T4D1 Flashcards
Define Adolescence
A time of evaluation, decision making and finding a place in the world
For adolescents to reach their full potential they need what
opportunities and long-term support from adults who care about them
7 factors of puberty in males in order
Penis and testicle growth Pubic hair Voice change First ejaculation Growth in height & weight Armpit hair Facial hair
6 factors of puberty in females in order
Growth in height and widening of the hips Breast growth Pubic hair Armpit hair Menarche (9-15) ovulation
Definition and timeframe for menarche
Girl’s first menstruation (9-15). Ovulation 1-2 years later
Definition and timeframe for spermarche
Boy’s first ejaculation with live sperm (15). Ejaculation without sperm around 13-14
Secular trend in puberty
The declining age of menarche
5 Influences on timing of menarche
Stress
Nutrition
Genetics
Body weight
How does body weight influence timing of menarche
Fat produces the hormone Leptin which triggers menarche
How does genetics influence timing of menarche
Timing of mother can predict timing for daughters
How does stress influence timing of menarche
Early menarche under extreme stressful circumstances (leaving a ‘hostile nest’)
How does nutrition influence timing of menarche
Certain chemicals in foods have been linked to problems in sexual differentiation and timing of menarche
What does Developmental cognitive neuroscience study related to the brain and adolescence
Study of connections between development, brain and cognitive processes
What does Developmental social neuroscience study related to the brain and adolescence
Study of connections between development, brain and socioemotional processes
Limbic System influence on brain and adolescence
Emotions and experience of rewards. Matured at beginning of adolescence