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Related Concept Videos

Cognitive Development During Adolescence01:18

Cognitive Development During Adolescence

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During adolescence, individuals experience significant cognitive development that enhances their understanding of others' emotions and thoughts, known as cognitive empathy. This period is marked by an increased ability to adapt to others' perspectives and a more nuanced understanding of others' mental states, a skill that is foundational for social problem-solving and conflict avoidance. The development of cognitive empathy relies heavily on the theory of mind — the...
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Revisionist Views of Adolescent and Adult Cognition01:24

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A revisionist approach to Jean Piaget's theory of cognitive development has brought new insights that challenge and reinterpret his established ideas. Piaget proposed that the formal operational stage, emerging in adolescence, represents the culmination of cognitive maturity. During this stage, individuals are said to develop abstract thinking, engage in systematic problem-solving, and show a form of egocentrism, believing others are as preoccupied with their behavior as they are...
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Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
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Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
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Post-adolescent developmental changes in cortical complexity.

Anca-Larisa Sandu1, Edouard Izard, Karsten Specht

  • 1Aberdeen Biomedical Imaging Centre, Lilian Sutton Building, University of Aberdeen, Foresterhill, AB25 2ZD Aberdeen, UK. anca.sandu-giuraniuc@abdn.ac.uk.

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Adults exhibit reduced brain complexity compared to adolescents, with significant differences observed across brain regions and genders. This study highlights age-related changes in cortical complexity and grey matter volume during post-adolescence.

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Area of Science:

  • Neuroscience
  • Developmental Neuroscience
  • Brain Imaging Analysis

Background:

  • Post-adolescence is a critical period for human brain maturation.
  • While volumetric and morphologic brain changes are well-studied, cortical complexity analysis in this age group remains underexplored.

Purpose of the Study:

  • To investigate age-related changes in cortical complexity and grey matter (GM) volume during post-adolescence.
  • To explore gender-specific differences in brain maturation markers.

Main Methods:

  • Structural brain magnetic resonance imaging (MRI) was used.
  • Cortical complexity (fractal dimension--FD), GM volume, and surface-area were measured in adolescents and young adults.
  • FD was calculated using box-counting and Minkowski-Bouligand methods.

Main Results:

  • Young adults showed significantly lower cortical complexity than adolescents across most brain regions and both genders.
  • Grey matter volume was generally smaller in adults compared to adolescents, with some gender-specific variations.
  • A significant positive correlation was found between fractal dimension and GM volume.

Conclusions:

  • Post-adolescence involves common cortical complexity changes in both genders, alongside region-specific and gender-specific alterations.
  • Observed sex differences in brain measurements may indicate gender-specific maturation delays in certain brain regions.
  • These findings suggest that functional roles of brain regions may influence gender differences in cognitive abilities.