期刊
ANNUAL REVIEW OF NEUROSCIENCE, VOL 44, 2021
卷 44, 期 -, 页码 403-424出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev-neuro-120320-082744
关键词
neural coding; neural computation; correlations
资金
- CNRS through Unite Mixte de Recherche (UMR) 8023
- Swiss National Science Foundation Sinergia Project [CRSII5_173728]
- National Institutes of Health [EY028111, EY028542]
- Swiss National Science Foundation (SNF) [CRSII5_173728] Funding Source: Swiss National Science Foundation (SNF)
Neurons in the brain represent information through their collective activity, and the fidelity of neural population code depends on how variability in neuron responses is shared. Two decades of studies have shown the importance of noise correlations in neural coding, with theoretical developments and new approaches providing valuable insights. A geometrical picture of how noise correlations impact the neural code is emphasized in this review.
Neurons in the brain represent information in their collective activity. The fidelity of this neural population code depends on whether and how variability in the response of one neuron is shared with other neurons. Two decades of studies have investigated the influence of these noise correlations on the properties of neural coding. We provide an overview of the theoretical developments on the topic. Using simple, qualitative, and general arguments, we discuss, categorize, and relate the various published results. We emphasize the relevance of the fine structure of noise correlation, and we present a new approach to the issue. Throughout this review, we emphasize a geometrical picture of how noise correlations impact the neural code.
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