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Table of Contents: September 2009

This figure illustrates two contrasted epochs of sub-threshold (and sometimes spiking) responses that can be measured intracellularly in the primary visual cortex of a cat during presentation of a drifting grating (left, red trace) followed by the visuo-oculomotor exploration of a natural scene (right, blue trace). The corresponding dynamics of the membrane potential fluctuations exhibit long-range correlations for the low dimension periodic stimulus (the curtain). These correlations are strongly reduced when the visual system is driven by a natural scene (see El Boustani et al., doi:10.1371/journal.pcbi.1000519).

Image Credit: UNIC-CNRS

Editorials

Ten Simple Rules for Chairing a Scientific Session

Alex Bateman, Philip E. Bourne

Perspectives

Brief Overview of Bioinformatics Activities in Singapore

Frank Eisenhaber, Chee-Keong Kwoh, See-Kiong Ng, Wing-King Sung, Limsoon Wong

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  1. Correction: Brief Overview of Bioinformatics Activities in Singapore

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Statistical Use of Argonaute Expression and RISC Assembly in microRNA Target Identification

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Network-State Modulation of Power-Law Frequency-Scaling in Visual Cortical Neurons

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