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Hebbian STDP in mushroom bodies facilitates the synchronous flow of olfactory information in locusts

Author

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  • Stijn Cassenaer

    (California Institute of Technology, 139-74, Pasadena, California 91125, USA)

  • Gilles Laurent

    (California Institute of Technology, 139-74, Pasadena, California 91125, USA)

Abstract

The memory of locusts Synaptic plasticity — the strengthening or weakening of connections between nerve cells — has been known in vertebrates to depend on whether inputs precede or follow a neuron's spiking, a phenomenon called 'spike timing-dependent plasticity' or STDP. Now Stijn Cassenaer and Gilles Laurent describe STDP for the first time in an invertebrate — the locust. Their in vivo study also shows that STDP is the key to the preservation of neural codes for olfactory information down the neuronal pathway linking sensory organs to memory centres in the brain. This finding sheds new light on the relationships between circuit dynamics, architecture and learning in the insect brain.

Suggested Citation

  • Stijn Cassenaer & Gilles Laurent, 2007. "Hebbian STDP in mushroom bodies facilitates the synchronous flow of olfactory information in locusts," Nature, Nature, vol. 448(7154), pages 709-713, August.
    • Handle: RePEc:nat:nature:v:448:y:2007:i:7154:d:10.1038_nature05973
    DOI: 10.1038/nature05973
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    Cited by:

    1. Sanjoy Dasgupta & Daisuke Hattori & Saket Navlakha, 2022. "A neural theory for counting memories," Nature Communications, Nature, vol. 13(1), pages 1-13, December.

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