On the homogeneity and heterogeneity of cortical thickness profiles in Homo sapiens sapiens

Koten, Jan-Willem; Schüppen, André; Morozova, Maria; Lehofer, Agnes; Koschutnig, Karl; Wood, Guilherme

doi:10.1038/s41598-017-17154-y

Cited by 2 publications

(1 citation statement)

References 30 publications

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“…Another example of this deficiency it is unclear whether the ipsilateral or contralateral primary motor cortex is involved in head rotation to the right or to the left 24 . It is still worth make it clear that the thickness of the motor homunculus is heterogeneous among humans, thus suggesting a capacity for individual improvement 25 .…”

Section: Resultsmentioning

confidence: 99%

Brain activity corresponding to swallowing and hands activity: narrative review

Leão,

Lobo Neto,

Gonçalves

et al. 2024

Rev Neurocienc

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Objective. To analyse the relationship between the level of brain activity during the hand motor act and swallowing in studies that used Functional Magnetic Resonance Imaging (FMRI). Method. A narrative literature review was carried out, and the data sources were obtained from Pubmed, BVS, and Google Scholar platforms. Results. Few studies were found that investigated the neurological activation correlated to the movement of hands and swallowing through FMRI, but all studies show a topographic relationship between the main areas for activity of hands and swallowing, as well as some studies showing some neurofunctional relationship between both concurrent activities. Conclusion. It is known that the precentral gyrus has significant areas innervating the hands and oral cavity, which are in nearby areas, being subject to questions about function interactions. The findings already described may encourage studies and discussions, but more research is needed to describe and measure the relationship between the motor areas of the hands and swallowing.

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Section: Resultsmentioning

confidence: 99%

Brain activity corresponding to swallowing and hands activity: narrative review

Leão,

Lobo Neto,

Gonçalves

et al. 2024

Rev Neurocienc

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Temporal Interactions between Maintenance of Cerebral Cortex Thickness and Physical Activity from an Individual Person Micro-Longitudinal Perspective and Implications for Precision Medicine

Wall,

Xie,

Wang

2024

JPM

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Maintenance of brain structure is essential for neurocognitive health. Precision medicine has interests in understanding how maintenance of an individual person’s brain, including cerebral cortical structure, interacts with lifestyle factors like physical activity. Cortical structure, including cortical thickness, has recognized relationships with physical activity, but concepts of these relationships come from group, not individual, focused findings. Whether or how group-focused concepts apply to an individual person is fundamental to precision medicine interests but remains unclear. This issue was studied in a healthy man using concurrent micro-longitudinal tracking of magnetic resonance imaging-defined cortical thickness and accelerometer-defined steps/day over six months. These data permitted detailed examination of temporal relationships between thickness maintenance and physical activity at an individual level. Regression analyses revealed graded significant and trend-level temporal interactions between preceding activity vs. subsequent thickness maintenance and between preceding thickness maintenance vs. subsequent activity. Interactions were bidirectional, delayed/prolonged over days/weeks, positive, bilateral, directionally asymmetric, and limited in strength. These novel individual-focused findings in some ways are predicted, but in other ways remain unaddressed or undetected, by group-focused work. We suggest that individual-focused concepts of temporal interactions between maintenance of cortical structure and activity can provide needed new insight for personalized tailoring of physical activity, cortical, and neurocognitive health.

show abstract

On the homogeneity and heterogeneity of cortical thickness profiles in Homo sapiens sapiens

Cited by 2 publications

References 30 publications

Brain activity corresponding to swallowing and hands activity: narrative review

Brain activity corresponding to swallowing and hands activity: narrative review

Temporal Interactions between Maintenance of Cerebral Cortex Thickness and Physical Activity from an Individual Person Micro-Longitudinal Perspective and Implications for Precision Medicine

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