title: Newborn chicks need no number tricks. Commentary: Number-space mapping in the newborn chick resembles humans' mental number line.
authors: Department of Behavioral Sciences, Ariel University Ariel, Israel.
authors: Samuel
authors: S
authors: Shaki
authors: Division of Cognitive Sciences, University of Potsdam Potsdam, Germany.
authors: Martin H
authors: MH
authors: Fischer
keywords: innate number sense; mental number line; numerical cognition; spatial cognition; spatial numerical associations