
- Tatiana M. Anderson
- , Alfredo J. Garcia
- & Jan-Marino Ramirez
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Letter |
Motor neurons control locomotor circuit function retrogradely via gap junctions
WebMotor neurons in zebrafish are shown to be more than simply output neurons, since they are able to influence, through gap junctions, the strength of the input they receive from V2a interneurons and, thereby, the frequency and duration of locomotor activity.
- Jianren Song
- , Konstantinos Ampatzis
- & Abdeljabbar El Manira
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Letter |
Dynamic sensory cues shape song structure in Drosophila
Drosophila male courtship songs were thought to have a fixed structure with song repetition variations introduced unintentionally because of neural noise; this behavioural assay and computational modelling study instead reveals that males use fast changes in sensory information to actively pattern individual song sequences.
- Philip Coen
- , Jan Clemens
- & Mala Murthy
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Letter |
Dual-mode operation of neuronal networks involved in left–right alternation
A group of transcriptionally defined spinal neurons, V0 neurons, are identified as necessary for the control of normal alternation of left and right limbs in mice.
- Adolfo E. Talpalar
- , Julien Bouvier
- & Ole Kiehn
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News |
Robotic roach creates order from chaos
Chaos theory eases the path of autonomous robots.
- Zeeya Merali