• The development of prospective memory in children: An executive framework

      Mahy, Caitlin; Moses, Louis; Kliegel, Matthias (Elsevier, 2014)
      Existing literature on children's prospective memory has been reviewed. An executive framework for studies on prospective memory development has been suggested. This study proposes a developmental model of prospective memory. Prospective memory (PM), the ability to remember to carry out one's intentions in the future, is critical for children's daily functioning and their ability to become independent from caregivers. This review assesses the current state of research on children's prospective memory. Using an executive functioning framework the literature can be organized into studies examining four factors that influence PM. We discuss studies that have manipulated the nature of the intention, the content or length of the retention interval, the nature of the ongoing task, and the nature of the PM cue. Further, we propose a model that attempts to account for the development of PM across childhood based on advances in executive control. Finally, we suggest promising future directions for research.
    • The development of prospective memory in young schoolchildren: The impact of ongoing task absorption, cue salience, and cue centrality

      Kliegel, Matthias; Mahy, Caitlin E.V.; Voigt, Babett; Henry, Julie D.; Rendell, Peter G.; Aberle, Ingo (Elsevier, 2013)
      •9- and 10-year-olds outperformed 6- to 7-year-olds in event-based prospective memory. •Varying cue centrality, age effects only emerged with cues outside the center of attention. •Findings suggest developing executive control as cognitive mechanism. •Alternative conceptual explications are deeper encoding or changes in meta-memory. This study presents evidence that 9- and 10-year-old children outperform 6- and 7-year-old children on a measure of event-based prospective memory and that retrieval-based factors systematically influence performance and age differences. All experiments revealed significant age effects in prospective memory even after controlling for ongoing task performance. In addition, the provision of a less absorbing ongoing task (Experiment 1), higher cue salience (Experiment 2), and cues appearing in the center of attention (Experiment 3) were each associated with better performance. Of particular developmental importance was an age by cue centrality (in or outside of the center of attention) interaction that emerged in Experiment 3. Thus, age effects were restricted to prospective memory cues appearing outside of the center of attention, suggesting that the development of prospective memory across early school years may be modulated by whether a cue requires overt monitoring beyond the immediate attentional context. Because whether a cue is in or outside of the center of attention might determine the amount of executive control needed in a prospective memory task, findings suggest that developing executive control resources may drive prospective memory development across primary school age.
    • How and where: Theory-of-mind in the brain

      Mahy, Caitlin; Moses, Louis J.; Pfeifer, Jennifer H. (Elsevier, 2014)
      Neuroscience has the potential to address accounts of theory-of-mind acquisition. Review of the research on the neural basis of theory-of-mind in adults and children. Future research directions include microgenetic and training fMRI studies. Theory of mind (ToM) is a core topic in both social neuroscience and developmental psychology, yet theory and data from each field have only minimally constrained thinking in the other. The two fields might be fruitfully integrated, however, if social neuroscientists sought evidence directly relevant to current accounts of ToM development: modularity, simulation, executive, and theory theory accounts. Here we extend the distinct predictions made by each theory to the neural level, describe neuroimaging evidence that in principle would be relevant to testing each account, and discuss such evidence where it exists. We propose that it would be mutually beneficial for both fields if ToM neuroimaging studies focused more on integrating developmental accounts of ToM acquisition with neuroimaging approaches, and suggest ways this might be achieved.
    • These pretzels are going to make me thirsty tomorrow: Differential development of hot and cool episodic foresight in early childhood?

      Mahy, Caitlin; Grass, Julia; Wagner, Sarah; Kliegel, Matthias (Wiley, 2014)
      The current study examined 3‐ and 7‐year‐olds' performance on two types of episodic foresight tasks: A task that required ‘cool’ reasoning processes about the use of objects in future situations and a task that required ‘hot’ processes to inhibit a salient current physiological state in order to reason accurately about a future state. Results revealed that 7‐year‐olds outperformed 3‐year‐olds on the episodic foresight task that involved cool processes, but did not show age differences in performance on the task that involved hot processes. In fact, both 3‐ and 7‐year‐olds performed equally poorly on the task that required predicting a future physiological state that was in conflict with their current state. Further, performance on the two tasks was unrelated. We discuss the results in terms of differing developmental trajectories for episodic foresight tasks that differentially rely on hot and cool processes and the universal difficulties humans have with predicting later outcomes that conflict with current motivational states.