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Spencer Smith

3 accepted papers

2024

Neuroformer: Multimodal and Multitask Generative Pretraining for Brain Data

ICLR 2024poster

State-of-the-art systems neuroscience experiments yield large-scale multimodal data, and these data sets require new tools for analysis. Inspired by the success of large pretrained models in vision and language domains, we reframe the analysis of large-scale, cellular-resolution neuronal spiking dat…

Cited by 13SourcePDFScholar
2020

Efficient Non-conjugate Gaussian Process Factor Models for Spike Count Data using Polynomial Approximations

ICML 2020poster

Gaussian Process Factor Analysis (GPFA) has been broadly applied to the problem of identifying smooth, low-dimensional temporal structure underlying large-scale neural recordings. However, spike trains are non-Gaussian, which motivates combining GPFA with discrete observation models for binned spike…

Cited by 23SourcePDFScholar
2020

Identifying signal and noise structure in neural population activity with Gaussian process factor models

NeurIPS 2020poster

Neural datasets often contain measurements of neural activity across multiple trials of a repeated stimulus or behavior. An important problem in the analysis of such datasets is to characterize systematic aspects of neural activity that carry information about the repeated stimulus or behavior of in…