CFD 1220 Lecture Notes - Lecture 28: Sleep Deprivation, Grey Matter, White Matter
11 Nov 2016
School
Department
Course
Professor
Document Summary
Biological perspective: puberty: period of storm and stress, freud"s genital stage: reawakening of sexual impulses. Social perspective: role of social and cultural influences, wide variability in adolescent adjustment. Balanced point of view: biological, psychological, and social influences, cultural variation in length and demands of adolescence. Full adult appearance, assumption of adult roles. Release of growth hormone (gh) and thyroxine. Estrogens: contribute to girls" height spurt, development of female sex characteristics, regulation of menstrual cycle, combine with androgens to stimulate gains in bone density. Testosterone: is released by boys" maturing testes, leads to muscle growth, body and facial hair, other male sex characteristics; also contribute to gains in body size. Improvement in gross-motor development with puberty: girls: slow, gradual gains, boys: dramatic spurt in strength, speed, endurance. Boys" use of performance-enhancing drugs: creatine, anabolic steroids, androstenedione. Decline in physical education and daily free time physical activity with age. Primary sexual characteristics: maturation of reproductive organs, girls: menarche, boys: spermarche.
