2022
DOI: 10.1111/ejn.15631
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Abstract: Fractal geometry has recently been proposed as a useful tool for characterizing the complexity of the brain cortex, which is likely to derive from the recurrence of sulci-gyri convolution patterns. The index used to describe the cortical complexity is called fractal dimensional (FD) and was employed by different research exploring the neurobiological correlates of distinct pathological and nonpathological conditions. This review aims to describe the literature on the application of this index, summarize the he… Show more

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Cited by 12 publications
(18 citation statements)
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References 81 publications
(195 reference statements)
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“…In particular, previous studies exploring FD in neurological disorders point toward the idea that a decrease in FD is associated with brain damage, yielding gray matter [ 30 , 61 , 62 , 63 , 64 ], and few investigations show an increase of this measure in pathological conditions [ 30 ]. Our findings of decreased FD in chess experts in right 7 m, right PF, left 8 bm, and left PFt suggest that reductions in FD in healthy subjects are not related to gray or white matter lesions, but can result from long-term and intense training that yields the refinement of association neural circuits via selective synaptogenesis and synaptic pruning.…”
Section: Discussionmentioning
confidence: 99%
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“…In particular, previous studies exploring FD in neurological disorders point toward the idea that a decrease in FD is associated with brain damage, yielding gray matter [ 30 , 61 , 62 , 63 , 64 ], and few investigations show an increase of this measure in pathological conditions [ 30 ]. Our findings of decreased FD in chess experts in right 7 m, right PF, left 8 bm, and left PFt suggest that reductions in FD in healthy subjects are not related to gray or white matter lesions, but can result from long-term and intense training that yields the refinement of association neural circuits via selective synaptogenesis and synaptic pruning.…”
Section: Discussionmentioning
confidence: 99%
“…In particular, chess expertise is associated with differences in FD in a set of transmodal association late-maturing regions that undergo structural and functional changes until early adulthood [ 44 ]. Indeed, FD, unlike GI, is likely to change in response to cognitive demands throughout life [ 25 , 26 , 27 , 30 , 65 ], and its changes can contribute to the performance of complex cognitive behaviors, including chess expertise. However, more research is needed to assess whether FD can be a reliable method to investigate cortical changes related to expertise.…”
Section: Discussionmentioning
confidence: 99%
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