PUBLICATION

Imaging of Neural Ensemble for the Retrieval of a Learned Behavioral Program

Authors
Aoki, T., Kinoshita, M., Aoki, R., Agetsuma, M., Aizawa, H., Yamazaki, M., Takahoko, M., Amo, R., Arata, A., Higashijima, S.I., Tsuboi, T., and Okamoto, H.
ID
ZDB-PUB-130611-30
Date
2013
Source
Neuron   78(5): 881-894 (Journal)
Registered Authors
Agetsuma, Masakazu, Aizawa, Hidenori, Aoki, Tazu, Higashijima, Shin-ichi, Okamoto, Hitoshi, Takahoko, Mikako
Keywords
none
MeSH Terms
  • Action Potentials/genetics
  • Animals
  • Animals, Genetically Modified
  • Avoidance Learning/physiology*
  • Biotin/metabolism
  • Brain/cytology
  • Brain/physiology*
  • Brain/surgery
  • Brain Mapping*
  • Calcium/metabolism
  • Calcium Signaling/genetics
  • Cues
  • ELAV Proteins/genetics
  • ELAV Proteins/metabolism
  • Electrolysis
  • Escape Reaction/physiology
  • Functional Laterality/genetics
  • Glutamate Decarboxylase/genetics
  • Glutamate Decarboxylase/metabolism
  • Mental Recall/physiology*
  • Neuroimaging
  • Neurons/physiology
  • Parvalbumins/metabolism
  • Patch-Clamp Techniques
  • Swimming/physiology
  • Time Factors
  • Vesicular Glutamate Transport Proteins/genetics
  • Vesicular Glutamate Transport Proteins/metabolism
  • Zebrafish
PubMed
23684786 Full text @ Neuron
Abstract

The encoding of long-term associative memories for learned behaviors is a fundamental brain function. Yet, how behavior is stably consolidated and retrieved in the vertebrate cortex is poorly understood. We trained zebrafish in aversive reinforcement learning and measured calcium signals across their entire brain during retrieval of the learned response. A discrete area of dorsal telencephalon that was inactive immediately after training became active the next day. Analysis of the identified area indicated that it was specific and essential for long-term memory retrieval and contained electrophysiological responses entrained to the learning stimulus. When the behavioral rule changed, a rapid spatial shift in the functional map across the telencephalon was observed. These results demonstrate that the retrieval of long-term memories for learned behaviors can be studied at the whole-brain scale in behaving zebrafish in vivo. Moreover, the findings indicate that consolidated memory traces can be rapidly modified during reinforcement learning.

Genes / Markers
Figures
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Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Antibodies
Orthology
Engineered Foreign Genes
Mapping