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Language about time is an integral part of how we spatialise time. Factors like temporal focus can be related to time spatialisation as well. The current study investigates the role of language in how we spatialise time, using a temporal diagram task modified to include the lateral axis. We asked participants to place temporal events provided in non-metaphorical, sagittal metaphorical, and non-sagittal metaphorical scenarios on a temporal diagram. We found that sagittal metaphors elicited sagittal spatialisations of time, whereas the other two types elicited lateral spatialisations. Participants sometimes used the sagittal and lateral axes in combination to spatialise time. Exploratory analyses indicated that individuals' time management habits, temporal distance, and event order in written scenarios were related to time spatialisations. Their temporal focus scores, however, were not. Findings suggest that temporal language plays an important role in how we map space onto time. [ABSTRACT FROM AUTHOR]

This study examined whether the metacognitive system monitors the potential positive effects of gestures on spatial thinking. Participants (N = 59, 31F, Mage = 21.67) performed a mental rotation task, consisting of 24 problems varying in difficulty, and they evaluated their confidence in their answers to problems in either gesture or control conditions. The results revealed that performance and confidence were higher in the gesture condition, in which the participants were asked to use their gestures during problem-solving, compared with the control condition, extending the literature by evidencing gestures' role in metacognition. Yet, the effect was only evident for females, who already performed worse than males, and when the problems were difficult. Encouraging gestures adversely affected performance and confidence in males. Such results suggest that gestures selectively influence cognition and metacognition and highlight the importance of task-related (i.e., difficulty) and individual-related variables (i.e., sex) in elucidating the links between gestures, confidence, and spatial thinking. [ABSTRACT FROM AUTHOR]