article_snippet: Just as with humans, the same stimulus does not always provoke the same response, even from the same individual.
article_snippet: In humans, the research may suggest ways in which our brains process competing motivations. '
article_snippet: Scaled up to account for the more nuanced behaviours of humans, the research may suggest ways in which our brains process competing motivations. '
highlights_snippet: Even the same individual did not always have the same response .
  