Definitions
J. H. Flavell first used the word "metacognition". He describes it in these words:
Metacognition refers to one’s knowledge concerning one's own cognitive processes or anything related to them, e.g., the learning-relevant properties of information or data. For example, I am engaging in metacognition if I notice that I am having more trouble learning A than B; if it strikes me that I should double check C before accepting it as fact. —J. H. Flavell (1976, p. 232).A. Demetriou, in his theory, one of the neo-Piagetian theories of cognitive development, used the term hypercognition to refer to self-monitoring, self-representation, and self-regulation processes, which are regarded as integral components of the human mind. Moreover, with his colleagues, he showed that these processes participate in general intelligence, together with processing efficiency and reasoning, which have traditionally been considered to compose fluid intelligence.
Different fields define metacognition very differently. Metacognition variously refers to the study of memory-monitoring and self-regulation, meta-reasoning, consciousness/awareness and auto-consciousness/self-awareness. In practice these capacities are used to regulate one's own cognition, to maximize one's potential to think, learn and to the evaluation of proper ethical/moral rules.
In the domain of experimental psychology, an influential distinction in metacognition (proposed by T. O. Nelson & L. Narens) is between Monitoring—making judgments about the strength of one's memories—and Control—using those judgments to guide behavior (in particular, to guide study choices). Dunlosky, Serra, and Baker (2007) covered this distinction in a recent review of metamemory research that focused on how findings from this domain can be applied to other areas of applied research.
In the domain of cognitive neuroscience, metacognitive monitoring and control has been viewed as a function of the prefrontal cortex, which receives (monitors) sensory signals from other cortical regions and through feedback loops implements control (see chapters by Schwartz & Bacon and Shimamura, in Dunlosky & Bjork, 2008).
Metacognition is studied in the domain of artificial intelligence and modelling. Therefore, it is the domain of interest of emergent systemics. It has been used, albeit off the original definition, to describe one's own knowledge that we will die. Writers in the 1990s involved with the musical "grunge" scene often used the term to describe self-awareness of mortality.
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