Sökning: "Early Adolescence"

Visar resultat 6 - 10 av 200 avhandlingar innehållade orden Early Adolescence.

  1. 6. Teenage Kicks – The Differential Development of Drug Use, Drunkenness, and Criminal Behaviour in Early to Mid-Adolescence

    Författare :Russell Turner; Göteborgs universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Drug use; Drunkenness; Alcohol intoxication; Criminal behaviour; Delinquency; Adolescence; Adolescent development; Risk behaviour; Risk factor; Prevention; Critical realism; realist method; Person-oriented method;

    Sammanfattning : This thesis studies the development of drug use, drunkenness, and criminal behaviour in early to mid-adolescence. Its main aims are to improve knowledge about how and why these three behaviours develop and to contribute towards the development of theory that can have applications in prevention policy and practice. The thesis comprises four studies. LÄS MER

  3. 7. At first blush : the impact of shyness on early adolescents' social worlds

    Författare :Nejra Besic; Margaret Kerr; Håkan Stattin; Ray Crozier; Örebro universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; shyness; adolescence; social relationships; friends; peers; parents; social identity; socialization; problem behaviors; Psychology; Psykologi; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; Social sciences; Socialvetenskap; Psykologi; Psychology;

    Sammanfattning : Shyness as a behavioral characteristic has been in focus of research in psychology for a number of decades. Adolescent shyness has, however, been relatively overlooked compared with studies conducted on children and adults. LÄS MER

  4. 8. Early Environment, Adolescent Alcohol Drinking and Neurobiological Responses to Drugs

    Författare :Sara Palm; Ingrid Nylander; Anne-Lie Svensson; Lundblad Martin; Giancarlo Colombo; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; adolescence; beta-endorphin; dopamine; dynorphin; endogenous opioids; enkephalin; high-speed chronoamperometry; housing conditions; maternal separation; multivariate concentric square field™ test; open field test; radioimmunoassay; voluntary alcohol intake; Wistar rats; Pharmaceutical Science; Farmaceutisk vetenskap;

    Sammanfattning : Genes and environment interact to determine an individual’s vulnerability or resilience to several psychiatric disorders, including alcohol use disorder (AUD). Alcohol use is often initiated during adolescence and early onset drinking is associated with increased risk for later AUD. LÄS MER

  5. 9. Stress, Drugs and Neuroscience : Neurobiological Effects of Social Stressors and Drug Exposure in Young and Adolescent Rats

    Författare :Linnea Granholm; Ingrid Nylander; Erika Roman; Anne-Lie Svensson; Maria Ellgren; Annika Thorsell; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Adolescence; alcohol exposure; amphetamine; beta-endorphin; dopamine; dynorphin; early life; endogenous opioids; enkephalin; gene expression; high-speed chronoamperometry; nociceptin orphanin FQ; radioimmunoassay; self-administration; social stress; voluntary alcohol intake; Farmaceutisk vetenskap; Pharmaceutical Science;

    Sammanfattning : Experiences early in life or during adolescence modulate neuronal networks in the immature brain and consequently lay the foundation for future susceptibility or resilience towards psychiatric disorders. The objective in this thesis is to understand, in part, how the surrounding environment shapes the brain of a young individual. LÄS MER

  7. 10. Children’s Peer Status and Their Adjustment in Adolescence and Adulthood : Developmental issues in sociometric research

    Författare :Peter Zettergren; Lars R. Bergman; Thomas W. Farmer; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; sociometric peer status; classification; stability; cluster analysis; longitudinal; long-term adjustment; childhood; adolescence; adulthood; Psychology; Psykologi; psykologi; Psychology;

    Sammanfattning : The present research intended to examine the relationship between childhood stable peer status and adjustment in midadolescence for both genders, and adjustment in early and middle adulthood for women. One-year stably peer rejected, popular, and average boys and girls were identified by an age 10 and age 11 sociometric classification procedure using positive nominations and rank-ordering. LÄS MER