PSY 111 1st Edition Adolescence Lecture 26 Blakemore adolescence brain video The prefrontal cortex is the brain area that changes the most during adolescence decision making planning and inhibiting inappropriate behaviors this part is very hyperactive in development MRI show that the grey matter volume peaks during adolescence but there is also a reduction in activity in the prefrontal cortex Adolescence use the limbic system the most Grey matter in brain develops later in boys than girls during adolescence Grey matter contains cell bodies Use fMRI to look at changes in brain activity across age Medial prefrontal cortex is the active part in decision making for adolescence Adolescence have a hard time taking on other people s perspective Nature of Development Transition between childhood and adulthood that prepares children for the pressures of adulthood o o o o Starts around 10 13 and ends in the late teens Two periods in adolescence development Early adolescence marked mostly by physical changes Late adolescence marked by changes in goals and activities Puberty transition from childhood to adolescence is known as puberty o Surge of hormones causes changes o Puberty has physical and psychological implications Physical earlier or later timing of puberty is associated with reproductive and metabolic disorders Psychological earlier timing of puberty is associated with mood eating and behavioral disorders Gender differences o Girls and boys differ how they perceive their gender o Boys more satisfired with being boys whiles girls less satisfied with their biology body and their genfer 25 US high school seniors have 3 or 4 sexual partners academic achievement is inversely related to sexual activity Asian American adolescents report lower involvement with sexual activity Identity Identitty versus Role confusion Adolescents must decide who they are where they are going in life A larger part of the process is examining how they fit into their culture What is the role that they will play in the indentites that their cultures offers Erikson s Ideas on Identity Two core indgredients in identity development are Personality adolescents try out several possibilities Role experimentationAdolescents have several roles tat they can tryout Adolescents explore many roles before settling into roles that provide a balance between and culture
View Full Document
Unlocking...