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"The research team studied eight volunteers" -- Is that a large enough sample size to be drawing scientific conclusions?

• gregdetre 17y ago
  It looks like they were doing single-cell recording in humans. Almost certainly, these were epileptic patients being prepped for surgery, because that's almost the only time when scientists have access to data from invasive recording techniques. Ah, yes: "The subjects were nine patients who were evaluated for possible surgical treatment of epilepsy using implantation of depth electrodes." As a result, it's pretty typical to have small sample sizes like this. It's certainly possible to achieve statistical significance with this few subjects.