Comment on "single-trial spike trains in parietal cortex reveal discrete steps during decision-making"

Michael N. Shadlen, Roozbeh Kiani, William T. Newsome, Joshua I. Gold, Daniel M. Wolpert, Ariel Zylberberg, Jochen Ditterich, Victor De Lafuente, Tianming Yang, Jamie Roitman

Research output: Contribution to journalReview article

Abstract

Latimer et al. (Reports, 10 July 2015, p. 184) claim that during perceptual decision formation, parietal neurons undergo one-time, discrete steps in firing rate instead of gradual changes that represent the accumulation of evidence. However, that conclusion rests on unsubstantiated assumptions about the time window of evidence accumulation, and their stepping model cannot explain existing data as effectively as evidenceaccumulation models.

Original languageEnglish (US)
Article number1406-b
JournalScience
Volume351
Issue number6280
DOIs
StatePublished - Mar 25 2016

ASJC Scopus subject areas

  • General

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