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- W3014940227 endingPage "976.e4" @default.
- W3014940227 startingPage "963" @default.
- W3014940227 abstract "During associative conditioning, animals learn which sensory cues are predictive for positive or negative conditions. Because sensory cues are encoded by distributed neurons, one has to monitor plasticity across many synapses to capture how learned information is encoded. We analyzed synaptic boutons of Kenyon cells of the Drosophila mushroom body γ lobe, a brain structure that mediates olfactory learning. A fluorescent Ca2+ sensor was expressed in single Kenyon cells so that axonal boutons could be assigned to distinct cells and Ca2+ could be measured across many animals. Learning induced directed synaptic plasticity in specific compartments along the axons. Moreover, we show that odor-evoked Ca2+ dynamics across boutons decorrelate as a result of associative learning. Information theory indicates that learning renders the stimulus representation more distinct compared with naive stimuli. These data reveal that synaptic boutons rather than cells act as individually modifiable units, and coherence among them is a memory-encoding parameter." @default.
- W3014940227 created "2020-04-10" @default.
- W3014940227 creator A5031680430 @default.
- W3014940227 creator A5032108125 @default.
- W3014940227 creator A5060308375 @default.
- W3014940227 creator A5067862387 @default.
- W3014940227 creator A5077372999 @default.
- W3014940227 date "2020-06-01" @default.
- W3014940227 modified "2023-10-13" @default.
- W3014940227 title "Visualization of a Distributed Synaptic Memory Code in the Drosophila Brain" @default.
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