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Sparse Spectro-Temporal Receptive Fields Based on Multi-Unit and High-Gamma Responses in Human Auditory Cortex

Fig 3

Generalized Linear Model (GLM) schematic.

Stimulus-state matrix (A) is convolved with the Poisson estimated STRF, and exponentially transformed to generate a Poisson counting process. The corresponding stimulus Log-Spectrogram shown in lower panel (B). Alternatively, the stimulus-state matrix is convolved with the Log-normal estimated STRF and generates an exponential transformed High-γ process. Either model can include feedback of the spike-count history. Representative sorted multi-unit clusters from the same LFP recording are shown in the bottom right insets.

Fig 3