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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]

Ageing has effects both on language and gestural communication skills. Although gesture use is similar between younger and older adults, the use of representational gestures (e.g., drawing a line with fingers on the air to indicate a road) decreases with age. This study investigates whether this change in the production of representational gestures is related to individuals' working memory and/or mental imagery skills. We used three gesture tasks (daily activity description, story completion, and address description) to obtain spontaneous co-speech gestures from younger and older individuals (N = 60). Participants also completed the Corsi working memory task and a mental imagery task. Results showed that although the two age groups' overall gesture frequencies were similar across the three tasks, the younger adults used relatively higher proportions of representational gestures than the older adults only in the address description task. Regardless of age, the mental imagery but not working memory score was associated with the use of representational gestures only in this task. However, the use of spatial words in the address description task did not differ between the two age groups. The mental imagery or working memory scores did not associate with the spatial word use. These findings suggest that mental imagery can play a role in gesture production. Gesture and speech production might have separate timelines in terms of being affected by the ageing process, particularly for spatial content. [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]

Bilinguals tend to produce more co-speech hand gestures to compensate for reduced communicative proficiency when speaking in their L2. We here investigated L1-Turkish and L2-English speakers' gesture use in an emotional context. We specifically asked whether and how (1) speakers gestured differently while retelling L1 versus L2 and positive versus negative narratives and (2) gesture production during retellings was associated with speakers' later subjective emotional intensity ratings of those narratives. We asked 22 participants to read and then retell eight emotion-laden narratives (half positive, half negative; half Turkish, half English). We analysed gesture frequency during the entire retelling and during emotional speech only (i.e., gestures that co-occur with emotional phrases such as "happy"). Our results showed that participants produced more representational gestures in L2 than in L1; however, they used more representational gestures during emotional content in L1 than in L2. Participants also produced more co-emotional speech gestures when retelling negative than positive narratives, regardless of language, and more beat gestures co-occurring with emotional speech in negative narratives in L1. Furthermore, using more gestures when retelling a narrative was associated with increased emotional intensity ratings for narratives. Overall, these findings suggest that (1) bilinguals might use representational gestures to compensate for reduced linguistic proficiency in their L2, (2) speakers use more gestures to express negative emotional information, particularly during emotional speech, and (3) gesture production may enhance the encoding of emotional information, which subsequently leads to the intensification of emotion perception. [ABSTRACT FROM AUTHOR]

Relational terms (e.g., verbs and prepositions) are the cornerstone of language development, bringing together two distinct fields: linguistic theory and infants' event processing. To acquire relational terms such as run, walk, in, and on, infants must first perceive and conceptualize components of dynamic events such as containment-support, path-manner, source-goal, and figure-ground. Infants must then uncover how the particular language they are learning encodes these constructs. This review addresses the interaction of language learning with infants' conceptualization of these nonlinguistic spatial event components. We present the thesis that infants start with language-general nonlinguistic constructs that are gradually refined and tuned to the requirements of their native language. In effect, infants are trading spaces, maintaining their sensitivity to some relational distinctions while dampening other distinctions, depending on how their native language expresses these constructs. [ABSTRACT FROM AUTHOR]

People with different hand preferences assign positive and negative emotions to different sides of their bodies and produce co-speech gestures with their dominant hand when the content is positive. In this study, we investigated this side preference by handedness in both gesture comprehension and production. Participants watched faceless gesture videos with negative and positive content on eye tracker and were asked to retell the stories after each video. Results indicated no difference in looking preferences regarding being right- or left-handed. Yet, an effect of emotional valence was observed. Participants spent more time looking to the right (actor's left) when the information was positive and to the left (actor's right) when the information was negative. Participants' retelling of stories revealed a handedness effect only for different types of gestures (representational vs beat). Individuals used their dominant hands for beat gestures. For representational gestures, while the right-handers used their right hands more, the left-handers gestured using both hands equally. Overall, the lack of significant difference between handedness and emotional content in both comprehension and production levels suggests that body-specific mental representations may not extend to the conversational level. [ABSTRACT FROM AUTHOR]