ch. 11 Flashcards
Asynchronous growth
different parts of the body grow at different rates
secular trend
menarche
(first mensuration) occurs between ages 11- 14; body fat triggers the changes
changes in boys (puberty)
pituitary gland stimulates the testes to increase the output of testosterone, leads to male development. Age 11
changes in girls
the pituitary gland signals the ovaries to vastly increase estrogen production at puberty, estrogen leads to breast tissue
Early-maturing boys
are popular, more, likely to be leaders in school. boys have a higher self-esteem
early maturing girls
feel awkward because they are among the first of their peers to see pubertal changes
what are the death rate different between genders
twice as high for males than females
girls or boy have more eating disorders
girls, because of body image
Anorexia Nervosa
life-threatening eating disorder characterized by extreme fear of being too heavy, dramatic weight loss
the rate per gender for anorexia nervosa
female -to-male 10 to 1
Bulimia Nervosa
-cyclical binge eating and purging after dieting
-vomitting, strict dieting or fasting, overuse of laxatives
what does bulimia nervosa lead too?
Leads to irregular menstrual cycles, and tends to afflict women during adolescence
Piaget’s Stage of Formal Operations
includes the ability to reason abstractly, classify objects and ideas, engage in logical thought and hypothesize