Chapter 11 Adolescence Flashcards
The developmental stage that lies between childhood and adulthood
adolescence
the period during which the sexual organs mature, begins when the pituitary gland in the brain signals other glands in children’s bodies to begin producing the sex hormones, androgens (male hormones) or estrogens (female hormones), at adult levels.
puberty
The _______ ______ also signals the body to increase production of growth hormones that interact with the sex hormones to cause the growth spurt and puberty. In addition, the hormone leptin appears to play a role in the start of puberty.
*The Big Show*
pituitary gland
a hormone released from the fat cells located in adipose tissues, sends signals to the hypothalamus in the brain.
*help the body maintain its weight*
leptin
the onset of menstruation and probably the most obvious signal of puberty in girls.
menarche
_______ _______ occur when a physical characteristic changes over the course of several generations, such as earlier onset of menstruation or increased height that has occurred as a result of better nutrition over the centuries.
secular trends
________ ___ _________ are the visible signs of sexual maturity that do not involve the sex organs directly.
*pubic hair and breast*
secondary sex characteristics
In girls, the development of ________ ___ ________ involves changes in the vagina and uterus.
primary sex characteristics
A boy’s first ejaculation, known as _________ , usually occurs around the age of 13, more than a year after the body has begun producing sperm.
spermarche
The _________ _________ stage is the stage at which people develop the ability to think abstractly.
formal operational
__________ _________ is reasoning that uses abstract logic in the absence of concrete examples.
Propositional thought
________ _________ a severe eating disorder in which individuals refuse to eat, while denying that their behavior and appearance, which may become skeletal, are out of the ordinary.
anorexia nervosa
________ an eating disorder characterized by binges on large quantities of food, followed by purges of the food through vomiting or the use of laxatives.
bulimia
One specific area of the brain that undergoes considerable development throughout adolescence is the prefrontal cortex, which is not fully developed until around the _____ _______ .
early twenties
The ________ _______ is the part of the brain that allows people to think, evaluate, and make complex judgments in a uniquely human way. It underlies the increasingly complex intellectual achievements that are possible during adolescence.
prefrontal cortex