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cognitive flexibility
Cognitive flexibility has been described as the mental ability to switch between thinking about two different concepts, and to think about multiple concepts simultaneously. Despite some disagreement in the literature about how to operationally define the term, one commonality is that cognitive flexibility is a component of executive functioning. Research has primarily been conducted with children at the school age; however, individual differences in cognitive flexibility are apparent across the lifespan. Measures for cognitive flexibility include the A-not-B task, Dimensional Change Card Sorting Task, Multiple Classification Card Sorting Task, Wisconsin Card Sorting Task, and the Stroop Test. Functional Magnetic Resonance Imaging (fMRI) research has shown that specific brain regions are activated when a person engages in cognitive flexibility tasks. These regions include the prefrontal cortex (PFC), basal ganglia, anterior cingulate cortex (ACC), and posterior parietal cortex (PPC). Studies conducted with people of various ages and with particular deficits have further informed how cognitive flexibility develops and changes within the brain. Cognitive flexibility also has implications both inside and outside of the classroom. A person’s ability to switch between modes of thought and to simultaneously think about multiple concepts has been shown to be a vital component of learning.
==Definitions==
Cognitive flexibility can be seen from a variety of viewpoints. A synthesized research definition of cognitive flexibility is a switch in thinking, whether that is specifically based on a switch in rules or broadly based on a need to switch one’s previous beliefs or thoughts to new situations. Moreover, it refers to simultaneously considering multiple aspects of thought at once, whether they be two aspects of a specific object, or many aspects of a complex situation. Other terms for cognitive flexibility include mental flexibility, mental set shifting, cognitive shifting, task switching/shifting, and attention switching/shifting.
Most commonly, cognitive flexibility refers to the mental ability to adjust thinking or attention in response to changing goals and/or environmental stimuli.〔 Researchers have more specifically described cognitive flexibility as the capacity to shift or switch one’s thinking and attention between different tasks or operations typically in response to a change in rules or demands. For example, when sorting cards based on specific rules, children are considered cognitively flexible if they are able to successfully switch from sorting cards based on the color of the object to sorting based on the type of object on the card.
Cognitive flexibility has been more broadly a described as the ability to adjust one’s thinking from old situations to new situations as well as the ability to overcome responses or thinking that have become habitual and adapt to new situations. As such, if one is able to overcome previously held beliefs or habits (when it is required for new situations) then they would be considered cognitively flexible. Lastly, the ability to simultaneously consider two aspects of an object, idea, or situation at one point in time refers to cognitive flexibility. According to this definition, when sorting cards based on specific rules, children are considered cognitively flexible if they can sort cards based on the color of the objects and type of objects on the card simultaneously. Similarly, cognitive flexibility has been defined as having the understanding and awareness of all possible options and alternatives simultaneously within any given situation.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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