scholarly journals The Developing Brain in the Digital Era: A Scoping Review of Structural and Functional Correlates of Screen Time in Adolescence

2021 ◽  
Vol 12 ◽  
Author(s):  
Laura Marciano ◽  
Anne-Linda Camerini ◽  
Rosalba Morese
Keyword(s):  
Brain Development ◽  
Scoping Review ◽  
Screen Time ◽  
Well Being ◽  
Addictive Behaviors ◽  
Short Term ◽  
Digital Era ◽  
The Brain ◽  
Adolescent Brain Development ◽  
And Task

The widespread diffusion of screen-based devices in adolescence has fueled a debate about the beneficial and detrimental effects on adolescents’ well-being and development. With the aim of summarizing the existing literature on the associations between screen time (including Internet-related addictions) and adolescent brain development, the present scoping review summarized evidence from 16 task-unrelated and task-related neuroimaging studies, published between 2010 and 2020. Results highlight three important key messages: (i) a frequent and longer duration of screen-based media consumption (including Internet-related addictive behaviors) is related to a less efficient cognitive control system in adolescence, including areas of the Default Mode Network and the Central Executive Network; (ii) online activities act as strong rewards to the brain and repeated screen time augments the tendency to seek short-term gratifications; and (iii) neuroscientific research on the correlates between screen time and adolescent brain development is still at the beginning and in urgent need for further evidence, especially on the underlying causality mechanisms. Methodological, theoretical, and conceptual implications are discussed.

scholarly journals Prolonged Screen Exposure During COVID-19—The Brain Development and Well-Being Concerns of Our Younger Generation

2021 ◽  
Vol 9 ◽  
Author(s):  
Agnes S. K. Wong
Keyword(s):  
Public Health ◽  
Online Learning ◽  
Brain Development ◽  
Screen Time ◽  
Well Being ◽  
Policy Makers ◽  
Developmental Risks ◽  
The Brain ◽  
Screen Use

COVID-19 is a significant public health crisis and it has given a major impact especially in the field of education. The situation has forced educators around the world to shift to an online mode of teaching and children are forced to study online at home. The benefits of online learning are undeniable, but the possible long-term developmental risks of prolonged screen use should not be overlooked. Recent research findings have clearly suggested the negative effects of screen time on the brain development and well-being of our younger generation. Considering the possible long-term developmental risks of prolonged screen use, policy makers should consider appropriate public health policy (e.g., recommendations on screen time) and guideline for the implementations of online learning (e.g., allowing flexibility to suit individual needs). Multidisciplinary collaboration between policy makers, health care professionals, schools, and parents is required to rethink the current situation before it is too late.

The Impact of Covid-19 on the Play of 3- to 10-year-old Children

2021 ◽  
Author(s):  
Cara DiYanni
Keyword(s):  
Screen Time ◽  
Well Being ◽  
Free Play ◽  
Outdoor Play ◽  
Short Term ◽  
The Impact ◽  
Health And Well Being

This study explored the impact of COVID-19 on the play of 3- to 10-year-old children. A survey of 67 parents of 79 children and interviews with 37 of those children revealed a few prominent trends in how the pandemic has affected play. First, children’s outdoor play increased in frequency from before the pandemic to the time spent in quarantine, and levels of outdoor play remained significantly higher in the fall months following quarantine. Similarly, the amount of unstructured, free play that children engaged in increased during quarantine, and remained significantly more common after quarantine than it was before the pandemic. Finally, screen time levels skyrocketed during quarantine, and remained higher in the fall months than they were pre-pandemic. These findings have implications for both parents and teachers in terms of assessing the impact of COVID-19 – both short-term and long-term – on the health and well-being of their children.

The Impact of COVID-19 on the Play of 3- to 10-year-old Children

2021 ◽  
Author(s):  
Cara DiYanni
Keyword(s):  
Screen Time ◽  
Well Being ◽  
Free Play ◽  
Outdoor Play ◽  
Short Term ◽  
The Impact ◽  
Health And Well Being

This study explored the impact of COVID-19 on the play of 3- to 10-year-old children. A survey of 67 parents of 79 children and interviews with 37 of those children revealed a few prominent trends in how the pandemic has affected play. First, children’s outdoor play increased in frequency from before the pandemic to the time spent in quarantine, and levels of outdoor play remained significantly higher in the fall months following quarantine. Similarly, the amount of unstructured, free play that children engaged in increased during quarantine, and remained significantly more common after quarantine than it was before the pandemic. Finally, screen time levels skyrocketed during quarantine, and remained higher in the fall months than they were pre-pandemic. These findings have implications for both parents and teachers in terms of assessing the impact of COVID-19 – both short-term and long-term – on the health and well-being of their children.

Music Changes the Brain

2018 ◽  
pp. 98-111
Author(s):  
Paul Lennard
Keyword(s):  
Brain Development ◽  
Language Processing ◽  
Cerebral Hemisphere ◽  
Critical Periods ◽  
Short Term ◽  
Music Training ◽  
Short Term Plasticity ◽  
Process Music ◽  
The Brain

This chapter examines ways in which listening to or making music changes our brains morphologically and functionally. Evidence for short-term plasticity in response to music is reviewed. Critical periods early in life, when exposure to music and music training can alter brain development, are summarized. Evidence that the brains of musicians and nonmusicians differ is presented. It is shown that nonmusicians process music primarily in the nondominant cerebral hemisphere, while musicians have structural and functional shifts of lateralization to the dominant cerebral hemisphere. This shift is discussed in terms of a theory that nonmusicians process music holistically in the nondominant cerebral hemisphere, while trained musicians tend to apply syntax to music, using language-processing circuitry in the dominant cerebral hemisphere.

scholarly journals Severity of Early Life Stress Moderates the Effect of Fine Particle Air Pollution on Adolescent Brain Development

2019 ◽  
Author(s):  
Jonas G. Miller ◽  
Emily L. Dennis ◽  
Booil Jo ◽  
Ian H. Gotlib
Keyword(s):  
Air Pollution ◽  
Brain Development ◽  
Life Stress ◽  
Early Life ◽  
Fine Particle ◽  
Early Life Stress ◽  
Environmental Threat ◽  
Particulate Matter 2.5 ◽  
The Brain ◽  
Adolescent Brain Development

AbstractAir pollution is currently the greatest environmental threat to public health, but we know little about its effects on adolescent brain development. In this context, exposure to air pollution co-occurs, and could interact, with social factors that also affect brain development, such as early life stress (ELS). Here, we show that severity of ELS moderates the association between fine particle air pollution (particulate matter 2.5; PM2.5) and structural brain development. We interviewed adolescents about ELS, used census-tract data to characterize PM2.5 concentrations, and conducted longitudinal tensor-based morphometry to assess regional changes in brain volume over a two-year period. Across various cortical, thalamic, and white matter tract regions, there was a remarkably consistent effect of PM2.5 on volumetric change for adolescents who had experienced less, rather than more, severe ELS. Furthermore, exposure to higher levels of PM2.5 and experiencing moderate to severe ELS were associated with comparable volumetric changes in the brain in adolescence.

scholarly journals From screen time to the digital level of analysis: a scoping review of measures for digital media use in children and adolescents

BMJ Open ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. e046367
Author(s):  
Dillon Thomas Browne ◽  
Shealyn S May ◽  
Laura Colucci ◽  
Pamela Hurst-Della Pietra ◽  
Dimitri Christakis ◽  
...  
Keyword(s):  
Digital Media ◽  
Scoping Review ◽  
Screen Time ◽  
Media Use ◽  
Grey Literature ◽  
Well Being ◽  
Assessment Method ◽  
Measurement Tool ◽  
Original Research ◽  
Measurement Tools

ObjectivesThis scoping review aims to facilitate psychometric developments in the field of digital media usage and well-being in young people by (1) identifying core concepts in the area of “screen time” and digital media use in children, adolescents, and young adults, (2) synthesising existing research paradigms and measurement tools that quantify these dimensions, and (3) highlighting important areas of need to guide future measure development.DesignA scoping review of 140 sources (126 database, 14 grey literature) published between 2014 and 2019 yielded 162 measurement tools across a range of domains, users, and cultures. Database sources from Ovid MEDLINE, PsycINFO and Scopus were extracted, in addition to grey literature obtained from knowledge experts and organisations relevant to digital media use in children. To be included, the source had to: (1) be an empirical investigation or present original research, (2) investigate a sample/target population that included children or young persons between the ages of 0 and 25 years of age, and (3) include at least one assessment method for measuring digital media use. Reviews, editorials, letters, comments and animal model studies were all excluded.MeasuresBasic information, level of risk of bias, study setting, paradigm, data type, digital media type, device, usage characteristics, applications or websites, sample characteristics, recruitment methods, measurement tool information, reliability and validity.ResultsSignificant variability in nomenclature surrounding problematic use and criteria for identifying clinical impairment was discovered. Moreover, there was a paucity of measures in key domains, including tools for young children, whole families, disadvantaged groups, and for certain patterns and types of usage.ConclusionThis knowledge synthesis exercise highlights the need for the widespread development and implementation of comprehensive, multi-method, multilevel, and multi-informant measurement suites.

scholarly journals The Impact of E-Cigarette Warnings, Warning Themes and Inclusion of Relative Harm Statements on Young Adults’ E-Cigarette Perceptions and Use Intentions

2019 ◽  
Vol 16 (2) ◽  
pp. 184 ◽  
Author(s):  
Olivia Wackowski ◽  
Jennah Sontag ◽  
David Hammond ◽  
Richard O’Connor ◽  
Pamela Ohman-Strickland ◽  
...  
Keyword(s):  
United States ◽  
Young Adults ◽  
Brain Development ◽  
The United States ◽  
Nicotine Addiction ◽  
Warning Label ◽  
Online Experiment ◽  
The Impact ◽  
The Brain ◽  
Adolescent Brain Development

Although e-cigarettes in the United States are required to carry one nicotine addiction warning, little is known about the impact of other potential e-cigarette warning themes, nor about pairing warnings with messages that communicate e-cigarettes’ reduced-harm potential relative to cigarettes. We randomly assigned 876 young adults (ages 18–29) to view e-cigarette ads in a 3 × 2 plus control online experiment that varied by warning theme (i.e., nicotine addiction; nicotine’s impact on adolescent brain development; presence of harmful chemicals) and warning type—i.e., the presence (“relative harm warning”) or absence (“standard warning”) of a relative harm (RH) statement in the warning label (“e-cigarettes may cause harm to health but are less harmful than cigarettes”). Warning believability, informativeness, understandability and support were high across conditions and there were no significant differences by warning theme on e-cigarette harm perceptions or use intentions nor on nicotine (mis)perceptions. Perceived warning effectiveness for discouraging youth initiation was higher for the “brain” and “chemicals” warnings compared to the addiction warning. Warnings with the included RH statement were perceived as less believable and credible and were less frequently correctly recalled. Research should continue to investigate the impact of different e-cigarette warning themes and formats with priority audiences.

Polychlorinated biphenyl induced hepatocyte alterations

1987 ◽  
Vol 45 ◽  
pp. 716-717
Author(s):  
D.N. Collins ◽  
J.N. Turner ◽  
K.O. Brosch ◽  
R.F. Seegal
Keyword(s):  
Lipid Droplets ◽  
Wistar Rats ◽  
Homovanillic Acid ◽  
Polychlorinated Biphenyl ◽  
Corn Oil ◽  
Environmental Pollutants ◽  
Short Term ◽  
Pcb Congeners ◽  
Urinary Levels ◽  
The Brain

Polychlorinated biphenyls (PCBs) are a ubiquitous class of environmental pollutants with toxic and hepatocellular effects, including accumulation of fat, proliferated smooth endoplasmic recticulum (SER), and concentric membrane arrays (CMAs) (1-3). The CMAs appear to be a membrane storage and degeneration organelle composed of a large number of concentric membrane layers usually surrounding one or more lipid droplets often with internalized membrane fragments (3). The present study documents liver alteration after a short term single dose exposure to PCBs with high chlorine content, and correlates them with reported animal weights and central nervous system (CNS) measures. In the brain PCB congeners were concentrated in particular regions (4) while catecholamine concentrations were decreased (4-6). Urinary levels of homovanillic acid a dopamine metabolite were evaluated (7).Wistar rats were gavaged with corn oil (6 controls), or with a 1:1 mixture of Aroclor 1254 and 1260 in corn oil at 500 or 1000 mg total PCB/kg (6 at each level).

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