期刊
SCIENCE
卷 311, 期 5760, 页码 518-522出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1120847
关键词
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资金
- Biotechnology and Biological Sciences Research Council [S19133] Funding Source: Medline
- Biotechnology and Biological Sciences Research Council [S19133] Funding Source: researchfish
How do animals discriminate self-generated from external stimuli during behavior and prevent desensitization of their sensory pathways? A fundamental concept in neuroscience states that neural signals, termed corollary discharges or efference copies, are forwarded from motor to sensory areas. Neurons mediating these signals have proved difficult to identify. We show that a single, multisegmental interneuron is responsible for the pre- and postsynaptic inhibition of auditory neurons in singing crickets (Gryllus bimaculatus). Therefore, this neuron represents a corollary discharge interneuron that provides a neuronal basis for the central control of sensory responses.
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