Knowledge Tree
adolescence
Facts (28)
Sources
Developing youth work: Chapter 5 - Beyond social education infed.org 10 facts
claimAdolescence is a product of particular historical circumstances rather than a universal condition.
claimDuring adolescence, the most prevalent problems differ from other age groups, with depression being the most common issue.
referenceThe concept of adolescence was expanded to explain 'precociousness' and 'antisocial' behavior by attributing these behaviors to the incompetence of working-class parents, who were claimed to have failed to provide correct affectionate and authoritarian control during this traumatic stage in life.
claimGeneralizations made about adolescence influence the understandings of social education.
quote“adolescence needs a theory, not of abnormality, but of normality”
claimEarly commentators successfully applied the ideology of adolescence to middle-class youth, but found it more difficult to apply to working-class traditions and cultures.
claimPsychological and sociological theories used in youth work have frequently characterized adolescence as a time of disturbance, storm, and stress.
claimThe transition from childhood to adulthood, which often includes a stage of youth or adolescence, is characterized by a shift from relationships of high dependency to relationships of greater independence.
claimSocial education theory in youth work is criticized for three assumptions: conceptualizing adolescence through problematic notions of 'growing up' and maturity, focusing too heavily on individuals and small groups while ignoring political contexts, and potential ethnocentrism and sexism in how the self is conceptualized.
referenceThe National Association of Youth Clubs (NAYC) argued that characterizing adolescence as a time of disturbance is empirically unsound and acts as a blockage to thinking about appropriate provision for young people.
Sleep Across the Lifespan: A Neurobehavioral Perspective link.springer.com Feb 5, 2025 8 facts
claimThe peak distribution of slow wave activity (SWA) travels across a posterior to anterior axis during development, reaching maximal amplitude shortly before puberty and decreasing during adolescence.
claimThe majority of studies regarding age-associated sleep patterns rely on cross-sectional or limited longitudinal designs, which fail to examine pattern changes within an individual or across specific age periods such as adolescence through middle adulthood.
referenceHahn MA, Heib D, Schabus M, Hoedlmoser K, and Helfrich RF published 'Slow oscillation-spindle coupling predicts enhanced memory formation from childhood to adolescence' in eLife in 2020.
referenceCampbell and Feinberg (2016) conducted a longitudinal study on the maturational patterns of sigma frequency power across childhood and adolescence, published in Sleep.
referenceRicci A, He F, Calhoun SL, Fang J, Vgontzas AN, Liao D, et al. published 'Sex and Pubertal differences in the Maturational Trajectories of Sleep Spindles in the transition from Childhood to Adolescence: a Population-based study' in eNeuro in 2021.
measurementDuring adolescence, spindle density reaches a relative maximum with an equal distribution across frontal, central, and parietal areas.
referenceTelzer et al. (2015) found that sleep variability in adolescence is associated with altered brain development.
referenceReynolds CM, Short MA, and Gradisar M published 'Sleep spindles and cognitive performance across adolescence: a meta-analytic review' in the Journal of Adolescence in 2018.
The Menstrual Cycle: How It Changes as You Age | Mount Sinai Today health.mountsinai.org Jun 30, 2022 4 facts
claimDuring early adolescence, a woman's menstrual cycle may be irregular as the pituitary gland and ovaries learn to coordinate to produce regular hormone levels.
claimIrregular menstruation after adolescence may be a sign of hormonal imbalances and warrants consultation with a doctor.
claimAdolescence is characterized by rapidly changing hormonal levels, and it can take several years for a menstrual cycle to become regular.
measurementAfter adolescence, a woman's menstrual cycle should typically last between 21 and 35 days, with the period lasting 3 to 7 days.
Extent and Health Consequences of Chronic Sleep Loss and ... - NCBI ncbi.nlm.nih.gov 2 facts
claimSleep-onset abnormalities during adolescence are associated with an increased risk of depression in later life, according to Rao et al. (1996).
referenceJohnson JG et al. found an association between television viewing and sleep problems during adolescence and early adulthood in a 2004 study published in the Archives of Pediatrics and Adolescent Medicine.
Short- and long-term health consequences of sleep disruption dovepress.com May 19, 2017 1 fact
referenceThe study 'Epidemiology of DSM-IV insomnia in adolescence: lifetime prevalence, chronicity, and an emergent gender difference' by Johnson, Roth, Schultz, and Breslau was published in Pediatrics in 2006.
Anatomical bone differences between the male and female faces rsdjournal.org Nov 14, 2025 1 fact
referenceFan, Penington, and Kilpatrick (2019) quantified mandibular sexual dimorphism during adolescence.
Evolutionary psychology - Wikipedia en.wikipedia.org 1 fact
claimShared environmental influences on personality often decrease to near zero after adolescence, though they do not completely disappear.
Effects of psychedelics on neurogenesis and broader neuroplasticity link.springer.com Dec 19, 2024 1 fact
claimChronic exposure to delta-9-tetrahydrocannabinol (THC) during adolescence causes sex-dependent changes in the emotional profile of adult rats, as observed by Rubino et al. in Neuropsychopharmacology (2008).